| 摘要 |
A chest expander includes a first handle having two distal ends, a substantially U-shaped tubular housing including a first line and a second line extended from two limb ends thereof and connected to two distal ends of the first handle, a second handle connected between the two limbs of the U-shaped tubular housing, and a load adjusting mechanism being received in one corner of the U-shaped tubular housing allowing a user to adjust the load of the chest expander. The two handles of the chest expander are manually extended and retracted repeatedly via the two lines.
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