| 摘要 |
An arm exercising device for strengthening a user's biceps and triceps. The device has an upper arm support platform which is attached to the user's upper arm. The upper arm platform is hinged to a hand driven arm. The hand driven arm holds a handle so that the handle can slide along the hand driven arm as the exerciser pulls and pushes the hand driven arm with respect to the upper arm platform. Friction is provided at a pivot point between these two members so that the user's bicep is exercised during the pulling in of the hand driven arm and the tricep is exercised as the hand driven arm is pushed outwardly. The device can also be attached between a user's chest and an arm and used to exercise deltoid and lateral muscles.
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