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PTA
Active & Passive Insufficiency
| Muscle | Action | Active Insufficiency | Passive Insufficiency |
|---|---|---|---|
| Biceps Brachii (long head) | Elbow and Shoulder Flexion | Elbow and Shoulder at Flexion | Elbow and Shoulder at Extention |
| Triceps (long head) | Elbow and Shoulder Extention | Elbow and Shoulder at Extention | Elbow and Shoulder at Flexion |
| Gastrocnemius | Plantar Flexion, Knee Flexion | Plantar Flexion, Knee Flexion | Dorsiflexion, Knee Extention |
| Rectus Femoris | Knee Extention, Hip Flexion | Knee Extention, Hip Flexion | Knee Flexion, Hip Extention |
| Biceps Femoris (long head), Semitendinosus and Semimembranosus | Knee Flexion, Hip Extention | Knee Flexion, Hip Extention | Knee Extention, Hip Flexion |