triceps extension exercise machine with a mobile user stand

摘要

It is an exercise machine for performing triceps extension exercises, including a mobile user support that supports the user in a sitting position. The exercise machine includes a binding set that allows the user support to tilt as the user performs a triceps extension exercise. As the user extends his arms from the exercise start position to the exercise end position, the user support frame? and then the user's trunk? progressively reclines backwards. The user's natural reaction to this feeling of reclining is to move his head forward, which encourages the user to plant his lower back firmly in a stable position against the backrest cushion and, in turn, reduces the risk of injury associated with arching. lumbar spine.