China commercial fitness Biceps Curl MWH-011
Four-bar linkage make sure that transfer the load to users so that improve the feeling of training
The horizontal bar is designed to be balance reduce the weight of its own.
The load situation reflects the physical strength curve of the elbows.
To ensure the correct exercise method, make the cushion of protecting chest in proper position.
The position of the handle is placed so that the arm can be rotated slightly so as to avoid heavy load on the waist.