KINESIOL 4KK3 Lecture Notes - Lecture 8: Vastus Lateralis Muscle, Varus Deformity, Muscle Atrophy
6 Apr 2017
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Document Summary
Irritation in space between patella and femur resulting in anterior knee pain: can be damage to subchondral (subcartilage) bone from pressure or to retinacular tissue (collagenous tissue, not cartilage because they lack nociceptors. Breakdown occurs because tendon is being pulled apart too much. Job is to absorb impact and store it as elastic energy: eccentric loading. Want to maximize eccentric tolerance of tendon usually are eccentrically weak in knee extensors: are also limited in extensibility in knee extensors. Platelet rich plasma (prp injections) achilles/elbow, platelets contain protein growth factors, and therefore repair tissue. Take out blood from body, extract platelets, and put platelet concentration into injured/healing tendon. Improvements at 3 months, faded by 6 months (improvements disappeared) Retinacula damaged can no longer prevent movement of patella: lateral shift damage to medial retinacula. Damage could also be to articular cartilage on femur or patella. Taping can decrease pf pain and increase function side and prevent lateral shifting)
