| 摘要 |
The disclosed device is an oscillating exercise device for strengthening of the muscles comprising the shoulder and the torso. The device is held in the user's hand and moved in an oscillating manner to simulate a sports specific movement or for muscle strengthening. The device is composed of a tube with internally threaded ends, detachable, threaded end caps, hinged clamshell handle, weight mass and elastic resistance bands. The end caps house springs that extend into the tube when screwed to the ends of the tube. The weight is of a diameter such that it may travel freely along the inner length of the tube, yet closely matched to the inner diameter of the tube such that significant air compression occurs in front of the moving weight. The generated air compression slows the velocity of the traveling weight and reduces the shock of the weight when it impacts the springs at the tube ends. An attachable handle allows for improved simulation of sports specific throwing motions. The elastic resistance bands attach to the tube by way of the clamping handle unit and provide directional resistance during sports related training exercises.
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