The anterior and posterior cruciate ligaments primarily resist the sliding of the tibia on the femur and resist rotational forces at the knee. When the knee is flexed, it relies on soft tissue structures for stability. The knee is stable in extension due to the bony junction provided by the screw-home mechanism of the knee. Knee joint stability can be influenced by atypical anatomy, arthritis, overuse injury, or trauma. When pes anserine bursitis is present, the patient experiences pain with repeated knee flexion and extension (such as with stair climbing). Pes anserine is formed by the conjoined tendons of the gracilis, sartorius, and semitendinosus muscles as they form a broad structure that covers the medial part of the knee.ĭuring knee motion, the pes anserine bursa is stressed during active flexion and adduction as the hamstring and adductor muscles contract and compress the bursa between the soft tissues and the bone. It also provides the medial side of the knee some stability. The pes anserine bursa, one of 13 bursae around the knee joint, is located between the tibia and the tendinous attachments right below the middle of the knee joint. There seems to be a relationship between diabetes and this condition, too.
Pes anserine muscles series#
One series of imaging found knee osteoarthritis in 93% of patients with diagnosed pes anserine bursitis. Pes anserine bursitis may also be a secondary diagnosis since it’s associated with being overweight and the presence of osteoarthritis. This was often associated with steoarthritis in more than 90% of cases. The prevalence has been reported as low as 0.33% in a study of 10,000 people, while another study that drew on data from a 2010 census in Mexico found it was the most common of the lower limb syndromes and pes anserine pain (not necessarily bursitis). have pes anserine bursitis due to many overlap with other knee conditions. It’s hard to determine how many people in the U.S. Translated from Latin, “pes” means “foot,” and “anserine” means “goose.” Pes anserine bursitis is often mistaken for another knee problem and can result from direct trauma, overuse, or as part of the secondary symptoms of another disease process. Pes anserine was named for the structure that looks like a webbed foot of a goose. An uncommon cause of knee pain is injury to the pes anserine bursa. Many people suffer from chronic knee pain at some point during their life.
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