Do some pushups, squats and lunges instead of sitting around all day.
做俯卧撑、下蹲和弓步，而不要整日坐着。
Small duffel bags with handles can be filled with books and used for lower body exercises like squats, lunges and deadlifts.
有手柄的小行李袋可以装满书并用来做下肢锻炼，如下蹲、弓步和提举。
Doing drills once or twice a week that emphasize aspects of good running form, such as high knees, fast feet and lunges, will keep your stride more open and flowing.
每周进行1~2次跑步姿势的强化训练，比如高抬腿、快速冲刺等，可以让你步子拉得更大，更流畅。
You are perfectly OK doing exercises such as squats and lunges without weights.
你完全可以做一些没有重量的运动，如下蹲和弓步。
Squats, lunges, calf raises, anything will do as long as it exercises your legs.
下蹲，弓步，提踵，只要能锻炼腿部，任何动作都可以。
Squats, lunges, calf raises, anything will do as long as it exercises your legs.
下蹲，弓步，提踵，只要能锻炼腿部，任何动作都可以。
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