pelvic relaxation

例句：

1. 1. During childbirth, pelvic relaxation is crucial for the mother's comfort and recovery.
   分娩期间，骨盆松弛对母亲的舒适和康复至关重要。
2. 2. Pelvic relaxation exercises are often recommended for women to improve their posture and preventback pain.
   推荐女性进行骨盆放松练习，以改善姿势并预防背痛。
3. 3.The therapist instructed her to relax her pelvic muscles during the massage.
   治疗师指导她在按摩时放松骨盆肌肉。