Upper Limb Surfacs Anatomy

Question 1

Anatomical boundaries and components of forearm

Answer 1

Elbow - wrist
Radius, ulna, humerororadial, radioulnar, superficial (brachioradialies, carpi, longus and breview, extensor digitorum + digiti minimi, extensor carpi ulnaris), flexior carpi ulnaris + radialis, palmaris longus, pronator teres, pronator quadtratus

Question 2

Anatomical boundaries and components of the hand

Answer 2

Carpal to finger tips
8 carpals, metacarpets, phalanges
Abductor pollicis brevis, adductor ollicis, flexor pollicis brevis, oppenens pollicis, abductor digiti minimi, flexor figiti minimi, opponents digiti minimi, palmaris brevis,, lumbricals, palmar interossei, dorsal interossei

Question 3

Boundaries and component of pectoral girdle

Answer 3

Clavicle and scapula

Question 4

Boundaries and component of upper arm

Answer 4

Superior/inferior/ posterior/ lateral and medial walls
Medial wall of serratus anterior
Ribs 1-4, humerus, coracobrachialis, short head of biceps

Question 5

From which nerve plexus innervates the upper limb?

Answer 5

Brachial plexus: musculocutaneous, axillary, brachial, radial and ulnar nerve

Question 6

Location and tissues served by axillary

Answer 6

Medial side of the axillary artery
- arm, axillia and superolateral chest wall

Question 7

Location and tissues served by cephalic

Answer 7

Anterior antebrachium
- superficial - runs up the shoulder

Question 8

Location and tissues served by basilic

Answer 8

Medial aspect of forearm at wrist and runs superficially in forearm via the cubital vein
- dorsal venous network of the hand

Question 9

Location and tissues served by median cubital

Answer 9

Cubital fossa an anterior /flexor aspect of the elbow joint - crease middle of arm and slightly up and down

Question 10

Location and tissues served by median antebrachial cutaneous

Answer 10

Superficial forearm vein
- drains superficial structures of the forearm and wrist between basilic and cephalic vein

Question 11

Location and tissues served by dorsal venous network

Answer 11

Within superficial fascia on the back of the hand
- laterally into cephalic vein and medially into basilic vein

Question 12

What bones are in the elbow joint?

Answer 12

humerus and ulna

Question 13

what is in the radio carpal joint?

Answer 13

radius, schapoid, lunate and triquetal

Question 14

what is in the metacarpophalangeal joint?

Answer 14

prximal phalanges and sital metacarpal

Question 15

what is in the carpal (intercarpal) joints?

Answer 15

all the carpals

Question 16

what is in the interphalangael joints?

Answer 16

proximal phalanges, base and head of the middle phalanges and base of digital phalanes?

Question 17

what is in the intermetacapral joints?

Answer 17

Metacarpals

Question 18

What is in the brachial plexus?

Answer 18

musculocataneous, axillary, radial and median

Question 19

What are the brachial plexus roots?

Answer 19

C5 - T1

Question 20

List the muscles in the ANTERIOR compartment of the arm

Answer 20

pronator teres, flexor carpi ulnarius, palamris longus, flecor digitorum, profundus, flecor pollicis longus, pronator quadratus. (FLEXORS)
(Coracobrachialis, brachialis, bicep brachii)

Question 21

List the muscles in the POSTERIOR compartment of the arm

Answer 21

Tricep brachii
All the extensors
- extensor digiforum, communius, extensor digiti minimi, extensor carpi ulnaris, aconeus, supinator, abdcutor pollicis longus, extensor pollicisi brevis, extensor indices

Question 22

Name the two major compartments of the upper limb and define their boundary

Answer 22

Lateral and medial septum is the boundary
The two compartments are anterior and posterior

Question 23

Anatomical boundaries of the 5 compartments of the hand

Answer 23

Thenar - outer thumb
Hypothenar - metacarpal outer portion of 5th phalanx
Adductor - metacarpal thumb + 3rd fingers
Central - between metacarpals attaches to the tendon
Interosseous between metacarpals

Question 24

What is aponeurosis?

Answer 24

A thin sheath of connective tissue that helps to connect the muscles to your bones

Question 25

Name the 4 anterior axio appendicular muscles that move the pectoral girdle and their movement and attachment

Answer 25

Pec minor: 3rd 5th lig to costochondral - depression, abduction, internal rotation, protraction

Pec major: adduction - greater tubercle

Subclavius: stabilization of the sternoclavicular joint - inserts into surface of middle of the grove of the clavicle

Serratus Anterior: 1st - 8/9th rib and medial border of scapula - movement is pulling forward towards thorax

Question 26

Name the two superficial posterior extrinsic shoulder muscles and their attachment + movements

Answer 26

Trapezius - (O) ligament nuchae, C7 - T12, occipital protuberdance (I) Scap, Clav, Acromian - it abdcuts, elevate/depresses

Latissimus Dorsi - (O) T7-T12, L1-L5, sacrum, iliac crest rib 10-12 (I) intertubercle groove of the humerus - lats interally rotate, add and extend the arm.

Question 27

Name the two deep posterior extrinstic shoulder muscles

Answer 27

Levatator Scapulae
Rhomboids

Question 28

Name the six intrinsic muscles of the shoulder

Answer 28

deltoid
teres minor
teres major
subscapularis
supraspinatus
infraspinatous