Kinesiology: Intrinsic Muscles Of The Hand

Front 1

Back 1

flexor pollicis brevis ( thenar) -acts on thumb

N: median nerve

Front 2

Back 2

abductor pollicis brevis (thenar)

N: median nerve

Front 3

Back 3

opponens pollicis (thenar)

N: median nerve

Front 4

Back 4

adductor pollicis (deep palmar)

N: ulnar nerve

Front 5

Back 5

flexor digiti minimi ( hypothenar)- acts on 5th digit

N: ulnar nerve

Front 6

Back 6

abductor digiti minimi (hypothenar)

*pisiform attachment site

N: ulnar nerve

Front 7

Back 7

opponens digiti minimi (hypothenar)

N: ulnar nerve

Front 8

Back 8

dorsal interossei (deep palmar)

A: abducts digits 2,3,4 - *aka: DAB

N:ulnar nerve

Front 9

Back 9

palmar interossei (deep palmar)

A: adducts digits 2,4,&5 -*aka: PAD

N: ulnar nerve

Front 10

Back 10

Lumbricals (deep palmar)

O: tendons of flexor digitorum profundus (digits 2-5)

I: extension hood of digits 2-5

A: flexes MCPs, extends DIPs, & PIPs

N: median nerve digits 2&3, ulnar nerve digits 4&5

used to precuss and do cupping

Front 11

turkey leg under thumb is made up of which muscles?

Back 11

flexor pollicis brevis, abductor pollicis brevis, opponens policis

thenar muscles- median nerve

Front 12

pinky side of hand is made up of which muscles?

Back 12

flexor digiti minimi, abductor digiti minimi, opponens digiti minimi

hypothenar muscles- ulnar nerve

Front 13

which hand muscles are the interphalangeal muscles?

Back 13

lumbricals, palmar interossei, dorsal interossei, adductor policis

deep palmar muscles- ulnar nerve

Front 14

carpal tunnel syndrome causes loss of which muscles?

Back 14

thenar muscles

Front 15

what is ape hand deformity?

Back 15

from losing your opponens pollicis

loss of opposition

median nerve disturbance

Front 16

Back 16

Colles fx

fall on outstretched hand. posterior displacement of the radius. scene mostly in the geriatric population because of weakened balance

Front 17

Back 17

Ganglion cyst

fluid filled sac on either dorsal or velar side of hand

Front 18

Back 18

De quervains disease

inflammation of the snuffbox.

common in individuals who lift or work with their hands

Front 19

Back 19

Dupuytrens contracture

thickening in the palmar aponeurosis/ fascia

most common with ring and little fingers

Front 20

Back 20

trigger finger

the finger stays because the nodule stops the tendon from gliding

Front 21

Back 21

Swan neck deformity- rheumatoid arthritis

caused by RA and is hyperextension in the PIP and flexion in the DIP

Front 22

Back 22

Boutonnieres deformity

flexion of the PIP and extension of the DIP

RA or jamming of the finger

usually surgical repair is needed

Front 23

Back 23

Gamekeepers or skiers thumb

tearing of the UCL of the 1st MCP

Front 24

Back 24

Popes Sign

cannot make a fist/ Its only a SIGN!!

sign that there may have been a crush injury

median nerve damage