Capacity, Capability, and Performance: Different Constructs or Three of a Kind?

OBJECTIVES: The present study focused on motor activities of young children with cerebral palsy (CP) and examined the relation between motor capacity (what a person can do in a standardized, controlled environment), motor capability (what a person can do in his/her daily environment), and motor performance (what a person actually does do in his/her daily environment). DESIGN: The relations between motor capacity, motor capability, and motor …