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29 Cards in this Set

  • Front
  • Back
1. Tendon of Palmaris Longus
2. Palmaris Brevis
3. Palmar Aponeurosis
answer
Superficial Transverse Metacarpal Ligaments
answer
Dupuytren Contracture

Progressive shortening, thickening, and fibrosis of the palmar aponeurosis.

Elderly, aging people
What is this?

Describe the pathogenesis?

Occurs in mainly what population group?
1. Opponens Pollicis
2. Abductor Pollicis Brevis
3. Flexor Pollicis Brevis

4. Adductor Pollicis

5. Abductor Digiti Minimi
6. Flexor Digiti Minimi
7. Opponens Digiti Minimi

8. Lumbricals (1-4)
Answer
1. Median nerve
2. Ulnar nerve
3. Opponens Pollicis
4. Abductor Pollicis Brevis
5. Flexor Pollicis Brevis

6. Adductor Pollicis
7. Lumbricals
8. Interosseus muscles

9. Opponens Digiti Minimi
10. Flexor Digiti Minimi
11. Abductor Digiti Minimi
Answer
1. Vincula
2. Lumbrical
3. Interosseous muscles
Answer
1. Lumbricals

2. Palmar Interosseus

3. Dorsal Interosseus
Answer
Palmar Aponeurosis

- Attachments
Flexor Retinaculum

Base of Proximal phalanges
Palmar Brevis

- Function
- Innervation
"Wrinkles" skin
(deepens cup of palm for gripping)

Ulnar nerve
Which intrinsic muscles of the hand are innervated by the Median nerve?
Abductor Pollicis Brevis

Flexor Pollicis Brevis

Opponens Brevis

Lumbricals 1 & 2
Which intrinsic muscles of the hand are innervated by the Ulnar nerve?
Abductor Digiti Minimi

Flexor Digiti Minimi

Opponens Digiti Minimi

Adductor Pollicis

Lumbricals 3 & 4

All Interosseus muscles
Lumbricals

- Function x2
- Origin
- Insertion x2
- Innervation
Flex @ MCP
Extend @ IP

Tendon of FDP

1 & 2 - Median nerve
3 & 4 - Ulnar nerve
Lateral side of extensor hood
Base of Proximal phalanx
Palmar Interosseus

- Function x3
- Origin
- Insertion x2
- Innervation
- How many are there?
Adduction
MCP flexion
IP extension

MCP

Lateral side of extensor hood
Base of proximal phalanx

Ulnar

3
Dorsal Interosseus

- Function x3
- Origin
- Insertion x2
- Innervation
- How many are there?
Abduction
MCP flexion
IP extension

MCP

Lateral to extensor hood
Base of proximal phalanx

Ulnar

4
What structure goes through the space separating Lumbrical from Interosseus muscles?
Deep Transverse Metacarpal Ligament
1. Radial aa
2. Deep Palmar Arch
3. Superficial Palmar Arch
4. Ulnar aa.
Answer
1. Princeps Pollicis
2. Contributions from Deep Palmar Arch
3. Radialis Indicis
4. Superficial Palmar Arch
5. Proper Palmer Digital aa
6. Common Palmar Digital aa
Answer
1. Dorsal Metacarpal aa

2. Dorsal Digital aa
Answer
Deep Palmar Arch

- Contribution from where?
- Branches x2
- Anastomosis with what?
Radial aa

Princeps pollicis aa
Radialis indicis aa

Superficial Palmar arch
Superficial Palmar Arch

- Contribution from where?
- Branches x2
- Anastomosis with what?
Ulnar aa

Common Palmar Digital aa.
(which will give rise to Proper Palmar Digital aa.)

Deep Palmar arch
Dorsal Metacarpal Arteries

- Contribution from where?
- Branches
Ulnar and Radial aa.

Dorsal Digital aa.
1. Common Palmar Digital nerves

2. Proper Palmar Digital nerves
Answer
1. Radial
2. Medial
3. Ulnar
List nerve name (not the root)
1. Ulnar

2. Radial

3. Median
Nerves (not roots)
1. Dorsal Digital Nerves (Ulnar)

2. Dorsal Digital Nerves (Radial)
Answer
Does the dermatome pattern match the cutaneous nerve pattern?
No
What are the contents of the Carpal Tunnel?
Median nerve

FDS tendon
FDP tendon
Flexor Pollicis Longus tendon
1. Deep Transverse Metacarpal ligament

2. Collateral ligament

3. Palmar Plate
Answer
What is the uniqueness of the collateral ligament in the hand?
While all the ligaments are tight within the hand, the collateral of the MCP is loose until it is extended, at which point it tightens up.