[image]

1

-Identify

2

-Identify

-What tissue does it come from?

-What lies directly below this structure?

3

-Identify

1

Palmar aponeurosis

2

-Palmar carpal ligmen

antebrachil fascia

-Flexor retinaculum

[image]

1-4

Identify

Origin

Insertion

Action

Intervation

Artery supply

EC - what compartment do each of these muscles belong in?

1

abductor pollicis brevis muscle

lateral end of flexor retinaculum

lateral side of base of proximal phalanx

abducts thumb

reccurent branch of medial nerve

superficial palmar branch of radial artery

2

flexor pollicis brevis muscle

lateral end of the flexor retinaculum

lateral side of base of proximal phalanx

flexes thumb

reccurent branch of medial nerve

superficial palmar branch of radial artery

3

opponens pollicis muscle

lateral end of the flexor retinaculum

along shaft of 1st metacarpal

"opposes" thumb (to pinky)

reccurent branch of medial nerve

superficial palmar branch of radial artery

4

adductor pollicis

transverse - 2nd-4th metacarpal bones, oblique - capitate

medial side of first phalanx of thumb

adducts thumb

deep branch of ulnar nerve (motor)

deep palmar arch and its branches

EC

1-3: thenar compartment

4: adductor-interosseous compartment

[image]

1-3

Identify

Origin

Insertion

Action

Innervation

Artery

EC - what compartment to each of these muscles belong to?

1

abductor digit minimi

medial end of flexor retinaculum

medial side of base of proximal phalanx

abducts pinky

deep branch of ulnar nerve (motor)

superficial and deep branches of unlar artery

2

flexor digiti minimi brevis muscle

medial end of flexor retinaculum

medial side of fifth metacarpal

flexes pinky

deep branch of ulnar nerve (motor)

superficial and deep branches of unlar artery

3

flexor digiti minim brevis

medial end of flexor retinaculum

medial side of base of proximal phalanx

"opposes" pinky (to thumb)

deep branch of ulnar nerve (motor)

superficial and deep branches of unlar artery

EC: hypothenar compartment (all)

[image]

1-4

Identify

EC: Which motor nerves innervate 1,2?

1

Lateral lumbricals

2

Medial lumbricals

3

tendons of flexor digitorum superficialis muscles

4

tendons of flexor digitorum profundus muscles

EC

1 - median nerve

2 - ulnar nerve

[image]

Identify 1-2

Function of 1-2

1

palmar interosseous muscles

2

dorsal interosseous muscles

1

adductors

2

abductors

[image]

Identify and named contents of 1-2

1

ulnar bursa

contains 8 tendons of 2 sets of flexor muscles

2

radial bursa

tendon of flexor pollicis longus

[image]

Identify (hint: it is a "space") 1-2

1

thenar space

2

medpalmar space

[image]

Identify 1-6 and name origin of branch

1

superficial palmar arch

ulnar artery (with a possible connection from radial artery)

2

common palmar arteries

from superficial palmar arch

3

proper palmar digital arteries

from common palmar arteries

4

radialis indicis artery

from radial artery

5

princeps pollicis artery

from readial artery

6

deep palmar arch

connection between ulnar and radial arteries

4