This exercise helps you to maintain quadriceps strength.
这练习帮助你保持四头肌力量。
The quadriceps muscle brings your knee into full extension.
四头肌肌肉让你的膝进入完全的延长。
The quadriceps at the front of the thigh straightens the knee.
大腿前侧的股四头肌使膝关节伸直。
The quadriceps along the front of the thigh straightens the knee.
股四头肌和大腿前侧使膝盖伸直。
It is a very good exercise machine for keeping your quadriceps strong after surgery.
它是一部在术后保持股四头肌强壮的非常好的练习机器。
For that reason, full extension of the knee and active quadriceps exercises were avoided.
出于这个原因，被避免做充分延长膝关节和股四头肌主动练习。
They point out, however, that strengthening the quadriceps could prevent further damage.
不过，他们确知的事是，加强大腿股四头肌的力量，可减低关节进一步受损的机会。
They point out, however, that strengthening the quadriceps could prevent further damage.
不过，他们确知的事是，加强大腿股四头肌的力量，可减低关节进一步受损的机会。
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