Pes anserinus (leg)

Pes anserinus (leg)
Muscles of the gluteal and posterior femoral regions. Area of pes anserinus is encircled at bottom. sartorius, gracilis and semitendinosus are labeled at bottom left.
Dorlands/Elsevier	p_15/12630561

The pes anserinus ("goose's foot") is the insertion of the conjoined tendons of three muscles onto the anteromedial proximal tibia bone (from anterior to posterior):^[1]

• sartorius
• gracilis
• semitendinosus

The conjoined tendon lies superficial to the tibial insertion of the medial collateral ligament (MCL) of the knee.

Contents 1 Mnemonic 2 Clinical significance 3 References 4 External links

Mnemonic

A good mnemonic to remember the muscles which contribute tendons to this conjoint tendon and the innervations of these muscles is SGT FOS (sergeant FOS)

S- Sartorius G- Gracilis T- semiTendinosus (from lateral to medial)

F- femoral nerve O- obturator nerve S- sciatic nerve

Notice the order of the muscles (S, G, T) follows the order of the innervating nerves which correspond to those muscles (F, O, S)

Clinical significance

It is a major cause of chronic knee pain and weakness ("pes anserinus bursitis").^[2]

References

1. ^ Mnemonic at medicalmnemonics.com 3447
2. ^ pmr/104 at eMedicine - "Pes anserinus bursitis"

External links

• Duke Orthopedics pes_anserinus
• Description at rad.washington.edu

v • d • e General anatomy of lower limbs Buttocks Gluteal sulcus - Gluteal cleft Thigh Fascial compartments of thigh (Anterior, Medial, Posterior) Inguinal ligament • Pectineal ligament • Lacunar ligament • Reflected inguinal ligament • Conjoint tendon • Interfoveolar ligament Obturator membrane/Obturator canal Femoral triangle • Femoral sheath (Femoral canal) • Femoral ring Adductor canal • Adductor hiatus fascia/fascia lata (Iliotibial tract, Lateral intermuscular septum of thigh, Medial intermuscular septum of thigh, Fascia cribrosa/Saphenous opening) Crus (anatomic leg) Popliteal fossa • Calf • Shin • Pes anserinus • Interosseous membrane of the leg Fascial compartments of leg (Anterior, Lateral, Posterior) fascia/crural fascia (Anterior crural intermuscular septum, Posterior crural intermuscular septum, Transverse intermuscular septum) Foot Heel • Toe (Hallux, Fifth toe) • Sole • Achilles tendon • Tarsal tunnel fascia (Plantar fascia) retinacula (Peroneal, Inferior extensor, Superior extensor, Flexor)

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