双脚分开与肩同宽，双臂抱着婴儿。保持背部挺直，重复深膝弯曲。
Standing with feet shoulder-width apart and cradle baby with both arms. Keeping a straight back and repeat deep knee bends.
保持背部挺直，向上推你的手臂直到手臂伸直。
Keeping your back straight, push up with your arms until your arms are extended.
保持背部挺直，可以预防伤害。
深蹲至最低位置，脚跟贴紧地面，背部挺直。
Squat down as low as you can, keeping your heels on the ground and your back straight.
屈膝，保持背部挺直。
双脚分开站立，与肩同宽，缓慢下蹲，背部挺直。
Standing straight with your feet shoulder-width apart, slowly lower your body, back straight.
他解释说，倒退行走能帮助人收缩腹部，并且能保持背部挺直。
He explained that walking backward forces the tummy in and the back straight.
禅坐姿势的最大要点是要保持背部挺直如箭，或如一堆金币。
The most essential point of the meditation posture is to keep the back straight, like "an arrow" or "a pile of golden COINS".
所以我首先要求大家舒适地坐下，双脚放在地面，背部挺直。
So I'm going to ask you to sit down, get comfortable, get your feet on the floor, and have your back straight.
Pitchford指出许多种错误动作： “你应该保持背部挺直，膝盖不应该向前超过支撑腿。
Pitchford points out several form faults: "You want to keep your back straight and not allow the knee to drift forward ahead of the stance leg.
他们从他们的腰背部挺直和拱起，这些都会造成神经性的伤害(有些从暂时的伤痛变成永久性的伤害)因为腰背承受着所有的压力。
They straighten and arch upward from their lower back, which has a nervous breakdown [anything from soreness to more permanent injury] because it's getting all the stress, "says Price."
试着不要倚靠任何东西，挺直你的背部。
Try not to lean against anything and straighten out your spine (back).
挺直上升这样将开始拉长你的腿，使你的躯干变长同时避免上背部任何的拖沓。
Keep the length in your spine and begin to elongate over your legs, spreading your torso long and avoiding any rounding in the upper back.
许多田径教练将这一理想身姿描述为“跑得高挑”，意思是您跑步时需要将身体伸展至您的最大身高，背部舒服地挺直。
Many track coaches describe this ideal torso position as "running tall" and it means you need to stretch yourself up to your full height with your back comfortably straight.
保持背部的挺直，头转向目标，伸直你的持弓臂，同事保持肘部的放松。
Keep your back straight, head up and turned towards the target, and straighten your bow arm, but keep the elbow unlocked.
保持背部的挺直，头转向目标，伸直你的持弓臂，同事保持肘部的放松。
Keep your back straight, head up and turned towards the target, and straighten your bow arm, but keep the elbow unlocked.
应用推荐