Upper Arm Muscles

Question 1

Name 3 upper arm anterior muscles and innervation

Answer 1

Biceps brachii
Brachialis
Coracobrachialis

Musculocutaneous

Question 2

Name origins of 3 upper arm muscles

Answer 2

Biceps brachii long head supraglenoud tubercle
Short head coracoid process
Brachialis humerus
Coaracovrachialis coracoid

Question 3

Insertions of 3 anterior upper arm muscles

Answer 3

Biceps- radial tibersoity and bicepital aponeurosus via fascia of forearm
Brachialis -ulnar tuberosity
Coracobrachialis-humerus

Question 4

Actions of 3 upper arm anterior muscles

Answer 4

Flex arm and shoulder

Supination

Question 5

3 posterior muscles

Answer 5

Long head of triceps- infraglenoid tubercle
Lateral- superior to radial groove
Medial- inferior to radial groove
Olecranon process
Radial nerve 
Extension in elbow