Instructions
- grasp the ends of a towel with one hand
- sit down on the chair
- put one foot into the sling of the towel
- keep the back straight
- bend the arm and pull the hand up against the resistance, guide it to the shoulder
- the upper arm remains inactive and close to the torso
- make sure that you do not arch the back and that your sight goes straight ahead
- take the tension off the arm and come back to the starting position
- repeat several times
- switch the sides and do with the same number of repetitions
Tip for the workout
1)alternatively you can choose to do an isometric training
2)the foot sticks to the ground consequently
3)hold the position for 10-20 seconds