Hamstring peak torque normalized to body mass

Age decreases hamstring peak torque normalized to body mass in humans (β = -0.009 Nm/kg per year, p < 0.001).

“There is a linear decrease in quadriceps (β = -0.016 Nm/kg per year, p < 0.001) and hamstring (β = -0.009 Nm/kg per year, p < 0.001) peak torque normalized to body mass with age.”

Humansin athletes awaiting ACL reconstruction, uninvolved limbhamstringn = 321

Isokinetic Quadriceps and Hamstring Peak Torque in Athletes Aged 10-50+: Preoperative Uninvolved Limb Reference Values for ACL Reconstruction

International journal of sports physical therapy·1 Sep 2026