| 摘要 |
<p>An apparatus for exercising the arm muscles of the human body, whereby the apparatus comprises a base with an inclined working surface mounted above it, whose height is adjustable and which is adjoined on both sides by means of sleeves by shafts, which shafts are so mounted on the base as to be rotatable about their long axis against resistance and which are provided at their top above the working surface with transversely attached hand grips by means of which the shafts can be loaded with a torque on their long axes.</p> |
