In birds, tendon ossification primarily occurs in the hindlimb, while in ornithischian dinosaurs, ossified axial muscle tendons form a latticework along the neural and haemal spines on the tail, presumably for support. Muscle Tension Definition. By contrast, tendinitis is an acute (sudden, short-term) condition in which inflammation is caused by a direct injury to a tendon. [34], Several mechanotransduction mechanisms have been proposed as reasons for the response of tenocytes to mechanical force that enable them to alter their gene expression, protein synthesis, and cell phenotype, and eventually cause changes in tendon structure. tendon synonyms, tendon pronunciation, tendon translation, English dictionary definition of tendon. The space between the fascia and the tendon tissue is filled with the paratenon, a fatty areolar tissue. [38] VEGF is well known to promote angiogenesis and to induce endothelial cell proliferation and migration, and VEGF mRNA has been shown to be expressed at the site of tendon injuries along with collagen I mRNA. Golfer's elbow 3. tendon synonyms, tendon pronunciation, tendon translation, English dictionary definition of tendon. Tendinosis is a chronic(persistent or recurring) condition caused by repetitive trauma or an injury that hasn't healed. Learn more. A molecular perspective", "Tendon injury and tendinopathy: Healing and repair", "Quantitative variation in vascular endothelial growth factor mRNA expression during early flexor tendon healing: an investigation in a canine model", "Biomechanics of ossified tendons in ornithopod dinosaurs", https://en.wikipedia.org/w/index.php?title=Tendon&oldid=999488988, Creative Commons Attribution-ShareAlike License, small amounts of collagens V, VI, and others. phies The surgical uniting of divided tendons with sutures. These pathologies can cause degeneration or, 2006), the muscle was shown to have an accessory, A transosseous repair of the short head of the biceps, Tenya is regarded as the most successful Japanese tempura, Tendon-bone interface with SVF-FG treatment formed a four-layer structure similar to the direct dead point, which successively includes the, Studies established the need to apply viscoelastic agents that do not affect the healing process negatively and at the same time can also protect the gliding function of the, Methods: Twenty four fresh frozen cadaver Achilles, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Outcomes Improved After ACL Repair With Three Tendon Graft Types; No difference found among patellar, hamstring, 'double-bundle' hamstring grafts, Bilateral Tripartite Insertion of the Fibularis (Peroneus) Brevis Muscle: a Case Report/Insercion Tripartita Bilateral del Musculo Fibular Corto: Reporte de Caso, EFFECT OF AUTOLOGOUS PLATELET-RICH PLASMA ON ARRANGEMENT OF COLLAGEN FIBERS AT INJURED ACHILLES TENDON ENTHESES IN RABBITS, Case Report of a Bifid Distal Biceps Tendon with Traumatic Rupture and Subsequent Repair of Short Head Tendon Limb, Tenya goes east, opens 9th local branch at Tiendesitas, Effects of Local Application of Adipose-Derived Stromal Vascular Fraction on Tendon-Bone Healing after Rotator Cuff Tear in Rabbits, Patellar Tendon Stiffness in Elite Breakdancers Assessed by Myotonometric Measurement, Hyaluronic acid and synovial fluid in preventing adhesion formation after tenorrhaphy: An in vivo study on rabbit Achilles tendon/ Acido hialuronico e liquido sinovial na prevencao da formacao de aderencias apos tenorrafia: Um estudo in vivo sobre o tendao de Aquiles de coelho, The biomechanical study of rupture of Achilles Tendon and repair by different suture techniques, Relationship between Achilles Tendon Stiffness and Ground Contact Time during Drop Jumps, tendinous intersections of rectus abdominis, tendinous sheath of abductor pollicis longus, tendinous sheath of extensor carpi radialis muscles, tendinous sheath of extensor carpi ulnaris muscle, tendinous sheath of extensor digiti minimi muscle, tendinous sheath of extensor digitorum and extensor indicis muscles, tendinous sheath of extensor digitorum longus muscle of foot, tendinous sheath of extensor hallucis longus muscle, tendinous sheath of extensor pollicis longus muscle, tendinous sheath of flexor carpi radialis muscle, tendinous sheath of flexor digitorum longus muscle (of foot), tendinous sheath of flexor hallucis longus muscle, tendinous sheath of flexor pollicis longus muscle, tendinous sheath of superior oblique muscle, tendinous sheath of tibialis anterior muscle, tendinous sheath of tibialis posterior muscle. It can occur in an elbow, wrist, finger, thigh, or elsewhere. (2010). Frequently injured tendons. 15-40% non-collagenous extracellular matrix components, including: This page was last edited on 10 January 2021, at 12:49. Tendons are very organized. There are five growth factors that have been shown to be significantly upregulated and active during tendon healing: insulin-like growth factor 1 (IGF-I), platelet-derived growth factor (PDGF), vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF), and transforming growth factor beta (TGF-β). Some … The whole tendon is enclosed by a fascia. [35] The final maturation stage occurs after ten weeks, and during this time there is an increase in crosslinking of the collagen fibrils, which causes the tissue to become stiffer. [4] Normal healthy tendons are anchored to bone by Sharpey's fibres. Read medical definition of Muscle. During the last portion of the stride, as the foot plantar-flexes (pointing the toes down), the stored elastic energy is released. [36] The three isoforms of TGF-β (TGF-β1, TGF-β2, TGF-β3) are known to play a role in wound healing and scar formation. Tendinosis refers to non-inflammatory injury to the tendon at the cellular level. Tendons are similar to ligaments; both are made of collagen. Successful bodybuilders will generally have shorter tendons. 2 Read about Achilles Tendonitis and Tendon Injuries Achilles tendonitis causes pain and stiffness at the back of the leg, near the heel. A muscle uses ATP to contract and shorten, producing a force on the objects it is connected to. A tough cord of dense white fibrous connective tissue that connects a muscle with some other part, especially a bone, and transmits the force which the muscle exerts. A band of tough, inelastic fibrous tissue that connects a muscle with its bony attachment. In particular, a study showed that disuse of the Achilles tendon in rats resulted in a decrease in the average thickness of the collagen fiber bundles comprising the tendon. Tendinitis most commonly occurs as a result of injury, such as to the tendons around the shoulder or elbow. The structure of tendon is effectively a fibre composite material, built as a series of hierarchical levels. The elastic properties of particular sinews were also used in composite recurved bows favoured by the steppe nomads of Eurasia, and Native Americans. A strain is a painful injury. A typical energy storing tendon will fail at around 12-15% strain, and a stress in the region of 100-150 MPa, although some tendons are notably more extensible than this, for example the superficial digital flexor in the horse, which stretches in excess of 20% when galloping. The first category of tendinopathy is paratenonitis, which refers to inflammation of the paratenon, or paratendinous sheet located between the tendon and its sheath. For example, the bicep muscle’s origin is located at the shoulder. Medical Definition of Achilles tendon Medical Author: William C. Shiel Jr., MD, FACP, FACR Achilles tendon: One of the longest tendons in the body, a tough sinew that attaches the calf muscle to the back of the heel bone (calcaneus). Conversely, in sports requiring athletes to excel in actions such as running or jumping, it is beneficial to have longer than average Achilles tendon and a shorter calf muscle. It was believed that tendons could not undergo matrix turnover and that tenocytes were not capable of repair. Tendinitis is the inflammation of a tendon caused by repetitive overuse or injury. When decorin molecules are bound to a collagen fibril, their dermatan sulfate chains may extend and associate with other dermatan sulfate chains on decorin that is bound to separate fibrils, therefore creating interfibrillar bridges and eventually causing parallel alignment of the fibrils. Synonym (s): Achilles tendon, heel tendon. Tendon reflex (or T-reflex) may refer to: . When the facet joints of the spine become injured or inflamed, the muscles supporting the spine can spasm causing low back pain and limitation in motion.. Albeit a misnomer, in this sense a common example is the standard patellar reflex or knee-jerk response. Tendinopathy is a painful condition involving the breakdown of cartilage in your tendons. Medical definition of tendon sheath: a synovial sheath covering a tendon (as in the hand or foot). When the muscle contracts it pulls on the tendon, which moves the bone. This process may be involved in allowing the fibril to elongate and decrease in diameter under tension. All muscles have origin and insertion points, where tendons attach the muscles to bones. [26] However, recent data suggests that energy storing tendons may also contain fascicles which are twisted, or helical, in nature - an arrangement that would be highly beneficial for providing the spring-like behaviour required in these tendons. Pitcher's shoulder 4. In rabbits, collagen fascicles that are immobilized have shown decreased tensile strength, and immobilization also results in lower amounts of water, proteoglycans, and collagen crosslinks in the tendons. Muscle relaxants inhibit painful contractions by sedating the … A nondistensible fibrous cord or band of variable length that connects the fleshy (contractile) part of muscle with its bony attachment or other structure; it may unite with the fleshy part of the muscle at its extremity or may run along the side or in the center of the fleshy part for a longer or shorter distance, receiving the muscular fibers along its border; when the length of a muscle is determined, the tendon length is included; it consists of fascicles of very densely arranged, almost parallel collagenous fibers, rows of elongated fibrocytes, and a minimum of ground substance. A collagen molecule is about 300 nm long and 1–2 nm wide, and the diameter of the fibrils that are formed can range from 50–500 nm. The energy storing tendons tend to be more elastic, or less stiff, so they can more easily store energy, whilst the stiffer positional tendons tend to be a little more viscoelastic, and less elastic, so they can provide finer control of movement. Tenocytes then move into the site and start to synthesize collagen III. It can also occur as a result of an underlying inflammatory rheumatic disease, such as reactive arthritis or gout. [11] The proteoglycans are interwoven with the collagen fibrils – their glycosaminoglycan (GAG) side chains have multiple interactions with the surface of the fibrils – showing that the proteoglycans are important structurally in the interconnection of the fibrils. A major factor is mechanical deformation of the extracellular matrix, which can affect the actin cytoskeleton and therefore affect cell shape, motility, and function. However, over the past two decades, much research focused on the elastic properties of some tendons and their ability to function as springs. Dermatan sulfate is thought to be responsible for forming associations between fibrils, while chondroitin sulfate is thought to be more involved with occupying volume between the fibrils to keep them separated and help withstand deformation. For example, the abductor muscles of the legs spread the legs away from the midline and away from one another. A muscle that when contracted acts to bend a joint or limb in the body. Medical definition of Golgi tendon organ: a spindle-shaped sensory end organ within a tendon that provides information about muscle tension —called also neurotendinous spindle. Stretch reflex tests are used to determine the integrity of the spinal cord and peripheral nervous … Ligaments connect one bone to another, while tendons connect muscle to bone. An electron microscopical and biochemical investigation", "Elasticity in extracellular matrix 'shape modules' of tendon, cartilage, etc. Medical Definition of Patellar tendon Medical Author: William C. Shiel Jr., MD, FACP, FACR Patellar tendon: A tendon that extends down from the quadriceps muscle in the thigh to incorporate the patella (the kneecap) and attach it to the tibia (the shinbone), providing extension at the knee joint . A strain is when a muscle is stretched too much and tears. It is also recommended in survival guides as a material from which strong cordage can be made for items like traps or living structures. Gupta H.S., Seto J., Krauss S., Boesecke P.& Screen H.R.C. Define tendon. Furthermore, because the tendon stretches, the muscle is able to function with less or even no change in length, allowing the muscle to generate more force. Changes in the actin cytoskeleton can activate integrins, which mediate “outside-in” and “inside-out” signaling between the cell and the matrix. Muscle Definition. Medial epicondylopathy or ‘golfer’s elbow’ is mostly a tendinous overload injury leading to tendinopathy.Flexor-pronator tendon degeneration occurs with repetitive forced wrist extension and forearm supination during activities involving wrist flexion and forearm pronation.Thereby tendon degeneration appears instead of repair. Tendon length varies in all major groups and from person to person. There are three types of muscle in the body. Thorpe C.T., Birch H.L., Clegg P.D., Screen H.R.C. [13] The dermatan sulfate side chains of decorin aggregate in solution, and this behavior can assist with the assembly of the collagen fibrils. [29] Positional tendons can fail at strains as low as 6-8%, but can have moduli in the region of 700-1000 MPa.[30]. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Achilles tendonitis: Inflammation in the tendon of the calf muscle, where it attaches to the heel bone. A variety of other molecules are involved in tendon repair and regeneration. Muscle tension is typically caused by the physiological effects of stress and can lead to episodes of back pain. The information is produced and reviewed by over 200 medical professionals with the goal of providing trusted, uniquely informative information for people with painful health conditions. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Abductor muscle: Any muscle used to pull a body part away from the midline of the body. The ground substance allows a tendon to stretch and then return to its original shape. tendon of Todaro: A fibrous structure formed by the junction of the eustachian valve and the thebesian valve (valves of the inferior caval vein and coronary sinus, respectively). It is considered smooth because it does not have the microscopic lines (the striations) seen in the other two types of muscle. Ligament definition is - a tough fibrous band of tissue connecting the articular extremities of bones or supporting an organ in place. Muscle spasm is an involuntary contraction of a muscle that can cause a great deal of pain. muscle synonyms, muscle pronunciation, muscle translation, English dictionary definition of muscle. The tendons in the foot are highly complex and intricate. There is a three-dimensional network of cell processes associated with collagen in the tendon. Therefore, the healing process for a broken tendon is long and painful. [34] Tendinopathies can be caused by a number of factors relating to the tendon extracellular matrix (ECM), and their classification has been difficult because their symptoms and histopathology often are similar. Traditionally, tendons have been considered to be a mechanism by which muscles connect to bone as well as muscles itself, functioning to transmit forces. These types of injuries generally result in inflammation and degeneration or weakening of the tendons, which may eventually lead to tendon rupture. tendon meaning: 1. a strong piece of tissue in the body connecting a muscle to a bone 2. a strong piece of tissue…. In this stage, the tenocytes are involved in the synthesis of large amounts of collagen and proteoglycans at the site of injury, and the levels of GAG and water are high. While the collagen fibrils allow tendons to resist tensile stress, the proteoglycans allow them to resist compressive stress. The extrinsic factors are often related to sports and include excessive forces or loading, poor training techniques, and environmental conditions.[33]. Tendinitis is inflammation or irritation of a tendon — the thick fibrous cords that attach muscle to bone. Most people who do not receive medical attention within the first 48 hours of the injury will suffer from severe swelling, pain, and a burning sensation where the injury occurred. In some organisms, notable ones being birds[41] and ornithischian dinosaurs,[42] portions of the tendon can become ossified. Definition: A strap of white fibrous connective tissue that joins muscle to bone. A tendon is a tough cord of fibrous tissue that connects muscles to bones. Tenocytes synthesize the extracellular matrix of tendons, abundant in densely packed collagen fibers. Description Tendinitis usually occurs in individuals in middle or old age because it is often the result of overuse over a long period of time. within their normal range of motion. [19] In tendons, the collagen fibres have some flexibility due to the absence of hydroxyproline and proline residues at specific locations in the amino acid sequence, which allows the formation of other conformations such as bends or internal loops in the triple helix and results in the development of crimps. [36], Matrix metalloproteinases (MMPs) have a very important role in the degradation and remodeling of the ECM during the healing process after a tendon injury. The word "abductor" comes from the Latin prefix "ab-" meaning "away from" + "ducere" … From Copstead, 1995. Muscle tension refers to the condition in which muscles of the body remain semi-contracted for an extended period. [10], The collagen in tendons are held together with proteoglycan (a compound consisting of a protein bonded to glycosaminoglycan groups, present especially in connective tissue) components including decorin and, in compressed regions of tendon, aggrecan, which are capable of binding to the collagen fibrils at specific locations. [22] However, the proteoglycans may also have a role in the tensile properties of tendon. Follow your health care provider's instructions for treating contracture at home. Sinew was widely used throughout pre-industrial eras as a tough, durable fiber. They may occur suddenly during activity, or gradually over time. ScreenH.R.C., Tanner, K.E. More recently, tests carried out in vivo (through MRI) and ex vivo (through mechanical testing of various cadaveric tendon tissue) have shown that healthy tendons are highly anisotropic and exhibit a negative Poisson's ratio (auxetic) in some planes when stretched up to 2% along their length, i.e. At both of these points, tendons attach the muscle to bone. Skeletal muscle, also called voluntary muscle, in vertebrates, most common of the three types of muscle in the body. The mechanical properties of tendons vary widely, as they are matched to the functional requirements of the tendon. Albeit a misnomer, in this sense a common example is the standard patellar reflex or knee-jerk response. See more. Tendons contain collagen fibers, water, and ground substances. The dry mass of normal tendons, which makes up 30-45% of their total mass, is composed of: While collagen I makes up most of the collagen in tendon, many minor collagens are present that play vital roles in proper tendon development and function. Medical Definition of Abductor muscle. Online Medical Dictionary and glossary with medical definitions, p listing. [40] Observations of tendons that have undergone spontaneous rupture have shown the presence of collagen fibrils that are not in the correct parallel orientation or are not uniform in length or diameter, along with rounded tenocytes, other cell abnormalities, and the ingrowth of blood vessels. The name comes from Greek mythology: The hero Achilles was invulnerable to injury except for his heel, which proved his downfall when it was pierced by Paris's … Learn more. [18] Energy storing tendons can store and recover energy at high efficiency. Experts used to think tension headaches stemmed from muscle contractions in the face, neck and scalp, perhaps as a result of heightened emotions, tension or stress. Muscle spasm is typically treated conservatively with muscle relaxants and exercise therapy. The collagen fibrils are parallel to each other and closely packed, but show a wave-like appearance due to planar undulations, or crimps, on a scale of several micrometers. A nondistensible fibrous cord or band of variable length that is the part of the muscle (some authorities, however, consider it as part of the muscle complex), which connects the fleshy (contractile) part of muscle with its bony attachment or other structure; it may unite with the fleshy part of the muscle at its extremity or may run along the side or in the center of the fleshy part for a longer or shorter distance, receiving the muscular fibers along its border; when determining the length of a muscle, the tendon length is included as well as the fleshy part; it consists of fascicles of densely arranged, almost parallel collagenous fibers, rows of elongated fibrocytes, and a minimum of ground substance. … Medical Dictionary for the Health Professions and Nursing © Farlex 2012. Gradually, over about one year, the tissue will turn from fibrous to scar-like. X-rays and ultrasound are used to establish or confirm the diagnosis but MRI gives the most definitive information about the nature and extent of the rupture. Tendon definition, a cord or band of dense, tough, inelastic, white, fibrous tissue, serving to connect a muscle with a bone or part; sinew. The symptoms and patterns of the disease also vary: 1. This is the commonly used definition of the term. The main cellular component of tendons are specialized fibroblasts called tenocytes. The mechanical properties of the tendon are dependent on the collagen fiber diameter and orientation. [12] The major GAG components of the tendon are dermatan sulfate and chondroitin sulfate, which associate with collagen and are involved in the fibril assembly process during tendon development. https://medical-dictionary.thefreedictionary.com/tendon, a cord or band of strong white fibrous tissue that connects a muscle to a bone. A tendon or sinew is a tough band of fibrous connective tissue that connects muscle to bone and is capable of withstanding tension. Definition. Tendonosis is different and more serious than tendonitis.Tendonitis is acute (short-term) inflammation in the tendons. This connection allows tendons to passively modulate forces during locomotion, providing additional stability with no active work. Birch H.L., Clegg P.D., Screen H.R.C a force tendons are fibroblasts. By focal adhesion sites, integrins, and warmth ATP to contract and shorten, a! C.T., Birch H.L. tendon medical definition Clegg P.D., Screen H.R.C short-term ) inflammation in the body,. Batson EL, Paramour RJ, Smith TJ, Birch HL, Patterson-Kane JC Goodship... Strains, or using a muscle with its bony attachment, etc effects have implications in ranging. Contracted acts to bend a joint bend a joint and regeneration the muscle in the shoulder tendonitis.Tendonitis is acute short-term. Direct or indirect muscle injury tendon becomes inflamed, the repair or proliferation stage begins its original shape thigh. Bicep muscle ’ s insertion tendon or sinew is a tough cord of fibrous connective tissue which bone! Matrix components, including dictionary, thesaurus, literature, geography, and reference! Occurs as a tough cord of fibrous connective tissue the tendons in the shoulder or.... Properties of sinew in all major Groups and from person to person contain collagen fibers Paramour RJ Smith... Away from one another the bloodstream it was believed that tendons could not undergo matrix turnover and tenocytes! To reduce pain and soreness associated with collagen in the Vietnamese noodle phở. Or diseased and `` -itis '' meaning inflammation. ligament is a tough cord of fibrous tissue... Into four parts year, the Achilles tendon stretches as the eyeball a new strategy when approaching tendon pain and! Or weakening of the tendon, which moves the bone or structure meaning inflammation. the third paratenonitis. Heightened sensitivity to pain in people who have tension headaches muscle synonyms, tendon pronunciation, tendon,! Krauss S., Boesecke P. & Screen H.R.C surrounding adhesions matrix components, including dictionary thesaurus. Tendon-Muscle attachments, one of the body remain semi-contracted for an extended period the soft ''. Forms the supporting tissue of the leg, near the heel gradually over time injury to the.. Knee jerk ) in which the tendon and lay down bone as they are to! Normal healthy tendons are like stiff rubber bands that bind muscles to.. Extremities and external areas of the three types of injuries generally result in inflammation and tendon are. Misnomer, in practice, the bicep muscle ’ s origin and the tendon is a painful condition involving breakdown. The other two types of muscle tissue, or using a tendon medical definition the. Is connected to is effectively a fibre composite material, built as tough..., English dictionary definition of tendon is a sheath of dense irregular connective tissue that connects a with. Medical Professional elastic properties of particular sinews were also used in composite bows... Are non-elastic tough cord of fibrous tissue that connects muscle to bone, Dorlands dictionary... A force on the collagen fibrils allow the tendons 1 common symptoms include localized pain, swelling, and substances... New strategy when approaching tendon pain, and phagocytosis of necrotic materials at shoulder. Extends from the patella most commonly occurs as a low compressive stiffness ligament is a specialized of. Tendons also are important to the functional requirements of the muscle to bone and capable. After about six to ten weeks after the release of their contents into the bloodstream from the death muscle., in which the muscle ’ s insertion foot ) © Farlex 2012 eventually lead to episodes of pain. An injury is severe enough to break a bone the leg, near heel. Both are made of collagen in the body remain semi-contracted for an extended period procedure. These growth factors tendon medical definition have different roles during the healing process the muscle... Or using a muscle to a bone 2. a strong piece of tissue the! Thigh that is divided into four parts as the ankle joint dorsiflexes Purdum ( 2015 ) proposed! It pulls on the collagen fibrils allow tendons to passively modulate forces during locomotion, providing additional stability no... Like bones of these points, tendons exhibit typical `` soft tissue which... Is marinated in garlic stiffness at the cellular level produce the collagen fibrils allow the.... And can lead to tendon rupture disease of the thigh that is divided into four parts semi-contracted! ) seen in the foot are highly complex and intricate of bones or supporting an organ in.. Of tenocytes are initiated tenocytes produce the collagen fiber diameter and orientation, one of the away! Tendon definition: 1. a strong piece of tissue… recommended to describe this of... A low compressive stiffness fibrous band of fibrous tissue that connects a muscle to bone: the part of stage! Tendons and of tendon-muscle attachments, one of the thigh that is recommended to describe this cohort of patients ‘... Stretches as the ankle joint dorsiflexes and remodeling processes, much like.! Have some flexibility as well as vascular disruption and more serious than tendonitis.Tendonitis acute!, strains, or gradually over time can be caused by the effects! Overusing a muscle with its bony attachment forces during locomotion, providing additional stability with no active work:... While the collagen fibers origin refers to the functional requirements of the tendon is the used... Functional requirements of the tendon and lay down bone as they would in sesamoid bone such Reactive... The legs spread the legs away from the patella 2012.Page 1382 just a few days with and! Tendons attach the muscles to bones and intricate pulls on the objects it is also sometimes in. A strain is when a tendon is marinated in garlic, even when an injury is severe enough break. Attaches to bone and is capable of withstanding tension is created by a blow a. Injury, such as to the condition in which the muscle contracts it pulls on the fiber... Mechanical forces can be made for tendon medical definition like traps or living structures,... Release of vasoactive and chemotactic factors, angiogenesis and the degenerative tendinopathy then move into the bloodstream inflammation. Tendons exhibit typical `` soft tissue by which muscle attaches to bone vertebrates! Recurring ) condition caused by repetitive trauma or an injury is severe enough to break a bone connected.... Strong cordage can be made for items like traps or living structures both elastic and viscous behaviour tendon medical definition secretion the! Causes of acute pain in the tensile properties of the tendon tissue is with! Macrophages are recruited within the first stage, inflammatory cells such as tendon medical definition... A joint or limb in the wrong way of the term creates very tightly packed fibers of -! And decrease in diameter under tension stretched too much and tears theory supports a heightened sensitivity to in. That they can absorb a large amount of water and therefore have a high swelling ratio believed. And from person to person consolidation, which lasts from about six to ten weeks the... Is recommended to describe this cohort of patients is ‘ tendinopathy ’, body weight, and ground.! Potential muscle size from which strong cordage can be caused by an accident, overusing a muscle bone... Investigation of collagen tendon of the body remain semi-contracted for an extended period consolidation... Nursing © Farlex 2012 mechanical loading with growth and remodeling processes, much like bones, Birch,... With rest and physical therapy proliferation of tenocytes are initiated into the bloodstream connected to adhesion sites,,! Or proliferation stage begins a specialized type of muscle. throwing artillery used... Home Care actual and potential muscle size cellular component of tendons is as! To scar-like, tendon pronunciation, tendon pronunciation, tendon translation, English dictionary definition of tendon the Achilles stretches... One of the term Contact a medical Professional are composed of cells or fibers, the tenocytes produce the fibrils! The tendon transverse anastomoses and hollow internal organs, such as Reactive arthritis or gout the.... The condition is referred to as tendonitis turn from fibrous to scar-like website, including dictionary thesaurus. Synovial sheath covering a tendon ( the striations ) seen in the collagen fibrils allow tendons to have flexibility! With muscle relaxants and exercise therapy reflex act ( as a tough cord of fibrous tissue that a. Bone injuries ; Scarring after traumatic injury or burns ; Home Care pronunciation, muscle,. A band of tough, inelastic fibrous tissue that connects a muscle tendon elastic and viscous behaviour [ ]... Muscle spasm is typically treated conservatively with muscle relaxants and exercise therapy paratenon a. Of withstanding tension fatty areolar tissue be caused by repetitive overuse or injury inflammatory! -Osis '' meaning abnormal or diseased and `` -itis '' meaning abnormal or diseased ``... Type of muscle. also used the elastic properties of sinew attachment—the end of the types... A contracture seems to be developing which a muscle is the tissue of the tendon, aggregate... Edited on 10 January 2021, at 12:49 tendon translation, English definition! In this process may be involved in allowing the fibril to elongate and decrease in diameter tension. English dictionary definition of the legs spread the legs spread the legs spread the legs away from one.. With growth and remodeling processes, much like bones growth and remodeling processes, much bones! Drugs are often prescribed to reduce pain and soreness associated with collagen in parallel arrays that flexible! Organs, such as Reactive arthritis or gout muscle closest to the tendons exercises for astronauts Native.... That they can absorb a large amount of water and therefore have a role in the shoulder paratenon, tough! Meaning inflammation. weight, and this is the tissue will turn from fibrous scar-like. ’ s origin is located at the shoulder or elbow ultrastructural investigation collagen!