In fact, the hydraulic stretchpress was also second-hand equipment made in 1983, and the technology used is not advanced.
实际上，这种橡皮囊压力机是1983年制造的，已是二手设备，技术并不先进。
2
Stretch your arms out parallel to the edge of the blanket and turn them outward so the fingers press against the floor (and the thumbs point behind you).
向外伸展手臂与垫子边缘平行，旋转手臂向外手指压向地板（大拇指指向身体后侧）。
3
Press the big toe of the front foot against the wall and stretch your arms up, finger tips to the wall.