Fine & gross Motor Control of the Hand

Question 1

Recovery Pattern for Fine Motor Control of the Hand?

Answer 1

Reach -> Grasp -> Release -> Manipulation

Question 2

Pre-requisites to fine Motor Skills?

Answer 2

Motor control
Sensation
Feedback

Question 3

Nerve distribution?

Answer 3

Power grasp = ulna side (back of hand)
Precision = radial side (thumb & first finger & half)

D4 & D5 (ring finger & little finger) only used for whole hand activity

Question 4

3 things needed for unconscious Fine Motor Control?

Answer 4

• Postural mechanisms
• Selective movement
• Coordination

Eg) To be able to hold a pencil we are using a lot of posture adjustments

Question 5

The 4 Phases of Grasp?

Answer 5

• Opening
• Approaching (using feed-forward)
• Finger positioning (after contact, using feed-back)
• Static Grip

Question 6

Tests for Manual Dexterity?

Answer 6

Purdue Pegboard Test

Box & Block Test