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Anatomy of the lower limb III – Foot Pr. Philippe PELISSIER Service de Chirurgie Plastique Centre F.X. Michelet CHU de Bordeaux www.e-plastic.fr Anatomy of the lower limb - Foot Bones Muscles and tendons Vessels Nerves Anatomy of the lower limb - Foot Foot anatomy - Bones Bones Ca : calcaneus Cu : cuboid bone T : talus N : navicular bone LC : lateral cuneiform IC : intermediate cuneiform MC : medial cuneiform M : metatarsal bone P : phalanx Anatomy of the lower limb - Foot P P M M MC IC LC IC LC N Cu Cu T MC N T Ca Ca (After Caix) Cranial view Plantar view Anatomy of the lower limb - Foot Foot anatomy – Muscles and tendons Mucles and tendons DI : dorsal interosseous m. PI : palmar interosseoux m. L : lumbrical m. Anatomy of the lower limb - Foot Cranial EDL EDB Med Ab H : abductor hallucis m. Ad H : adductor hallucis m. ADM : abductor digiti minimi m. FHBl : flexor hallucis brevis m. FDG : flexor digiti minimi m. ODM : opponens digiti minimi m. M2 M3 DI M4 M5 ODM PI ADM FDM FDL : flexor digitorum longus m. FDB : flexor digitorum brevis m. FHL : flexor hallucis longus m. EDL : extensor digitorum longus m. EDB : extensor digitorum brevis m. DI DI DI PI M1 PI Ad H FHB L L L Ab H L FDL FHL FDB (After Caix) Transversal section Mucles and tendons Anatomy of the lower limb - Foot Extrinsic flexor muscles TP : tibialis posterior m. FHL : flexor hallucis longus m. FDL : flexor digitorum longus m. QP : quadratus plantar m. FHL FDL FDL QP TP (After Caix) Plantar view Mucles and tendons Anatomy of the lower limb - Foot Intrinsic flexor muscles Ab H : abductor hallucis m. Ad H : adductor hallucis m. (transversal &oblique heads) ADM : abductor digiti minimi m. FHBl : flexor hallucis brevis m. (lateral & medial heads) FDG : flexor digiti minimi m. ODM : opponens digiti minimi m. Ad H Ad H FDM FHB ODM ADM Ab H (After Caix) Plantar view Mucles and tendons Intrinsic flexor muscles Anatomy of the lower limb - Foot FDL FDB : flexor digitorum brevis m. FDL : flexor digitorum longus m. L : lumbrical m. L L L L FDL FDB (After Caix) Plantar view Mucles and tendons Anatomy of the lower limb - Foot Extensor muscles EHB : extensor hallucis brevis m. EDB : extensor digitorum brevis EDL : extensor digitorum longus (tendon) EDB EDB EHB (After Caix) Cranial view Anatomy of the lower limb - Foot Foot anatomy - Vessels Vessels Anatomy of the lower limb - Foot D D D M DI : dorsal interosseous m. EDB : extensor digitorum brevis m. AT : anterior tibial a. DP : dorsalis pedis a. LT : lateral tarsal a. MT : medial tarsal a. DM : dorsal metatarsal a. M : metatarsal a. (dorsal) D : digital a. M M DI M DM EDB MT LT DP AT (After Caix) Cranial view Vessels ADM : abductor digiti minimi m. Ab H : abductor hallucis m. QP : quadratus plantar m. LP : lateral plantar a. M : metatarsal a. (plantar) MP : medial plantar a. PP : perforating posterior branches PT : posterior tibial a. Anatomy of the lower limb - Foot M M M M MP PP MP LP LP QP ADM Ab H PT (After Caix) Plantar view Anatomy of the lower limb - Foot Foot anatomy - Nerves Nerves Anatomy of the lower limb - Foot ADM : abductor digiti minimi m. Ab H : abductor hallucis m. QP : quadratus plantar m. PM : medial plantar n. PL : lateral plantar n. PM PL PL PM QP ADM Ab H (After Caix) Plantar view