research Effects of Testosterone+Finasteride On Muscle After Spinal Cord Injury: A Randomized Double-Blind, Placebo-Controlled Pilot Study March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve muscle strength and size after spinal cord injury.
research Musculoskeletal and body composition response to high-dose testosterone with finasteride after chronic incomplete spinal cord injury—a randomized, double-blind, and placebo-controlled pilot study December 2024 in “Frontiers in Neurology” Testosterone with finasteride improved muscle and bone health in men with spinal cord injury.
research Testosterone Reduces Knee Passive Range of Motion and Expression of Relaxin Receptor Isoforms via 5α-Dihydrotestosterone and Androgen Receptor Binding 23 citations , March 2014 in “International Journal of Molecular Sciences” Testosterone reduces knee flexibility by affecting relaxin receptors.