Extensor hallucis brevis muscle

Anatomy: Lower limb

• skeleton of the lower limb
  • pelvis
    • sacrum
    • innominate bones
      • ilium
      • ischium
      • pubis
        • pubic symphysis
    • acetabulum
      • acetabular labrum
        • perilabral sulcus
      • acetabular notch
        • accessory superior acetabular notch
      • acetabular foramen
      • supra-acetabular fossa
      • acetabular fossa
  • femur
    • calcar femorale
    • linea aspera
    • intertrochanteric line
    • intertrochanteric crest
  • patella
    • variants
      • bipartite patella
      • multipartite patella
      • absent patella
      • dorsal defect of the patella
  • tibia
    • tibial plateau
      • intercondylar area
    • Gerdy's tubercle
  • fibula
  • foot
    • tarsal bones (mnemonic)
      • calcaneus
        • peroneal tubercle
        • retrotrochlear eminence
        • sustentaculum tali
      • talus
      • navicular
      • medial cuneiform
      • intermediate cuneiform
      • lateral cuneiform
      • cuboid
      • variants
        • bipartite medial cuneiform
        • tarsal coalition
          • talocalcaneal coalition
          • calcaneonavicular coalition
    • metatarsals
      • apophysis of the proximal 5th metatarsal
    • phalanges
      • symphalangism
  • ossicles of the lower limb
    • os acetabuli
    • os fabella
    • cyamella
    • ossicles of the foot
      • accessory navicular
      • os peroneum
      • os subfibulare
      • os subtibiale
      • os trigonum
      • os calcaneus secundaris
      • os intermetatarseum
      • os supratalare
      • hallux sesamoid
        • multipartite hallux sesamoid
      • os supranaviculare
      • os vesalianum
• joints of the lower limb
  • hip joint
    • ligaments
      • iliofemoral ligament
      • pubofemoral ligament
      • ischiofemoral ligament
      • transverse acetabular ligament
      • transverse ligament of the hip
      • ligamentum teres of the hip
    • muscles
    • additional structures
      • hip joint capsule
      • zona orbicularis
      • iliotibial band
      • hip bursae
        • anterior
          • iliopsoas bursa (iliopectineal bursa)
        • lateral
          • subgluteal bursae
            • greater trochanteric bursa (subgluteus maximus bursa)
            • ​subgluteus medius bursa
            • subgluteus minimus bursa
          • gluteofemoral bursa
        • postero-inferior
          • obturator externus bursa
          • obturator internus bursa
          • ischiogluteal bursa
    • ossification centers
  • knee joint
    • ligaments
      • anterior cruciate ligament
      • posterior cruciate ligament
      • medial collateral ligament
      • lateral collateral ligament
      • meniscofemoral ligament (mnemonic)
      • posterolateral ligamentous complex
        • arcuate ligament​​​​
      • patellar tendon and quadriceps tendon
      • anterolateral ligament
      • posterior oblique ligament
      • oblique popliteal ligament
      • medial patellofemoral ligament
    • additional structures
      • extensor mechanism of the knee
        • fat pads
          • anterior knee fat pads
            • infrapatellar fat pad (of Hoffa)
            • posterior suprapatellar (prefemoral or supratrochlear) fat pad
            • anterior suprapatellar (quadriceps) fat pad
      • groove for the popliteus tendon
      • ​knee bursae
        • ​anterior bursae
          • suprapatellar bursa
          • subcutaneous prepatellar bursa
          • subcutaneous infrapatellar bursa
          • deep infrapatellar bursa
        • medial bursae
        • lateral bursae
        • posterior bursae
      • knee capsule
        • knee synovial membrane
        • synovial plicae of the knee
          • ligamentum mucosum
          • medial patellar plica
      • lateral patellar retinaculum
      • medial patellar retinaculum
      • menisci
        • discoid meniscus
        • ring meniscus
      • pes anserinus (mnemonic)
        • pes anserinus bursa
    • ossification centers
  • tibiofibular joints
    • proximal tibiofibular joint
    • distal tibiofibular syndesmosis
      • ligaments
        • anterior inferior tibiofibular ligament
          • accessory anterior inferior tibiofibular ligament
        • posterior inferior tibiofibular ligament
  • ankle joint
    • regional anatomy
      • medial ankle
      • lateral ankle
      • anterior ankle
    • ligaments
      • medial collateral (deltoid) ligament
        • superficial layer
          • tibionavicular ligament
          • tibiospring ligament
          • tibiocalcaneal ligament
          • superficial posterior tibiotalar ligament 
        • deep layer
          • anterior tibiotalar ligament
          • deep posterior tibiotalar ligament
      • lateral collateral ligament
        • anterior talofibular ligament
        • posterior talofibular ligament
        • calcaneofibular ligament
      • additional structures
        • flexor retinaculum
        • extensor retinaculum (mnemonic)
        • peroneal retinaculum
      • ankle bursae
        • retrocalcaneal bursa
        • subcutaneous calcaneal bursa
    • ossification centers of the ankle
    • variants
      • ball and socket ankle joint
  • foot joints
    • subtalar joint
      • articulations
        • talocalcaneal joint
      • ligaments
        • interosseous talocalcaneal ligament
        • spring ligament complex
        • bifurcate ligament
        • cervical ligament
        • collateral ligaments
      • associated structures
        • tarsal sinus
        • tarsal canal
        • longitudinal arch
        • transverse arch
    • mid-tarsal (Chopart) joint
      • talonavicular joint
      • calcaneocuboid joint
    • tarsometatarsal (Lisfranc) joint
      • ligaments
        • Lisfranc ligament
    • intermetatarsal joint
    • metatarsophalangeal joint
      • intermetatarsal bursa
    • interphalangeal joint
    • ossification centers
• spaces of the lower limb
  • adductor canal
  • femoral sheath
    • femoral canal
      • femoral ring
  • femoral triangle (contents mnemonic | boundaries mnemonic)
  • foot subdivisions
    • hindfoot
    • midfoot
    • forefoot
  • popliteal fossa (mnemonic)
  • spring ligament recess
  • tarsal tunnel (mnemonic)
  • triangular space of cruciate ligaments
• muscles of the lower limb
  • muscles of the pelvic group
    • inner hip group
      • iliopsoas muscle
    • gluteal region
      • gluteal muscles
        • gluteus maximus muscle
        • gluteus medius muscle
        • gluteus minimus muscle
      • tensor fasciae latae muscle
      • accessory gluteal muscles
        • gluteus quartus muscle
    • lateral rotator group
      • piriformis muscle
      • superior gemellus muscle
      • obturator internus muscle
      • inferior gemellus muscle
      • quadratus femoris muscle
  • muscles of the thigh
    • anterior compartment of the thigh
      • sartorius muscle
      • pectineus muscle
      • quadriceps muscle group
        • rectus femoris muscle
        • vastus lateralis muscle
        • vastus intermedius muscle
        • vastus medialis muscle
      • articularis genu muscle
    • posterior compartment of the thigh (hamstrings)
      • biceps femoris muscle
      • semitendinosus muscle
        • tensor fasciae suralis muscle
      • semimembranosus muscle
        • accessory semimembranosus muscle
        • semimembranosus bursa
    • medial compartment of the thigh
      • obturator externus muscle
      • gracilis muscle
      • adductor longus muscle
      • adductor brevis muscle
      • adductor magnus muscle
      • adductor minimus muscle
  • muscles of the leg
    • anterior compartment of the leg
      • tibialis anterior muscle
      • extensor hallucis longus muscle
      • extensor digitorum longus muscle
      • peroneus tertius muscle
    • posterior compartments of the leg
      • superficial posterior compartment of the leg (calf)
        • triceps surae muscle
          • medial and lateral heads of the gastrocnemius muscle
          • soleus muscle
            • accessory soleus muscle
        • plantaris muscle
        • calcaneal tendon
      • deep posterior compartment of the leg
        • accessory flexor digitorum longus muscle
        • flexor digitorum longus muscle
          • knot of Henry
        • flexor hallucis longus muscle
        • popliteus muscle
        • tibialis posterior muscle
    • lateral compartment of the leg
      • peroneus brevis muscle
      • peroneus longus muscle
  • muscles of the foot
    • dorsal muscles
      • extensor hallucis brevis muscle
      • extensor digitorum brevis muscle
    • plantar muscles
      • 1st layer
        • abductor hallucis muscle
        • flexor digitorum brevis muscle
        • abductor digiti minimi muscle
      • 2nd layer
        • quadratus plantae muscle
        • lumbrical muscles
      • 3rd layer
        • flexor hallucis brevis muscle
        • adductor hallucis muscle
        • flexor digiti minimi brevis muscle
      • 4th layer
        • dorsal interossei muscles
        • plantar interossei muscles
  • accessory muscles
    • accessory peroneal muscles
• vascular supply of the lower limb
  • arterial supply of the lower limb
    • femoral artery
      • profunda femoris artery (mnemonic)
        • medial circumflex femoral artery
        • lateral circumflex femoral artery
          • descending branch of the lateral circumflex
        • descending geniculate artery
    • popliteal artery
      • anterior tibial artery
        • recurrent tibial arteries
        • anterior lateral malleolar artery
        • anterior medial malleolar artery
        • dorsalis pedis
      • tibioperoneal trunk
        • fibular artery (peroneal artery)
          • peroneal magnus artery
        • posterior tibial artery
          • circumflex fibular artery
          • medial plantar artery
          • lateral plantar artery
            • plantar arch
    • arterial supply of the foot
  • venous drainage of the lower limb
    • deep system
      • common femoral vein
        • femoral vein
          • deep femoral vein
          • popliteal vein
            • peroneal vein
            • posterior tibial vein
            • anterior tibial vein
    • superficial system
      • great saphenous vein
        • dorsal venous plexus
      • small saphenous vein
        • vein of Giacomini
      • lateral marginal vein
    • venous drainage of the foot
• innervation of the lower limb
  • lumbar plexus (mnemonic)
    • femoral nerve
      • saphenous nerve
    • obturator nerve
  • sacral plexus
    • sciatic nerve (motor distribution)
      • common peroneal nerve
        • superficial peroneal nerve
        • deep peroneal nerve
      • tibial nerve
        • sural nerve
        • medial calcaneal nerve
        • medial plantar nerve
        • lateral plantar nerve
• lymphatic system of the lower limb
  • lymphatic pathways
    • anteromedial group
    • anterolateral group
    • posteromedial group
    • posterolateral group
  • lower limb lymph nodes
    • inguinal lymph nodes
      • superficial inguinal lymph nodes
      • deep inguinal lymph nodes
    • popliteal lymph nodes