"To not have even one milligram of useless muscle, Its the penultimate concentration of muscles!"
― Description of Akisame's physical condition (Kenichi: The Mightiest Disciple)
"Approximately two percent of my body mass is fat. Allow me to show you what 300 pounds of muscle is capable of!!"
― Wilson Fisk/The Kingpin to Spider-Man (Spider-Man: The Animated Series)

The ability to exert 100% of the body's muscular strength, maximizing the user's overall physical strength. Sub-power of Body Supremacy. Physical counterpart of Maximum Brain Capacity.

Also Called

  • 100%/Maximum/Uninhibited Muscle Access/Usage
  • Hero Syndrome (The 8th Son? Are you Kidding Me?)


Users are able to exert 100% of the body's muscular strength, maximizing the capacity, while under normal conditions most humans can only exert around 65%.





  • Users can be overpowered by users of Supernatural Strength (some users more easily than others, due to the varying levels of Supernatural Strength).
  • May not be on the level of Supernatural Strength.
  • With extended use, maximally exerting one's muscles may eventually damage and deteriorate their musculoskeletal system.
  • When used carelessly, it may cause damage to the user's musculoskeletal system from the sheer pressure exerted by their muscular output.
  • 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
  • Unnamed Lieutenant (Akame ga Kill!); via Balzac
  • Hyperadrenal Alphas (Alphas)
  • Gyanza Rujike (Black Cat)
  • Teru Sakurada (Castle-Town Dandelion); via Limit Over
  • Frieza (Dragon Ball Z)
  • Master Roshi (Dragon Ball Z)
  • Users of Super Saiyan Third Grade (Dragon Ball Z)
  • The Winter and Summer Knights (The Dresden Files)
  • Shizuo Heiwajima (Durarara!)
  • Wilmal Etol Von Asgahan (Hachinan tte, Sore wa Nai Deshou!)
  • Practitioners of the Hokuto Shin Ken/Big Dipper God Fist (Fist of the Blue Sky/Fist of the North Star)
  • Practitioners of the Hercules Method (The Strange Talent of Luther Strode)
  • Griffin Grey (The Flash)
  • Accomplished users of "Removal" from the Kure Clan (Kengan Ashura/Omega)
    • Raian Kure
  • Akisame Kōetsuji (Kenichi The Mightiest Disciple)
  • Ayumu Aikawa (Kore wa Zombie Desu ka?)
  • Hakuryuu Ren (Magi the Labyrinth of Magic); via Zagan and Belial's Metal Vessel
  • James Logan Howlett/Wolverine (Marvel Comics)
  • Muscular (My Hero Academia)
  • Users of the Eight Gates (Naruto)
    • Might Dai
    • Might Guy
    • Rock Lee
    • Kakashi Hatake
  • Ikki Kurogane (Rakudai Kishi no Eiyutan); via Ittou Shura/Ittou Rasetsu
  • Date Omito (Sakigake Otokojuku)
  • Rea Sanka (Sankarea)
  • Mou Bu (Kingdom)
  • Younger Toguro (Yu Yu Hakusho)


  • 100% muscle usage is different from peak human strength in that it has little relation to actual muscle mass. While having denser muscle mass does increase one's overall strength, someone of average physical strength who uses 100% of their muscular capability may be capable of overpowering someone with Peak Human Strength (who would be using the normal percentage).
  • In some verses, using 100% of one's muscular strength can increase one's physical capabilities a hundredfold, but at the same time, it could cost a person their life.



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