Upper Extremity Muscle Cards

Question 0

Supraspinatus distal attachment

Answer 0

Superior facet on greater tubercle of humerus & joint capsule

Question 1

Suprapinatus proximal attachment

Answer 1

Medial 2/3 of supraspinous fossa of scapula

Question 2

Supraspinatus innervation

Answer 2

Suprascapular n. (C4, C5, and C6)

Question 3

Supraspinatus action

Answer 3

Helps middle deltoid to abduct arm and acts with rotator cuff muscles

Question 4

Infraspinatus proximal attachment

Answer 4

Medial 2/3 of intraspinous fossa of scapula

Question 5

Infraspinatus distal attachment

Answer 5

Middle facet on greater tubercle of humerus & joint capsule

Question 6

Infraspinatus innervation

Answer 6

Suprascapular n. (C5 and C6)

Question 7

Infraspinatus action

Answer 7

Laterally rotate arm; Help to hold humeral head in glenoid cavity of scapula

Question 8

Teres minor proximal attachment

Answer 8

Superior part of lateral border of scapula

Question 9

Teres minor distal attachment

Answer 9

Inferior facet on greater tubercle of humerus & joint capsule

Question 10

Teres minor innervation

Answer 10

Axillary n. (C5 and C6)

Question 11

Teres minor action

Answer 11

Laterally rotate arm; Help to hold humeral head in glenoid cavity of scapula

Question 12

Subscapularis proximal attachment

Answer 12

Subscapular fossa

Question 13

Subscapularis distal attachment

Answer 13

Lesser tubercle of humerus & joint capsule

Question 14

Subscapularis innervation

Answer 14

Upper and lower Subscapular nn. (C5, C6, and C7)

Question 15

Subscapularis action

Answer 15

Medially rotates arm & adducts it; helps to hold humeral head in glenoid cavity