Cadaver Lab Practical 1

Question 1

Pectoralis Major

Answer 1

O: Clavicle I: greater tubercle A: Forced Inspiration N: medial/lateral pectoral nerve

Question 2

pectoralis minor

Answer 2

O: upper ribs I: coracoid process/scapula A: forced inspiration N: medial pectoral

Question 3

subclavius

Answer 3

O: 1st rib I: subclavian groove A: moves clavicle medially N: nerve to subclavius

Question 4

Trapezious

Answer 4

O: Spines of thoracic I: clavicle A: stabilizes scapula N: spinal accessory

Question 5

Rhomboid Major

Answer 5

O: upper thoracics I: vertebral border A: stabilizes scapula N: Dorsal scapular

Question 6

rhomboid minor

Answer 6

O: lower cervical I: vertebral border A: stab scapula N: dorsal scapular

Question 7

levator scapula

Answer 7

O: upper cervical I: superior angle of scapula A: stabilizes scapula N: dorsal scapular

Question 8

Latissimus Dorsi

Answer 8

O: lower thoracic I: intertubercular groove A: extends humerus N: thoracodorsal

Question 9

serratus anterior

Answer 9

O: upper ribs I: vertebral border A: stabilizes scapula N: long thoracic

Question 10

deltoid

Answer 10

O: ant clavicle I: deltoid tuberosity A: flexes arm N: axillary

Question 11

supraspinatus

Answer 11

O: supraspinous fossa/scap I: greater tuberosity A: stabilizes shoulder N: suprascapular

Question 12

infraspinatus

Answer 12

O:infraspinous fossa I: greater tuberosity A: stabilizes shoulder N: suprascapular

Question 13

subscapularis

Answer 13

O: subscapular fossa I: lesser tubercle A: stabilizes shoulder N: subscapular

Question 14

teres major

Answer 14

O: inferior angle I: intertubercular groove A: stabilizes shoulder N: subscapular

Question 15

teres minor

Answer 15

O: axillary border I: greater tuberosity A: stabilizes shoulder N: axillary

Question 16

biceps brachii

Answer 16

O: Short head- coracoid process Long head- supraglenoid tubercle I: tuberosity radius A: flexes forearm N: musculocutaneous

Question 17

coracobrachialis

Answer 17

O: coracoid process I:shaft humerus A: flexes arm N: musculocutaneous

Question 18

brachialis

Answer 18

O: shaft humerus I: coronoid process A: flexes forearm N: musculocutaneous

Question 19

triceps brachii

Answer 19

O: Long head-infraglenoid tubercle Lateral/Medial head- shaft humerus I: olecranon process A: extension forearm N: radial

Question 20

pronator teres

Answer 20

O: medial epicondyle/humerus I: pronator ridge/radiusA: pronates forearm @ superior radio-ulnar joint N: median

Question 21

flexor carpi radialis

Answer 21

O: medial epicondyle I: 2nd metacarpal A: flexion hand N: median

Question 22

palmaris longus

Answer 22

O: medial epicondyle I: palmar aponeurosis A: flexes hand N: median

Question 23

flexor carpi ulnaris

Answer 23

O: medial epicondyle I: pisiform A: flexes hand N: ulnar

Question 24

flexor digitorum superficialis

Answer 24

O: medial epicondyle I: middle phalanges digits 2-5 A: flexes hand N: median

Question 25

flexor digitorum profundus

Answer 25

O: shaft/ulna I: distal phalanges digits 2-5 A: flexes hand N: ulnar and median

Question 26

flexor pollicis longus

Answer 26

O: shaft radius I: distal phalanx digit 1 A: flex thumb N: median

Question 27

pronator quadratus

Answer 27

O: shaft ulna I: shaft radius A: pronates forearm @ inferior radial-ulnar joint N: median

Question 28

brachioradialis

Answer 28

O: lateral supracondylar ridge humerous I: styloid process radius A: flex forearm N: radial

Question 29

extensor carpi radialis longus

Answer 29

O: lateral epicondyle I: 2nd metacarpal A: extends wrist N: radial

Question 30

extensor carpi rad brev

Answer 30

O: lateral epicondyle I: 3rd metacarpal A: extends wrist N: radial

Question 31

extensor digitorum maximus

Answer 31

O: lateral epicondyle I: middle phalanx digits 2-5 A: extend hand N: radial

Question 32

extensor digiti minimi

Answer 32

O: lateral epicondyle I: proximal phalanx digit 5 A: extend digit 5 N: radial

Question 33

extensor carpi ulnaris

Answer 33

O: lateral epicondyle I: 5th metacarpal A: extend hand N: radial

Question 34

abductor pollicis brevis

Answer 34

O: trapezium I: proximal phalanx digit 1 A: abducts digit 1 @ M-P joint N: median

Question 35

opponens pollicis

Answer 35

O: trapezium I: 1st metacarpal A: medial rotates 1st metacarpal N: median

Question 36

flexor pollicis brevis

Answer 36

O: trapezium I: proximal phalanx digit 1 A: flexes digit 1 @ MP joint N: ulnar & median

Question 37

adductor pollicis

Answer 37

O: trapezoid I: proximal phalanx digit 1 A: adducts digit 1 N: ulnar

Question 38

abductor digiti minimi

Answer 38

O: pisiform I: proximal phalanx digit 5 A: abduct digit 5 N: ulnar

Question 39

flexor digiti minimi

Answer 39

O: hamate O: proximal phalanx digit 5 A: flexes @ M-P joint N: ulnar

Question 40

opponens digiti minimi

Answer 40

O: hamate I: 5th metacarpal A: laterally rotates 5th metacarpal N: ulnar

Question 41

lumbricals

Answer 41

O: tendons of flexor digitorum profundus I: tendons of extensor digitorum A: flexes M-P joints N: 1st-2nd lumbricals- median 3-4 lumbricals- ulnar

Question 42

dorsal Interossei

Answer 42

O: 2nd-4th metacarpals I: proximal phalanx 2-4 A: abducts digits 2-4 N: ulnar

Question 43

Palmar Interossei

Answer 43

O:2nd, 4th, 5th metacarpals I: proximal phalanx 2,4,5 A: adducts digit 2,4,5 N: ulnar

Question 44

Supinator

Answer 44

O: lateral epicondyle I: shaft/radius A: supinates forearm N: radial

Question 45

abductor pollicis longus

Answer 45

O: shaft ulnar I: 1st metacarpal A: abducts digit 1 N: radial

Question 46

extensor pollicis brevis

Answer 46

O: shaft radius I:proximal phalanx digit 1 A: extends digit 1 @ M-P joint N: radial

Question 47

extensor pollicis longus

Answer 47

O: shaft ulna I: distal phalanx digit 1 A:extends digit 1 @ I-P joint N: radial

Question 48

extensor indicis

Answer 48

O: shaft ulna I: proximal phalanx digit 2 A: extends digit 2 @ M-P joint N: radial

Question 49

Anconeus

Answer 49

O: lateral epicondyle I: olecranon process A: extends forearm N: radial