Actions of the sitting leg extension trainer:
1. Sit on the instrument and adjust it to the correct positionposture. The boom pad should be placed on the lower part of the tibia, but don’t touch your ankles. Adjust the seat so that the pivot point is at in line with the knee. Choose the right weight according to your weight ability.
2. When exhaling, stretch your legs with your quadriceps as much as possible. Make sure that the rest of the body remains on the seat. Keep in the position of muscle tension for 1 second.
3. When inhaling, slowly reduce the weight to the original position.
4. Repeat the operation to the recommended number of repetitions
