One of the hardest bodyweight workout for core and upper body with XUpTrainer. Best for athletes and sportsmen to improve their core and strength.
Single exercises: core - side
single handle: waist, seat: knees
Great exercise for lower chest and side core in one row. Challenging and effective one.
Save your time - strengthen your core and biceps in one row.
One of the best total body exercise, which can be done only with XUpTrainer. Strengthen most of your muscles in one row.