As you'd imagine, drinking a daily glass of water became automatic very quickly but doing 50 sit-ups before breakfast required more dedication (above, dotted lines). The researchers also noted that.
你可以想象得到,每天喝杯水形成自动性是很快的,而在早餐前做50个仰卧起坐则需要付出更多努力(上图,虚线)。
Recording simple Numbers such as the number of push-ups, sit-ups or speed you can run can help you see that the exercise is making you stronger and faster.
记录俯卧撑、仰卧起坐或是跑步速度等简单的数值,都会让你发现体育锻炼是如何使你变得更强更快的。
Whether or not they provide you with precisely the physique or fitness you desire, could sit-ups bring unintended consequences such as back pain?
不管仰卧起坐是否真的能助你实现你想要的体格或健身效果,它们有可能带来意想不到的后果,如背部疼痛。
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