動的ストレッチャー・股関節タイヤ付き｜FDS-900KKSW

这是一种用于提高股关节灵活性的训练设备，通过矫正骨盆位置来优化动态拉伸效果，支持无段阶负重调整和自由度扩展。

• The description claims that using this device can improve flexibility, stability of swing and pitching form, agility in defense and running, and reduce the risk of injury.
• The description claims that it prevents the pelvis from tilting backward during stretching, concentrating the load on the deep part of the hip joint.