7,2 kilogram right hand 20 cent coin lateral pinch grip lift with a bend arm.
6,7 kilogram right hand, 20 cent coin lateral pinch grip lift with a straight arm.
RB 100 hand gripper inverted closes with the right hand and without setting for 6 times.
RB 100 hand gripper inverted closes with the left hand and without setting for 6 times.
Fighting sports Defense training and forearm toughening 4.
Toughening the sides of my fists 4.
MMA training 2019 Left elbows 2.
Power training Contracting as many muscles as hard as possible 17. Jef Koelewijn
Power training Contracting as many muscles as hard as possible 15. JK
JK power training Contracting as many muscles as hard as possible.