SPORTSTECH VP300 Manual Del Usuario página 35

Level 3
knee up
With your legs together, sit straight and put
your hands on the back with deep breaths.
Put your knees to your chest and put them
down.
Repeat this motion slowly.
gymball knee up
Sit on the device and put your feet on gymball. Hold position with your hands and straighten
your legs. Without moving your upper body, put your knees up to your chest and down.
Using gymball for abdomen exercise
짐볼