A trapeze bar provides youngsters with the exercises necessary to build upper arm and abdominal strength, power they'll need to swing across those bars.

吊架能够让他们在玩的同时，练习臂力和腹力，这两种力量在玩吊架时都是必须的。

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The exercise therapy group received a home program focusing on pain contingent training of back, abdominal, and leg muscle functional strength and endurance, stretching, and cardiovascular fitness.

锻炼疗法组接受家庭治疗方案，针对背部、腹部和腿部肌肉力量和耐力，伸展，和心血管健康锻炼所致的疼痛。

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Functions: To enhance the human upper limb muscle and abdominal muscle strength and improve the coordination of physical.

功能：增强人体上肢肌肉群及腹部肌肉力量，提高身体的协调能力。

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Since keeping the ball stable requires abdominal strength and concentration, distracted workers may not maintain good posture or end up rolling onto the floor.

WSJ: Workstations to Help You Get Fit Have Risks Too