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Type IIx muscle fibers

There is 1 paper on type IIx muscle fibers in aging research: 1 observational study in people.

Biomarker

1 paper studies it4 more mention it2 findings

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“an association between handgrip strength and type IIx fibers in men”
Differences in Type 2 Fiber Composition in the Vastus Lateralis and Gluteus Maximus of Patients with Hip FracturesEndocrinology and metabolism (Seoul, Korea)2024doi:10.3803/enm.2024.1935
  • Humans1

Interventions

1

Heavy resistance training

downin humans1

1 study

  1. Heavy resistance training decreases type IIx muscle fibers in humans (4.7%±1.4% vs 12.3%±3.0%, ES: 0.99).

    “However, the percentage of type IIX fibers was significantly lower in HRT than in CON (4.7%±1.4% and 12.3%±3.0%, respectively) (p<0.05, ES: 0.99).”

    Human trialone yearn = 20

    One Year of Heavy Resistance Training Modifies Muscle Fiber Characteristics in the Elderly

    Sports medicine international open

More on Heavy resistance training

Associations

1

Handgrip strength

upin humans1

1 study

  1. Handgrip strength is associated with type IIx muscle fibers in humans.

    “an association between handgrip strength and type IIx fibers in men”

    Humansvastus lateralismales

    Differences in Type 2 Fiber Composition in the Vastus Lateralis and Gluteus Maximus of Patients with Hip Fractures

    Endocrinology and metabolism (Seoul, Korea)

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