It focused attention on core postural muscles that help keep the body balanced and provide support for the spine.

那能集中注意力在帮助维持人体平衡及提供脊椎支撑力的核心姿势肌上。

Thank you. Not necessary. We know everything there is to know about kissing. It requires 34 facial muscles and 112 postural muscles.

谢谢 没有必要 我们已经掌握了关于接吻的所有细节 接吻需牵动34条面部肌肉和112条姿势肌。