Phase | Component | Sub-component | Description |
---|---|---|---|
Orient | Orient | A | Eyes locate target prior to movement of head/reach |
B | Eyes disengage target at tactile contact | ||
Transport | Lift | A | Initial hand lift due to flexion of the elbow |
B | Digits semi-flex | ||
C | Hand supinates approximately 30 degrees | ||
D | Tips of digits are brought towards the midline of the body | ||
Advance | A | Hand takes shortest path to target | |
B | Hand stops directly above the target | ||
C | Trunk leans to the side opposite the reach | ||
Pronation | A | Digits open and extend over the target | |
B | Knuckle on reaching hand form horizontal line | ||
C | Elbow opens to full arm length as participant reaches | ||
Grasp | Grasp | A | Thumb and index finger/proper grasp for target size/shape |
B | Wrist extends to lift target from platform |