Lab Iii And Iv

Front 1

Origin: Flexor retinaculum, scaphoid and trapezium
Insertion: Proximal Phalanx of Thumb

Back 1

Abductor Pollicis Brevis

Front 2

Origin: Flexor Retnaculum and trapezium
Proximal phalanx of thumb

Back 2

Abductor Pollicis Brevis

Front 3

Origin: Flexor Retnaculum and Trapezium to lateral side of 1st metacarpal

Back 3

Oppones Pollicis

Front 4

2nd and 3rd Metacarpal to medial side o fpoximal phalanx of thumb

Back 4

Adductor Pollicis

Front 5

What innervates most of the intrinsic muscles of the hand?

Back 5

Ulnar Nerve

Front 6

What else innervates the hand (exceptions?

Back 6

1st and 2nd Lumbricals innervated by median nerve
and thenar muscles by the recurrent branch

Front 7

Attached to dorsum of the proximal phalanges 2-5
Receives insertion of lumbricals and interossei
Results in the action of the lumbricals and interossei being flexion of the MP joints and extention of the IP joints

Back 7

Extensor Expansion

Front 8

Deep to Flexor Retinaculum
Cutaneous Brances to palmar survace of Digits 1-3 and lateral havl of digit 4
Recurrents branc to thenar muscles
Branches to Lumbricals 1 and 2

Back 8

Median Nerve

Front 9

Superficial to flexor Retinaculum
Cutaneus branches from 4.5-5
Motor Branches to all other intrinsic hand muscles

Back 9

Ulnar Nerve

Front 10

Ilium

Back 10

Iliac Crest
Anterior superior and inferior iliac spine
Greater sciatic notch

Front 11

Ischium

Back 11

Lesser Sciatic Notch
Ischial Spine
Ishcial Tuberosity

Front 12

Pubis

Back 12

Pubic Symphysis
Pubic Tubercle
Superior and Inferior pubic Rami
Obturator Foramen

Front 13

Joints

Back 13

Sacroiliac Joint
Sactrotuberous
Sacrospinous ligaments