Musculoskeletal Anatomy > Hand > Flashcards

Hand Flashcards

(54 cards)

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1
Q

Proximal row of carpal bones

A

Scaphoid, lunate, triquetrum, pisiform

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2
Q

Distal row of carpal bones

A

Trapezium, trapezoid, capitate, hamate

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3
Q

Radiocarpal joint

A

Condyloid joint

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4
Q

Intercapal and carpometacarpal joint

A

Plane joint

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5
Q

Trapeziometacarpal joint

A

Saddle joint

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6
Q

Metacarpophalangeal joint

A

Condyloid joints

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7
Q

Interphalangeal joint

A

Hinge joint

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8
Q

Anterior border of the anatomical snuff box

A

Abductor pollicis longus and extensor pollicis brevis tendons

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9
Q

Posterior border of the anatomical snuff box

A

Extensor pollicis longus tendon

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10
Q

Proximal border of the anatomical snuff box

A

Extensor retinaculum

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11
Q

Contents of the anatomical snuff box

A

Radial artery and scaphoid bone

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12
Q

Innervation for anatomical snuff box

A

Superficial branch of radial nerve

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13
Q

Insertion of abductor pollicis brevis

A

Proximal phalanx of pollex

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14
Q

Action of abductor pollicis brevis

A

Abduction of pollex (TMC joint)

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15
Q

Innervation of abductor pollicis brevis

A

Recurrent branch of median nerve

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16
Q

Insertion of flexor pollicis brevis

A

Base of proximal phalanx of pollex

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17
Q

Action of flexor pollicis brevis

A

Flexion of MCP joint of pollex

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18
Q

Innervation of flexor pollicis brevis (superficial head)

A

Recurrent branch of median nerve

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19
Q

Innervation of flexor pollicis brevis (deep head)

A

Deep branch of ulnar nerve

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20
Q

Opponens pollicis insertion

A

Lateral surface of 1st metacarpal

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21
Q

Opponens pollicis action

A

Opposition of pollex (TMC joint)

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22
Q

Opponens pollicis innvervation

Study These Flashcards
A

Recurrent branch of median nerve

23
Q

Abductor digiti minimi insertion

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A

proximal phalanx of 5th digit

24
Q

Abductor digiti minimi action

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A

abduction of 5th digit (MCP joint)

25
Abductor digiti minimi innervation
Deep branch of ulnar nerve
26
Flexor digiti minimi brevis insertion
Proximal phalanx of 5th digit
27
Flexor digiti minimi brevis action
Flexion of MCP joint of 5th digit
28
Flexor digiti minimi brevis innervation
Deep branch of the ulnar nerve
29
Opponens digiti minimi insertion
Medial surface of 5th metacarpal
30
Opponens digiti minimi action
Flexion and medial rotation of 5th metacarpal at CMC joint
31
Opponens digiti minimi innervation
Deep branch of ulnar nerve
32
Lumbricals origin
tendons of FDP
33
Insertion of lumbricals
Extensor expansions
34
Action of lumbricals
Flex MCP joints Extend PIP and DIP joints
35
Innervation of lumbricals
Lateral 2: median nerve Medial 2: deep branch of ulnar nerve
36
Which digits do the lumbricals reach
Digits 2-5
37
Lumbricals pass anterior to ___ and posterior to ___
Anterior to MCP joint Posterior to IP joint
38
How many palmar interossei are there?
3. They go to digits 2, 4, and 5
39
Palmar interossei insertion
Proximal phalanges and extensor expansions
40
Palmar interossei action
Adduction of digits 2, 4, and 5
41
Palmar interossei innervation
Deep branch of ulnar nerve
42
Dorsal interossei insertion
Proximal phalanges and extensor expansions
43
How many dorsal interossei are there?
4. They go to digits 2, 3, and 4. Digit 2 has one on each side.
44
Dorsal interossei action
Abduction of digits 2, 3, and 4
45
Dorsal interossei innervation
Deep branch of ulnar nerve
46
Palmar hand receives cutaneous innervation from _____
Median and ulnar nerves
47
Dorsal hand receives cutaneous innervation from ____
Median, ulnar, and radial nerves
48
The palmar branch of the median nerve innervates the____
Lateral palm
49
The common palmar digital nerve of the median nerve innervates ___
Distal palm
50
The proper palmar digital nerve of the median nerve innervates the ____
Palmar surface of digits 1-3 and lateral 1/2 of digit 4
51
The dorsal branch of the ulnar nerve innervates the ___
Medial dorsum of the hand. Branches from ulnar nerve in forearm
52
The common palmar digital nerve innervates the ____
Medial palm
53
The proper palmar digital nerve innervates the ____
Digit 5 and medial 1/2 of 4
54
Where is the ulnar canal?
Between the pisiform and hook of hamate
Musculoskeletal Anatomy
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