Pes anserinus (leg)

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Pes anserinus (leg)
Image:Pes anserinus.png
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 Clinicial 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)

Clinicial significance

It is a major cause of chronic knee pain and weakness ("pes anserinus bursitis").^[2][3]

References

1. ↑ Mnemonic at medicalmnemonics.com 3447
2. ↑ pmr/104 at eMedicine - "Pes anserinus bursitis"
3. ↑ ORT249 at FPnotebook - "Pes Anserine 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)