Week 2

Question 1

Scapulohumeral Rhythm Phase 1

Answer 1

60deg GH motion, 30deg scapular motion (25 SC & 5 AC)

Question 2

Scapulohumeral Rhythm Phase 2

Answer 2

60deg GH motion, 30deg scapular motion (25 AC & 5 SC)

Question 3

Muscles of shoulder flexion and corresponding movement of scapula

Answer 3

Ant deltoid, pec major clavicular, corocobrachialis. Upward rotation and ABduction of scapula

Question 4

Muscles of shoulder extension and corresponding movement of scapula

Answer 4

Pec major sternal, post deltoid, lats, teres major. Downward rotation and adduction of scapula

Question 5

Muscles of shoulder hyper-extension and corresponding movement of scapula

Answer 5

Post deltoid, lats, teres major. Downward rotation, adduction, elevation, upward tilt

Question 6

Muscles of shoulder ABduction and corresponding movement of scapula

Answer 6

Middle deltoid, supraspinatus. Upward rotation of scapula

Question 7

Muscles of shoulder adduction and corresponding movement of scapula

Answer 7

Pec major sternal, lats, teres major. Downward rotation of scapula

Question 8

Muscles of shoulder external rotation and corresponding movement of scapula

Answer 8

Infraspinatus and teres minor. Adduction of scapula

Question 9

Muscles of shoulder internal rotation and corresponding movement of scapula

Answer 9

Subscapularis, lats, teres major. ABduction of scapula

Question 10

Muscles of horizontal adduction of shoulder and corresponding movement of scapula

Answer 10

Ant deltoid, pec major clavicular, pec major sternal, coracobrachialis. ABduction of scapula

Question 11

Muscles of horizontal aBduction of shoulder and corresponding movement of scapula

Answer 11

Mid deltoid, post deltoid, infraspinatus, teres minor. Adduction of scapula