對身體有衝擊性的運動最好,無非是蹦跳。落地輕姿勢好不會傷膝蓋。run in place, long jump, side jump, box jump, knee tuck jump, rope jump, high knee...
健身的好處是全身鍛煉。不是胳膊疼了煉胳膊,腿疼了治腿