| 摘要 |
An apparatus for isolating the abdominal muscles and effectively loading them during exercise is disclosed. The device supports the user's body in a position which allows for trunk flexion; however, it forces the user's knee flexor and hip extensor muscles to contract, relaxing the hip flexor muscle, and isolating the abdominal muscles. Consequently, the only muscles exercised during the trunk flexion are the abdominal muscles.
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