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100 Percent Muscle Usage

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The ability to use 100% of the body's muscle mass, increasing the user's strength. Sub-power of Body Supremacy. Opposite of Maximum Brain Capacity, Variation of Peak Human Strength.

Also Called

  • Uninhibited Muscle Access/Usage


Users are able to completely use every muscle in their body, while under normal conditions most humans use only 20-30%. Even chimps can be 4-5 times stronger than the average human because they can use every muscle in their body. This is because their body structure allows them to do so.



  • Users can be overpowered by users of Supernatural Strength (Some users more easily than others, due to the varying levels of Supernatural Strength).
  • Is not Supernatural Strength.
  • With extended use, using the full power of ones muscles would eventually burn them out completely.
  • When used carelessly, it can lead to someone breaking their own bones from the sheer pressure exerted by the muscles.
  • May accelerate lactic acid build-up, tiring the user faster.

Known Users

See Also: Uninhibited Muscle Power.

  • Acqua of the Back (A Certain Magical Index); via Divine Mothers Mercy
  • Gyanza Rujike (Black Cat)
  • Teru Sakurada (Castle-Town Dandelion); via Limit Over
  • Frieza (Dragon Ball Z)
  • Users of Super Saiyan Third Grade (Dragon Ball Z)
  • The Winter and Summer Knights (The Dresden Files)
  • Shizuo Heiwajima (Durarara!)
  • Hokuto Shinken Users (Fist of the North Star)
  • Akisame Kōetsuji (Kenichi The Mightiest Disciple)
  • Ayumu Aikawa (Kore wa Zombie Desu ka?)
  • Wolverine/James Logan Howlett (Marvel Comics)
  • Might Duy (Naruto)
  • Might Guy (Naruto)
  • Rock Lee (Naruto)
  • Kakashi Hatake (Naruto)
  • Date Omito (Sakigake Otokojuku)
  • Rea Sanka (Sankarea)
  • Younger Toguro (Yu Yu Hakusho)
  • Griffen Grey (The Flash)
  • Ikki Kurogane (Rakudai Kishi no Eiyutan); via Ittou Shura/Ittou Rasetsu
  • Hakuryuu Ren (Magi the Labyrinth of Magic); via Zagan and Belial's Metal Vessel.


  • 100% muscle usage is different from peak human strength in that it has little to no relation to actual muscle mass. While having more muscle mass does increase the overall strength, someone of average physical strength who uses 100% of their muscle capability could overpower someone with Peak Human Strength (who would be using the normal percentage).
  • In some verses, using 100% of your muscle can increase your physical capacities a hundredfold, but at the same time it could cost you your life.


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