Tight hamstrings are one of the most common musculoskeletal complaints across all age groups — from desk workers who sit for hours to athletes who train intensively. Most people are told to stretch more, sit less, or strengthen their glutes.

Most advice after a proximal hamstring tendon avulsion sounds the same no matter who you are: rest, physical therapy, gradual loading, maybe surgery if the tear is severe enough. That advice isn't wrong, but it's built for an average person who doesn't exist.

A biceps femoris avulsion fracture is not just "a pulled hamstring." It means a piece of bone, usually at or near the ischial tuberosity, has been torn away along with the tendon that should be anchoring it.