单词swiss-ball
网络: 瑞士球；平衡球；抗力球
Start in pushup position, but with your shins on a Swiss ball.
以俯卧撑姿势开始，使小腿胫骨位于平衡球上。
Lie on a Swiss ball with your knees bent and feet flat on the floor.
人体卧于瑞士健身球上，两膝弯曲，足平放于地面。
Start as shown with the arms extended, back flat, legs fully extended and the balls of the feet on the Swiss ball.
开始动作如图所示：两臂伸直，背部保持平直，两腿充分蹬伸，脚掌置于健身球的球体之上。