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14 Cards in this Set
- Front
- Back
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Name a function of a tendon |
Transmit forces generated by muscle contraction to bone resulting in joint movement |
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When a tendon joins a muscle it is called what |
Myotendinous junction MTJ |
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When a tendon joins a bone is a what |
Osteotendinous junction oTj |
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Composition of a tendinopathy include |
Cells Extra cellular matrix Fibres collagen and elastin Ground substance |
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What are the specialised fibroblasts cells called |
Tenocytes |
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Tenocytes do what |
Respond by synthesising the extracellular matrix Mechanosensitive being able to detect changes in load through deformation on their cytoskeleton |
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What does elastin allow a tendon |
Allows a tendon to resume its shape after stretching or contracting and stores mechanical energy |
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What does a ground sub stance allow |
Allows tendons to resist compressive forces through high water content |
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Aetiology of a tendinopathy |
Extrinsic factors (volume intensity frequency) Intrinsic factors (genes sex age biomechanics and adiposity) Localised tendon pain with loading tenderness to palpation and impaired function |
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Name three why tendinopathies take so long to heal |
Occur at OTJ Tendon vascularity is compromised Tendon blood flow declines with increasing age and mechanical loading Tendons have 7.5 times lower oxygen consumption compared with skeletal muscles |
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What are the differences in patho-physiology of a tendinopathy |
New blood vessels Increased water in tendon Disturbance of collagen alignment |
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In the continuum model what are the three stages |
1) reactive tendinopathy 2)- tendon disrepair 3) degenerative tendinopathy |
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What is the stimulus that drives the tendon forward or back |
Adding or removing load |
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For load management what two things must be done |
Reduce tensile load Reduce compressive load |
