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Kinesiology Exam Two > Architecture Of The Hand > Flashcards

Architecture Of The Hand Flashcards

1
Q

The hand is a ____ organ; it is an organ with ______; and it is a _________ organ.

A

motor; specialization; sensory

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2
Q

T/F: The hand and brain are an inseparable, interacting functional pair

A

True

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3
Q

The thumb Trapezio-Metacarpal joint is also know as the ____ joint

A

CMC joint (carpal-metacarpal)

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4
Q

The CMC (TMC) joint is a ____ joint

A

Saddle joint

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5
Q

the CMC (TMC) joint as __ degrees of freedom. Name the motions at this joint

A

two degrees of freedom

motions: flexion/extension; abduction/adduction

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6
Q

____ muscles help stabilize the thumb in all planes

A

Thenar muscles

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7
Q

The thumb metacarpophalangeal joint (MP) is a _____ joint

A

condyloid

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8
Q

the thumb MP joint has ___ degrees of freedom. Name the motions at this joint

A

two degrees of freedom

motions: flexion/extension; abduction/adduction

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9
Q

Name the four stabilizing structures of the thumb MP joint

A
  1. volar plate
  2. ulnar and radial collateral ligaments
  3. Medial sesamoid bone
  4. Lateral sesamoid bone
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10
Q

This structure allows proximal phalanx to smoothly flex over the metacarpal; when joint is in extension, it is check rein for extension

A

Volar plate

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11
Q

These arise from bone and are made of thickened collagen tissue; they arise from one bone and attach to another bone; strengthen capsule; limit the amount of joint motion

A

collateral ligaments

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12
Q

Thumb MP joint medial sesamoid attachment:

A

adductor pollicis muscle

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13
Q

Thumb MP joint lateral sesamoid attachment:

A

abductor pollicis and flexor pollicis brevis

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14
Q

Thumb Interphalangeal joint (PIP joint) is a ____ joint

A

Simple hinge joint

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15
Q

the thumb PIP joint has __ degrees of freedom. What motions does this joint have?

A

one degree of freedom

motion: flexion and extension

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16
Q

Digits metacarpophalangeal (MP) joint is a ___ joint

A

condyloid joint

17
Q

Digits MP joint has __ degrees of freedom. Name the motions at this joint.

A

Two degrees of freedom

Motions: flexion/extension; abduction/adduction

18
Q

Name the five things that stabilize the digit MP joint

A
  1. deep transverse metacarpal ligament
  2. volar plate
  3. collateral ligaments
  4. A-1 pulley
  5. Sagittal band fibers of extensor hood
19
Q

This structure is attached to adjacent metacarpals (joint capsule); they border the volar plates; stabilize the relationships of the metacarpals but allows some movement of one metacarpal to another

A

Deep transverse metacarpal ligament

20
Q

This is what flexor tendons course through on the way to their insertions

A

A-1 pulley

21
Q

Digit Interphalangeal joints (PIP and DIP) are __ joints

A

simple hinge joints

22
Q

Digit PIP and DIP joints have __ degrees of freedom. Name the motions at this joint.

A

One degree of freedom

Motion: flexion and extension

23
Q

Name the two stabilizers of the Digit PIP and DIP joints

A
  1. volar (palmar) plate

2. collateral ligaments

24
Q

The four units of the hand have one ____ ___ unit, and three ___ units that project from the fixed unit

A

one central fixed unit and three mobile units

25
Q

These help us adapt our hands to the task to be performed

A

Arches of the hand

26
Q

Name the three arches of the hand

A
  1. Transverse
  2. Longitudinal
  3. Oblique
27
Q

What provides the blood supply to the hand?

A

Radial and Ulnar arteries

28
Q

What artery supplies the superficial palmar arch?

A

ulnar artery

29
Q

What artery supplies the deep palmar arch

A

radial artery

30
Q

Carry deoxygenated blood to cephalic and basilica veins

A

veins

31
Q

superficial and deep; structures that absorb excess interstitial fluids and transport them proximally through lymph system

A

lymphatics

32
Q

Nerve supply to the hand: sensation

A

Median, ulnar, and radial nerves

33
Q

____ branch of the radial nerve is a sensory nerve only

A

superficial branch

34
Q

Nerve supply to the hand: motor

A

median, ulnar, and radial nerves

35
Q

T/F: Having the same therapist always taking the ROM measurements increases the validity of the results.

A

True

36
Q

T/F: There is a significant difference with ROM measurements between the right and left hands

A

False- there is no significant difference; can use the opposite side to find “normal” for affected side

Kinesiology Exam Two (8 decks)

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