Muscle fiber diameter

Biomarker

10 papers study it12 more mention it2 findings

  • Human trial1
  • Humans2
  • Animals6

Interventions

1

Testosterone

upin humans1

1 study
  1. Testosterone increases muscle fiber diameter in humans.

    “Both treatments increased fiber diameter and peak power”

    Human trialWeekly continuous or monthly cycled replacement in men with testosterone levels <500 ng/dLvastus lateralis muscle fiber5 monthsmales

    Weekly versus monthly testosterone administration on fast and slow skeletal muscle fibers in older adult males

    The Journal of clinical endocrinology and metabolism

More on Testosterone

Upstream

1

Early phase of aging

no changein humans1

1 study
  1. early phase of aging has no effect on muscle fiber diameter in humans.

    “The smaller diameter of all fiber types did not differ significantly between age groups for either sex.”

    Humansbiceps brachii

    Does the early phase of aging affect the morphology of biceps brachii and torque and total work of elbow flexors in healthy volunteers?

    Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas

Latest

Nov 2025: 0Dec 2025: 1Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 1May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 13 papers in 12 months
Scientific Reports

Resistance training prevented liver-linked muscle loss in mice

In a six-week experiment, resistance training improved muscle strength, mass and physical performance in male mice with chronic liver disease.In a six-week experiment, resistance training improved muscle strength, mass and physical performance in male mice with chronic liver disease.