24-year old Yusuke Nakamura has just been certified on the Captains of Crush No. 3 gripper, the best known benchmark for world class grip strength, but not content to stop there, he said “I will try No. 4 certification in future and succeed [with] it.”


The Captains of Crush No. 3 gripper was no match for 177 cm (about 5’ 9-1/2”) and 85 kg (about 187 lb.), Yusuke Nakamura, who has been training grip strength since he was 10 years old.  IronMind® | Photo courtesy of Yusuke Nakamura.


“I began to train my grip strength when I was 10 years old and have been training for 14 years,” Nakamura said.  “When I was 16 years old, I closed No. 3 CoC Gripper for the first time.  I have done 100 pushups with only thumbs.

Presumably measured on a hand dynamometer, Nakaumura said, “When I was 18 years old, my grip strength exceeded 100 kg (220 lb.) and now [is] over 120 kg (264 lb.).  My personal best [on the] Rolling Thunder is 100 kg (220 lb.).  I’m also doing block weight training.”

Longterm dedications pays off: Congratulations to Yusuke Nakamura—your name has been added to the official Captains of Crush No. 3 gripper certification list—and many thanks to Mitchell Troop for serving as the referee on Yusuke Nakamura’s official attempt to close the CoC No. 3.

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