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71 Cards in this Set

  • Front
  • Back
What supplies cutaneous innervation in shoulder region?
Branches from axillary nerve
What supplies cutaneous innervation on medial surface of arm? (2)
1. medial brachial cutaneous
2. Intercostobrachial
What supplies cutaneous innervation of posterior & lateral arm?
Branches of radial nerve
What supplies cutaneous innervation of anterior surface of arm?
Medial antebranchial cutaneous
Superficial veins of the arm are the? (2)
1. Cephalic vein (lateral)
2. Basilic vein (medial)
What are the superficial lymph nodes of the arm? (2)
1. Cubital lymph nodes
2. Deltopectoral nodes
What are the fascia found in the arm?
1. Superficial fascia
2. Brachial fascia (deep fascia)
3. Medial & lateral intermuscular septa
What is the function of the medial & lateral intermusclar speta?
Connect brachial (deep) fascia to humerus & divide arm into anterior & posterior compartments
What are the muscles of the anterior compartment of the arm (3)
1. Biceps brachii
2. Brachialis
3. Coracobrachialis
What is the innvervation to the muscles of the anterior compartment of the arm?
Musculocutaneous nerve
The muscles of the anterior compartment of the arm all do what general action?
Anterior = FLEXORS
What are the actions of the biceps brachii? (2)
1. Supinates forearm
2. Flex supinated forearm
What is the action of the brachialis?
Flexes arm
What are the actions of the coracobrachialis? (2)
1. Flexion of arm
2. Adduction of arm
What are the muscles of the posterior compartment of the arm?
1. Triceps brachii
2. Anconeus
What is the action of the triceps brachii?
Extends forearm
What is the action of the aconeus? (2)
1. Aids in extension of forearm
2. Stabilizes elbow
What is the innervation to the muscles of the posterior compartment of the arm?
Radial nerve
What is the principal blood supply to the arm?
Brachial artery
Brachial artery is a continuation of what artery?
Axillary artery --> Brachial arter at lower border of teres major
The brachial artery gives off which branches in the arm? (2)
1. Deep brachial artery
2. Anastomotic branches
At the cuboidal fossa the brachial artery divides to become?
Radial artery
Ulnar artery
Which veins join w/ the basilic vein to form the axillary vein?
Venae comitantes of the brachial artery
What is the superior boundary of the cubitall fossa?
Between lateral & medial epicondyles of humerus
What is the medial boundary of the cubitall fossa?
Pronator teres
What is the lateral boundary of the cubital fossa?
Brachioradialis
What 2 muscles make up the floor of the cubital fossa?
Brachialis & supinator
What makes up the roof of the cubital fossa?
-Deep fasica
-Bicipital aponeurosis
-Superficial fascia
-Skin
Which arteries are found in the cubital fossa?
Brachial artery -->
-Raidal artery
-Ulnar artery
Which veins are found in the cubital fossa (2)?
1. Brachial veins
2. Medial cubital vein
Which nerves are found in the cubital fossa (4)
1. Median nerve
2. Radial nerve
3. Medial antebrachial cutaneous
4. Lateral antebrachial cutaneous
Which bone is found medially in forearm?
Ulna
Which bone is found laterally in forearm?
Radius
What are the 4 articulations of the radius?
1. Capitulum of humerus
2. Radial notch of ulna
3. Distal ulna
4. Scaphoid & lunate bones
What features are present at distal end of radius? (2)
1. Ulnar notch
2. Styloid process
What features are present at the proximal end of ulna? (4)
1. Trochlear notch
2. Olecranon
3. Coronoid process
4. Radial notch
What fascial structures are present in the forearm? (4)
1. Superficial fascia
2. Antebrachial fascia
3. Intermuscular septa- med & lat
4. Interosseous membrane
What are the superficial muscles of the anterior compartment of the forearm? (4)
1. Pronator teres
2. Flexor carpi radialis
3. Palmaris longus
4. Flexor carpi ulnaris
All of the superficial muscles in the anterior compartment of the forearm are innervated by __________ except which muscle?
MEDIAN NERVE

EXCEPT: Flexor Carpi Ulnaris = ULNAR NERVE
What is the action of the pronator teres? (2)
1. Pronation
2. Flexion of forearm
What is the action of the flexor carpi radialis? (2)
1. Flexion of wrist
2. Abduction of wrist
What is the function of the palmaris longus? (3)
1. Flexion of wrist
2. Tension of palmar fascia
3. Abduction of thumb
What is the function of the flexor carpi ulnaris? (2)
1. Flexion of wrist
2. Adduction of wrist
What muscle is in the middle layer of the anterior compartment of the forearm?
Flexor digitorum superficialis
What muscles are in the deep layer of the anterior compartment of the forearm?
1. Flexor digitorum profundus
2. Flexor pollicis longus
3. Pronator quadratus
What innervates the flexor digitorum superficialis?
Median nerve
Flexor digitorum profundus is innervated by?
-Medial half = Ulnar nerve
-Lateral half = Anterior interosseous nerve
What is the action of the flexor digitorum superficialis?
Flex middle phalanx of digits 2-5
Flex hand & wrist
What is the action of the flexor digitorum profundus?
Flex distal phalanx of digits 2-5
Flex hand & wrist
What is the action of the flexor pollicis longus?
Flexes distal phalanx of thumb
What is the action of the pronator quadratus?
Pronates forearm
What muscles are in the superficial layer of the posterior compartment of the forearm? (6)
1. Brachioradialis
2. Extensor carpi radialis longus
3. Extensor carpi radialis brevis
4. Extensor carpi ulnaris
5 Extensor digitorum
6. Extensor digiti minimi
What muscles are in the deep layer of the posterior compartment of the forearm? (5)
1. Supinator
2. Abductor pollicis longus
3. Extensor pollicis brevis
4. Extesnor pollicis longus
5. Extensor indicis
What is the action of the brachioradialis?
Flex elbow
What is the action of the extensor carpi radiallis longus? (2)
1. Extends wrist
2. Abduct hand
What is the action of the extensor carpi radialis brevis? (2)
1. Extends wrist
2. Abduct hand
What is the action of the extensor carpi ulnaris? (2)
1. Extend wrist
2. Adduct wrist
What is the action of the extensor digitorum?
Extend phalanges & wrist
What is the action of extensor digiti minimi?
Extends 5th digit
What is the action of the supinator?
Supinates forearm
What are the actions of the abductor pollicis longus? (2)
1. Abduct thumb
2. Extend thumb
What is the action of the extensor pollicis longus?
Extends thumb
What are the actions of the extensor indicis?
1. Extend index finger
2. Adduct index finger
The muscles of the posterior compartment of the forearm are innervated by?
Radial nerve
What arteries branch off the radial artery? (3)
1. Superficial palmar branch
2. Deep branch
3. Branches to thumb & index
What arteries branch off the ulnar artery? (3)
1. Common interosseus
-Anterior interosseous
-Posterior interosseous
2. Superficial branch
3. Deep branch
What are the superficial veins of the forearm? (3)
1. Cephalic
2. Basilic
3. Median cubital
What nerves branch off the radial nerve in the forearm?
1. Muscular branches
2. Superficial branch
3. Deep branch
The deep branch of the radial nerve terminates as?
Posterior interosseous nerve
The median nerve gives off which branches? (5)
1. Muscular branches
2. Anterior interosseous branch
3. Superficial palmar branch
4. Recurrent branch to thenar muscles
5. Digital branches
The ulnar nerve gives off which branches? (3)
1. Muscular branches
2. Superficial branch
3. Deep branch