Upper Limb Anatomy Flashcards
Name joints A, B, C, and D and give their types

A - Acromoclavicular joint (plane type)
B - Humeroulnar joint
C - Radiohumeral joint
D - Radiocarpal joint (ellipsoid type)

Name joints A, B, C, and D and give their types

A - Glenohumeral joint (ball and socket type)
B - Sternoclavicular joint (saddle type)
C - Proximal radioulnar joint (pivot type)
D - Distal radioulnar joint (pivot type)

What occurs during pronation?
The radius moves over the ulna
Name A and B
A - Distal IP (DIP) joint
B - Proximal IP (PIP) joint

Name joints A and B and give their types

A - 5th MCP joint (condyloid type)
B - 1st CMC joint (saddle type)

What is the nerve supply to the trapezius?
CNXI
What is the nerve supply to the serratus anterior?
Long thoracic nerve
What is the nerve supply to the rhomboid minor and major?
Dorsal scapula nerve
Name A and B

A - Rhomboid minor
B - Rhomboid major

Name A and B

A - Trapezius
B - Serratus anterior

What is the nerve supply to the levator scapulae?
Dorsal scapula nerve
Name A and B

A - Levator scapulae
B - Rotator cuff

What muscles make up the rotator cuff and where do they attach?
Supraspinatus, infraspinatus, and teres minor to greater tuberosity of humerus
Subscapularis to lesser tuberosity of humerus
Name A, B, and C

A - Infraspinatus
B - Supraspinatus
C - Coracoid process

Name A, B, and C

A - Acromion process
B - Subscapularis
C - Teres minor

What muscles are contained in the anterior compartment of the arm?
Biceps brachii
Brachialis
Coracobrachialis
What are the actions of the anterior compartment of the arm?
Flexion of arm and forearm
Biceps brachii also supinates forearm
What is the nerve supply to the anterior compartment of the arm?
Musculocutaneous nerve
Name A

Coracobrachialis

Name A and B

A - Biceps brachii
B - Brachialis

What muscles are contained in the posterior compartment of the arm?
Triceps brachii
What are the actions of the posterior compartment?
Extension of arm and forearm
What is the nerve supply to the posterior compartment of the arm?
Radial nerve
What muscles are contained in the superficial layer of the anterior compartment of the forearm?
Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris
What muscles are contained in the intermediate layer of the anterior compartment of the forearm?
Flexor digitorum superficialis
What muscles are contained in the deep layer of the anterior compartment of the forearm?
Flexor pollicis longus
Flexor digitorum longus
Pronator quadratus
What is the nerve supply to the anterior compartment of the forearm?
Median nerve
Except flexor carpi ulnaris and medial half of flexor digitorum superficialis by ulnar nerve
What are the actions of the anterior compartment of the forearm?
Flexion of the wrist and digits
Pronation
Abduction and adduction of the wrist
Name A and B

A - Pronator teres
B - Palmaris longus

Name A and B

A - Flexor carpi radialis
B - Flexor carpi ulnaris

Name A

A - Flexor digitorum superficialis

Name A, B, and C
A - Flexor pollicis longus
B - Flexor digitorum profundus
C - Pronator quadratus

What muscles are contained in the superficial layer of the posterior compartment of the forearm?
Brachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris
Extensor digitorum
Extensor digiti minimi
Anconeus
What muscles are contained in the deep layer of the posterior compartment of the forearm?
Supinator
Abductor pollicus longus
Extensor pollicis longus
Extensor pollicis brevis
Extensor indicis
What is the nerve supply to the posterior compartment of the forearm?
Radial nerve
What are the actions of the posterior compartment of the forearm?
Extension of wrist and digits
Supination
Abduction and adduction of wrist
Name A, B, and C

A - Brachioradialis
B - Extensor digitorum
C - Extensor digiti minimi

Name A, B, C, and D

A - Anconeus
B - Extensor carpi radialis longus
C - Extensor carpi radialis brevis
D - Extensor carpi ulnaris

Name A, B, and C

A - Supinator
B - Extensor pollicis longus
C - Extensor pollicis brevis

Name A and B

A - Abductor pollicis longus
B - Extensor indicis

What muscles make up the thenar eminence of the hand?
Abductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis
What is the nerve supply to the thenar eminence of the hand?
Recurrent branch of the median nerve
What muscles make up the hypothenar eminence of the hand?
Abductor digiti minimi
Flexor digiti minimi brevis
Opponens digiti minimi
What is the nerve supply to the hypothenar eminence of the hand?
Deep branch of the ulnar nerve
Name areas A and B and muscle C

A - Hypothenar eminence
B - Thenar eminence
C - Adductor pollicis

Where do the lumbricals attach?

Tendons of flexor digitorum profundus
What is the nerve supply to the lubricals?

Medial nerve (to lateral two)
Ulnar nerve (to medial two)
What are the actions of the interossei?

Dorsal interossei = abduction of digits
Parmar interossei = adduction of digits
What is the nerve supply to the interossei?

Ulnar nerve
Where does the brachial plexus originate from?
Anterior rami of C5-T1
Name nerves A, B, C, D, and E

A - Musculocutaneous
B - Axillary
C - Radial
D - Median
E - Ulnar

Name A and B

A - Medial cord
B - Lateral cord

Name A, B, and C

A - Radial nerve
B - Axillary nerve
C - Posterior cord

What is the carpal tunnel formed by?
Flexor retinaculum
Carpals
What is contained within the carpal tunnel?
Flexor digitorum superficialis (x4)
Flexor digitorum profundus (x4)
Flexor pollicis longus (x1)
Median nerve
Name A, B, C, D, and E

A - Radial artery
B - Ulnar artery
C - Brachial artery
D - Axillary artery
E - Subclavian artery

Name A, B, and C

A - Superficial palmar arch (ulnar artery dominant)
B - Deep palmar arch (radial artery dominant)
C - Elbow anastomosis
