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Shoulder/Therex
| Question | Answer |
|---|---|
| closed packed position for the AC joint | 90 degrees of abduction |
| scapula sits at | t2-t7 |
| fucntion of the scapula | stable base for muscles |
| how many degrees of scapular elevation in shoulder flexion | 60 |
| glenohumeral to scapular elevation ratio | 2:1 through entire range |
| proximal stability for.. | distal mobility |
| elements of the GH joint | humeral head, glenoid fossa, glenoid labrum, stabilizing structures (RC ligaments) |
| is the humeral head convex or concave | convex |
| glenoid fossa is convex or concave | concave |
| function of the glenoid labrum | stability and reduce compression |
| ligamentous structures | anterior gh lihament (3 aspects); coracohumeral ligament; coracoacromial arch; capsule |
| motion restrictions of the shoulder | OA, adhesive capsulitis |
| instability of the shoulder | subluxation; dislocation; fracture; labral disruptions |
| functional factors that contribute to impingement | RC weakness, RC scarring, capsular hyper/hypomobility; scapular malposition; periscapular weakness; decreased cervicothoracic mobility |
| 3 stages of impingement | inflammation; fibrosis and tendonitis; bone spurs and tendon ruptures |
| non-operative treatment program | acute, intermediate and chronic |
| acute | 7-10 days; diminish pain and inflammation; normalize motion; pt education; re establish baseline dynamic stability |
| intermediate phase | full, painfree ROM; improve strength and endurance; maintain joint dynamic stability and posture |
| chronic phase | maintain capsular and muscular flexibility; continue improvement in strength and endurance; gradual return to activities and sports |