| 摘要 |
A resistance exercise device comprising a first elastic resistance member, a knee attachment having a first attachment mechanism for attachment to said first elastic member and a second attachment mechanism for attachment to a user's distal thigh, a foot attachment having a first attachment mechanism for attachment to said first elastic member, a second attachment mechanism for attachment to a user's distal foot, in which one of the attachment mechanisms for attachment to the first elastic member provides a variable length attachment; and in which the exercise device is configured and arranged to provide an upwards force on the user's foot when worn by a user.
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