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Kinesiology 3200 Principles of Human Movement > Ch.7 Wrist & Hand Joints > Flashcards

Ch.7 Wrist & Hand Joints Flashcards

1
Q

How many joints involve hand and wrist

A

More than 25

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2
Q

How many bones make up the wrist and hands?

A

29

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3
Q

What are the 29 bones?

A

• Radius and ulna
• 8 carpal bones
• 5 metacarpal bones
• 14 phalanges

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4
Q

Proximal row of carpal bones from radius to ulna side

A

• Scaphoid (boat-shaped/navicular)
• Lunate (moon-shaped)
• Triquetrum (three-cornered)
• Pisiform (pea-shaped)

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5
Q

Distal row of carpal bones from radius to ulna side

A

• Trapezium
• Trapezoid
• Capitate (head-shaped)
• Hamate (hooked)

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6
Q

Most often injured or carpal bones

A

Scaphoid

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7
Q

What fingers have 3 phalanges each?

A

Index, middle, ring finger

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8
Q

Bony landmarks of the humerus and the ulna

A

Humerus
• Medial epicondyle
• Lateral epicondyle
Ulna
• Coronoid process

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9
Q

Movement of radiocarpal joint

A

Flexion, extension, abduction, and adduction

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10
Q

The 3 joints in each finger

A

• Metacarpophalangeal (MCP)
joints
• Proximal interphalangeal (PIP)
joints
• Distal interphalangeal (DIP) joints

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11
Q

2 thumb joints and one of thumb

A

• Metacarpophalangeal (MCP)
joint
• Interphalangeal (IP) joint
• Carpometacarpal (CMC) joint of
thumb

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12
Q

Most common joint in the
body for osteoarthritis

A

Carpometacarpal (CMC) joint
of thumb

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13
Q

Movements of Carpometacarpal (CMC) joint of thumb

A

Abduction, adduction, flexion,
extension

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14
Q

Wrist movement: Movement of palm of hand toward anterior (volar) aspect of forearm

A

Flexion of wrist

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15
Q

Wrist movement: Movement of back of hand toward posterior (dorsal) aspect of forearm

A

Extension of wrist

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16
Q

Wrist movements: Movement of thumb side of hand toward lateral aspect or radial side of forearm
• Radial flexion

A

Abduction of wrist

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17
Q

Wrist movements: Movement of little finger side of hand toward medial aspect or
ulnar side of forearm
• Ulnar flexion

A

Adduction of wrist

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18
Q

Finger movements: Movement of the thumb across the palmar aspect

A

Opposition

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19
Q

Wrist movements: Movement of the thumb as it returns to anatomical position from opposition

A

Reposition

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20
Q

What nerves branches from the brachial plexus innervate wrist and hand muscles?

A

Radial, median, ulnar branch

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21
Q

T/F carpal tunnel syndrome is preventable

22
Q

What are the 3 extrinsic wrist flexors

A

o Flexor carpi radialis
o Flexor carpi ulnaris
o Palmaris longus

23
Q

What are the three extrinsic wrist extensors

A

o Extensor carpi radialis longus
o Extensor carpi radialis brevis
o Extensor carpi ulnaris

24
Q

Phalangeal flexors

A

o Flexor digitorum superficialis
o Flexor digitorum profundus
o Flexor pollicis longus

25
Q

Phalangeal extensors

A

o Extensor digitorum
o Extensor indicis
o Extensor digiti minimi
o Extensor pollicis longus
o Extensor pollicis brevis

26
Q

Phalangeal abductor of thumb and wrist

A

Abductor pollicis longus

27
Q

O&I Flexor carpi radialis

A

• O: humerus
• I: 2nd and 3rd
metacarpal

28
Q

O&I flexor carpi ulnaris muscle

A

• O: humerus and ulna
• I: palmar wrist

29
Q

O&I Palmaris longus muscle

A

• O: humerus
• I: palmar aponeurosis

30
Q

O&I Extensor carpi ulnaris muscle

A

• O: humerus and ulna
• I: 5th metacarpal

31
Q

O&I Extensor carpi radialis brevis muscle

A

• O: humerus
• I: 3rd metacarpal

32
Q

OI EXTENSOR CARPI RADIALIS LONGUS MUSCLE

A

• O: humerus
• I: 2nd metacarpal

33
Q

OI FLEXOR DIGITORUM SUPERFICIALIS MUSCLE

A

• O: humerus, ulna,
radius
• I: phalanges

34
Q

Largest extrinsic flexor

A

FLEXOR DIGITORUM SUPERFICIALIS MUSCLE

35
Q

OI FLEXOR DIGITORUM PROFUNDUS MUSCLE

A

• O: ulna
• I: phalanges

36
Q

OI FLEXOR POLLICIS LONGUS MUSCLE

A

• O: radius, ulna
• I: thumb

37
Q

Weakest extension of elbow

A

EXTENSOR DIGITORUM MUSCLE

38
Q

OI EXTENSOR DIGITORUM MUSCLE

A

• O: humerus
• I: phalanges

39
Q

OI EXTENSOR INDICIS MUSCLE

A

• O: ulna
• I: phalanges

40
Q

OI EXTENSOR DIGITI MINIMI MUSCLE

A

• O: humerus
• I: phalanges

41
Q

OI EXTENSOR POLLICIS LONGUS MUSCLE

A

• O: ulna
• I: thumb

42
Q

OI EXTENSOR POLLICIS BREVIS MUSCLE

A

O: radius
I:Thumb

43
Q

OI ABDUCTOR POLLICIS LONGUS MUSCLE

A

• O: radius and ulna
• I: thumb

44
Q

muscular pad on palmar surface of 1st metacarpal

A

Thenar eminence

45
Q

muscular pad that forms ulnar
border on palmar surface

A

Hypothenar eminence

46
Q

Three intermediate muscles

A

• Three palmar interossei
• Four dorsal interossei
• Four lumbrical muscles

47
Q

Wrist flexion agonists

A

• Flexor carpi radialis
• Flexor carpi ulnaris
• Palmaris longus
• Flexor digitorum superficialis
• Flexor digitorum profundus
• Flexor pollicis longus

48
Q

Wrist extension agonists

A

• Extensor carpi radialis longus
• Extensor carpi radialis brevis
• Extensor carpi ulnaris
• Extensor digitorum
• Extensor indicis
• Extensor digiti minimi
• Extensor pollicis longus
• Extensor pollicis brevis

49
Q

Wrist abduction agonists

A

• Flexor carpi radialis
• Extensor carpi radialis longus
• Extensor carpi radialis brevis
• Abductor pollicis longus
• Extensor pollicis longus
• Extensor pollicis brevis

50
Q

Wrist adduction agonists

A

• Flexor carpi ulnaris
• Extensor carpi
ulnaris

51
Q

Phalangeal flexion agonists

A

• Flexor digitorum superficialis
• Flexor digitorum profundus
• Flexor pollicis longus

52
Q

Phalangeal extension agonists

A

• Extensor digitorum
• Extensor indicis
• Extensor digiti minimi
• Extensor pollicis longus
• Extensor pollicis brevis

Kinesiology 3200 Principles of Human Movement (11 decks)

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