Fine motor (week 4) Flashcards

1
Q

The function of the hand: Prehensile

A

(grasp/capture)

  • Shape itself around objects
  • Shape itself on top of surfaces
  • Accommodation (Erhardt)
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2
Q

Function of hand: Non-prehensile

A

Pushing, lifting with whole hand

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3
Q

Function of hand: Perceptual

A

Haptic sense
Active touch
Stereognosis

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4
Q

Motor requirements for hand function

A
  • Dynamic palmar arches
  • Combined movements of wrist and forearm
  • Reach
  • Weight bearing and proximal stability
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5
Q

Motor tracks: Brainstem

A

posture and proximal control

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6
Q

Motor tracks: reticulospinal tract

A

Pontine, reticulospinal connections. Exert generalized inhibition of muscles in body.

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7
Q

Motor tracks: Vestibulospinal tract

A

Muscle tone, postural control, adjustment, stability and balance, extensors

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8
Q

Motor tracks: Rubrospinal tract

A

(Red nucleus)

-Spinal flexors

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9
Q

Motor tracks list

A

Brainstem, reticulospinal tract, vestibulospinal tract, rubrospinal tract

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10
Q

Cortex

A

Related to precision, speed, and isolated distal movements (Corticospinal/pyramidal)

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11
Q

Sensory tract: Dorsal column medial lemniscus (DCML)

A

Touch, vibration, 2-point discrimination and proprioception

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12
Q

Sensory tract: Anterolateral/Spinothalamic tract

A

Pain and temperature

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13
Q

Bones in hand

A

27

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14
Q

Extrinsic muscle feature

A

Muscle bellies are in forearm

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15
Q

Intrinsic muscle features

A

Distal to wrist joint, originate in hand, form arches of hand

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16
Q

Palmar arches types

A

Transverse
Longitudinal (proximal and distal)
Oblique

17
Q

Grasp types with no thumb opposition

A

Hook
Power/palmar
Lateral pinch

18
Q

Grasp type with thumb opposition

A
Fine pincer/tip pincer
Pincer 
Tripod
Cylindrical
Spherical
19
Q

Development of grasp

A

Grasp of dowel
Grasp of cube
Grasp of pellet

20
Q

Development of release

A

Release of dowel or cube

Release of pellet

21
Q

In-hand manipulation definition

A

The process of using one hand to adjust an object for more effective object placement in that hand prior to release

22
Q

In-hand manipulation categories

A

Translation
Shift
Rotation

23
Q

Translation in-hand manipulation

A

Finger to palm

Palm to finger

24
Q

Shift in–hand manipulation

A

Occurs at the fingers and thumb pads with alternation of thumb and finger movements

25
Q

Rotation in-hand manipulation

A

Simple rotation

Complex rotation

26
Q

In-hand manipulation begins when?

A

Around 18 months

27
Q

In-hand manipulation fully developed?

A

by 7 years

28
Q

When do the greatest number of manipulation skills emerge?

A

Between 2 and 2.5 years old

29
Q

Treatment NDT three steps

A

Inhibit (spasticity and primitive reflexes)
Facilitate (Normal movement patterns, postural alignment)
Sensory input (Deep pressure. Weight bearing)

30
Q

Development of scissor use

A
  1. Shows interest
  2. Learns to hold open and close.
  3. Single snips at edge of paper
  4. Snips with forward motion (may not have force modulatioN)
  5. Lines, simple shapes
    (2. 5-3 years)
31
Q

Hand development in down syndrome

A

Hands 10-30% shorter
Only 23 bones
Bones slender and short and have poor calcification
Middle phalanx of 5the digit is small or absent (curved inward)
Crease 2 and 3 merged as one
Weak intrinsic muscles.

32
Q

Hand development in CP

A

Spasticity: prolonged grasp reflexes, fisted hands, abnormal flexor pattern.
Flaccidity: Weak extrinsic and intrinsic muscles

33
Q

Joint protection strategies

A

Scar management
Edema
ROM