Puborectal muscle pinch angle

Advancing age is associated with puborectal muscle pinch angle in humans (91.3° at 15-24 years versus 83.7° in older groups).

“The puborectal muscle pinch angle was greatest in the youngest group (mean 91.3° in 15-24 vs 83.7° in older groups, P < .05).”

Humansasymptomatic womenpuborectalis musclefemalesn = 120

Aging effects of the female pelvis and organ endo-pelvic fascia space as shown by novel MRI measurements

Medicine·9 Jan 2026