Jeffrey Koelewijn

Power training Contracting as many muscles as hard as possible 18

Power training Contracting as many muscles as hard as possible 19

15 KG plate lateral pinch grip lift with the left hand

12,5 KG hexagonal dumbbell pinch grip front raise hold for around 1,5s

13,25 KG lateral pinch grip lift with right with an 8mm thick block and a straight arm

15 KG plate lateral pinch grip lift and hold with the right hand

Darts throwing trainings video

Downwards throwing training outside, in the Dutch outdoors

Airsoft dual wielding target shooting practise with two handgun replica's

4,1 KG forwards wooden sledgehammer levering with the left and arm

Breaking three medium sized match sticks and then breaking two small ones

Old time strongman breaking a match stick with the right hand and with the left hand

Claw strikes into sand

Sand spearing

RB100 setting and around 2,3 cm, inverted closes x 14

Slow sand spearing

15 KG + 1.19 KG hexagonal dumbbel pinch grip lift and hold with right for around 22s

15 KG + 1.19 KG hexagonal dumbbel pinch grip lifts with left x 5

Bashing, hitting my abs with my forearms 2019 part 12

15 KG hexagonal dumbbell pinch grip lift and hold for around 10s with the left hand

JK chest beating 2019 part 37

JK chest beating 2019 part 36

JK chest beating 2019 part 35

MMA ground and pound training Two handed hammer fists into the sand 3

MMA ground and pound training Punches and hammer fists into the sand 4

MMA drop hammer fist into the sand

7,2 kilogram right hand 20 cent coin lateral pinch grip lift with a bend arm

Old time strongman JK bending a 5,5 x 140 mm nail for only one part

6,7 KG 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 x 6