5021 / 5121
5021 in soft surface
5121 on concrete
Instructions:
-Place your feet underneath the bar
-Curve your torso and tighten your abs
-come up shortly and lift your upper body from the bench
5121 on concrete
Instructions:
-Place your feet underneath the bar
-Curve your torso and tighten your abs
-come up shortly and lift your upper body from the bench
Abdomen
Sports person
Strengthen core muscles
Teenagers
