Adductor Magnus Attachment

When people think of the inner thigh, they usually picture the "groin muscles"—the adductor longus, brevis, and gracilis. But lurking behind them is a massive, powerful muscle that does double duty: the .

There is a deep part of the muscle that originates specifically from the (the hard bone you sit on). This is the exact same starting point as your hamstrings. Because it starts at the sit bone and runs straight down, it looks and acts exactly like a hamstring. adductor magnus attachment

The majority of the adductor magnus is wired by the Obturator nerve (like the other inner thigh muscles). But that "Hamstring Portion"—the one attaching to the tubercle—is wired by the . When people think of the inner thigh, they

The adductor magnus is a . It’s not just a "groin muscle"—it’s a primary hip extensor alongside the glute max and hamstrings. If you have deep posterior hip pain or difficulty controlling leg adduction, don’t just foam roll your inner thigh. Check the attachment points at your sit bone and along the femur. This is the exact same starting point as your hamstrings

Disclaimer: This post is for educational purposes and does not constitute medical advice. Consult a healthcare professional for any pain or injury concerns.

However, it has a dirty secret. While the hamstrings attach to the shin bones (tibia and fibula) to bend the knee, this part of the adductor magnus refuses to cross the knee. Instead, it attaches to a bulbous knob of bone on the very bottom of the femur called the .

The most interesting detail of this attachment is who controls the wiring.