Adductor Magnus Muscle Link
The adductor magnus receives blood from several sources:
During the gait cycle (walking), the adductor magnus stabilizes the pelvis on the stance leg, preventing the pelvis from dropping to the opposite side.
While the Adductor Longus is the most common groin strain culprit, the Adductor Magnus is also susceptible to strains, particularly in athletes who change direction rapidly (soccer, hockey, tennis). adductor magnus muscle
The adductor magnus is unique because it receives innervation from two different nerves, reflecting its two-part structure:
Note: Because a portion of it is innervated by the tibial nerve (like the hamstrings), some anatomists classify the adductor magnus as a muscle of the posterior compartment rather than the medial compartment. The adductor magnus receives blood from several sources:
The adductor magnus has two distinct heads:
| Head | Origin | |------|--------| | Adductor (pubofemoral) head | Inferior ramus of pubis & ramus of ischium | | Hamstring (ischiocondylar) head | Ischial tuberosity | Note: Because a portion of it is innervated
A notable feature of the adductor magnus is an opening near its distal attachment called the adductor hiatus. This hiatus allows the femoral artery and vein to pass from the anterior thigh (adductor canal) into the popliteal fossa behind the knee, where they become the popliteal vessels.
Because the femoral vessels pass through the adductor hiatus to become popliteal vessels, this muscle is a landmark for vascular surgeons. Enlargement of the muscle or tumors in this area can compress the artery, causing claudication (cramping) in the lower leg.
To understand the adductor magnus, you must forget the idea of a simple, uniform muscle. It is anatomically and functionally divided into two distinct parts: the adductor portion (pubofemoral) and the hamstring portion (ischiocondylar).