| 摘要 |
A physical training apparatus having at least one load member for engagement with and movement by an individual throughout a predetermined range of movement. A variable clutch device selectively applies torque from a motor to the load member. A load, having a magnitude which corresponds with the magnitude of torque applied to the load member, is applied to the individual by the load member. A sensor detects the position and direction of movement of the load member. A digital processor, connected to the sensor, controls the magnitude of torque applied to the load member by the clutch as a function of the location and direction of movement of the load member relative to the predetermined range of movement.
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