Extension

Question 1

Range

Answer 1

50-70 degrees from neutral

Question 2

Teres Major

Answer 2

O- elongate oval area of the. posterior surface of the inferior angle of the scapula
I- medial lip of the groove on the anterior surface of the humerus
I- lower subscapualar nerve C5-C7

Question 3

Latissimus Dorsi

Answer 3

O- spinous processes of lower 6 thoracic vertebrae and related interspinous ligaments
iliac crest
lower 3-4 ribs
I- floor of inter tubercular sulcus
I- thorax-dorsal nerve C6-C8

Question 4

Pectoralis Major

Answer 4

O- clavicular head- anterior surface of medial 1/2 of the clavicle
sternocostal head- anterior surface of sternum, first 7 costal cartilages, sternal end of sixth rib, aponeurosis of external obliqueI- lateral lip of groove of humerus
I- medial and lateral pectoral nerves CH–>C5, C6
SH–> C6-C8,T1

Question 5

Deltoid

Answer 5

O- inferior edge of the crest of the spine of the scapula
lateral margin of the acromion
anterior border of lateral 1/3 of the clavicle
I- deltoid tuberosity of the humerus
I- axillary nerve C5,C6