Arm Layers of muscles

Question 1

Anterior Thoracoappendicular Muscle

Answer 1

Pectoralis Major
Pectoralis Minor
Subclavius M
Serratus Anterior M

Question 2

Posterior Thoracoappendicular Muscles

Answer 2

Trapezius M
Latissimus Dorsi M
Rhomboid Major M
Rhomboid Minor M
Levator Scapulae M

Question 3

Scapulohumeral M

Answer 3

Deltoid M
Subscapularis M
Supraspinatus M
Infraspinatus M
Teres Minor M
Teres Major M

Question 4

Brachial Muscles: Anterior Compartment

Answer 4

Biceps Brachii M
Coracobrachialis M
Brachialis M

inn: Musculocutaneous N

Question 5

Brachial Muscle: Posterior Compartment

Answer 5

Triceps Brachii M
Anconeus M

inn: Radial N

Question 6

Antebrachial Muscles: Superficial Layer of flexors

Answer 6

Pronator Teres
Flexor Carpi Radialis M
Palmaris Longus M
Flexor Carpi Ulnaris M

inn: all Median N except Flexor Carpi Ulnaris M which is Ulnar N

Question 7

Antebrachial Muscles:

Intermediate layers of flexors

Answer 7

Flexor digitorum Superficialis M

inn: Median N

Question 8

Antebrachial Muscles:

Deep Layer of Flexors

Answer 8

Flexor Digitorum Profundus M
speicial innervation of both lateral: Anterior Interosseous N
medial: Ulnar N
Flexor Pollicis Longus M
Pronator Quadratus

rest of inn: Anterior Interosseous N

Question 9

Antebrachial Muscles:

Superficial Layer of Extensors

Answer 9

Brachioradialis
Extensor carpi Radialis Longus M
Extensor Carpi Radialis Brevis M
Extensor Digitorum M
extensor Digiti Minimi M
Extensor Carpi Ulnaris M

Question 10

Antebrachial Muscles: Deep Extensors:

Answer 10

Supinator M

Extensor indicis M

Question 11

Antebrachial muscles: Out cropping muscles of the deep layer of extensors

Answer 11

Abductor Pollicis Longus M
Extensor Pollicis Longus M
Extensor pollicis Brevis M

inn: Posterior Interosseous N

Question 12

Hand Muscles: Thenar Eminence

Answer 12

Abductor Pollicis Brevis M
Opponens Pollicis M
Flexor Pollicis Brevis M
Adductor Pollicis M

Question 13

Hand Muscles:

Hypothenar Eminence

Answer 13

Abductor Digiti Minimi M
Flexor Digiti Minimi Brevis M
Opponens Digiti Minimi M

Question 14

Hand Muscles: Intermediate Muscles

Answer 14

lumbricals M
Dorsal Interossei
Palmar Interossei