跷二郎腿:一条脊柱就像一座大桥,两边有许多吊索,紧紧拉住桥身,以维持桥身的稳固和平衡。脊柱两边的肌肉也是这样,对称牵拉保持平衡。而如果跷起二郎腿,搁脚的一侧背部肌肉长时间处于紧张状态,产生痉挛,脊柱两边的“拉力”不平衡,脊柱不稳定,其上排列的骨头受力不均,就容易出问题。 Jiao Erlang legs: a spine is like a bridge, there are many slings on both sides, tightly holding the bridge body, in order to maintain the stability and balance of the bridge body. The same is true of the muscles on both sides of the spine, symmetrical stretch to maintain balance. And if you siphon your legs and legs, the muscles on your back’s back are long-standing, causing spasms, unbalanced “tension” on both sides of the spine, instability of the spine, uneven stress on the bones arranged on it, problem.