The strength of triceps brachii is insufficient. The following are the specific methods of prisoner fitness.

Push-ups /tushoujianshen/203.html

Upward tilt push-ups /tushoujianshen/204.html

Knee push-ups /tushoujianshen/205.html

Half push-ups /tushoujianshen/206.html

Standard push-ups /tushoujianshen/207.html