A man exercising with the chair leg machine.
A man exercising with the extensor shoes.
A man exercising with the flexor shoes.
A man exercising with the leg rotating machine
A man exercising with the short inclined plane. This device is used for leg exercises.
A man exercising with the stirrup. This device is used for leg exercises.
A man exercising with the treadles, the predecessor to the treadmill.