1, vertical stretching equipment? Horizontal bar, the key point of action is to hold the horizontal bar with both hands, and then stretch the whole body upward with the strength of the arm until the head crosses the horizontal bar line, and then slowly let the body droop naturally.

2. Vertical stretching equipment? D-shaped handle, keeping one arm in a natural state, is conducive to maintaining the balance of the body. Hold the D-shaped handle tightly with the other arm, and then pull down to keep the elbow joint in contact with the body, with the center of gravity down, but don't twist your body and keep your back upright.

3. Horizontal stretching equipment? Rope, put your feet on the front pedal, hold the rope with both hands, then keep your back upright, pull the rope back to make it close to your chest, and then slowly move forward.

4. Horizontal stretching equipment? Barbell, this action should keep the back upright, then hold the barbell with both hands and drop naturally, pull the barbell vertically to the abdomen, and then slowly put it down.