Table 1 Movement components and their definition
From: Arm hand skilled performance in cerebral palsy: activity preferences and their movement components
Movement component | Definition |
|---|---|
Positioning the upper extremity | Maintaining a fixed position of the shoulder, arm and/or hand in space. |
Reach | Intentional movement of the arm towards an object |
Grasp | To make a motion of seizing, snatching or clutching |
Hold | Keep an object in a fixed position in the hand without external support |
Release | To free an object from grip |
Manipulate | To skilfully control the position of an object using the fingers |
Push/Pull/Shove | To apply force against an object with the intention to move or stabilize |
Displace/Lift | Moving an object without the object being in contact with a surface in the environment |
Fixate | To stabilize an object against a surface |
Other | Other movement components not covered by the abovementioned movement components |