a) Simple structure with small use area. It greatly reduces the floor area while ensuring stability.

b) Bended the pedals to do calf training.

c) The starting handle is matched with the spring to automatically rebound. After the user starts the handle, the support structure in the middle will automatically rebound and remain within the controllable range of the user’s hand.

d) The rounded corner of the shoulder pad is more ergonomic and makes the user’s shoulder fit better.

e) Double Angle shoulder pads prevent the user’s shoulders from sliding on the shoulder pads.

f) The starting height can be adjusted to meet the needs of users of different heights.