Explain why isokinetic exercises cannot generally be preformed by individuals at home

Isokinetic exercises are generally done with the help of machines of some kind, these machines move and work at a constant rate of speed in varying motions that the average human cannot do without extreme practice. Even if one can, it can only be done within short burst, because by itself the human body cannot go at a constant high rate of speed or force without risking injury.

True, using a pedometer can promote a physically active lifestyle.