THE FOOT 2192021 SCNM ANAT 604 The Foot

THE FOOT 2/19/2021 SCNM, ANAT 604, The Foot 1

OSTEOLOGY 2/19/2021 SCNM, ANAT 604, The Foot 2

TARSAL BONES (7) • TALUS • CALCANEOUS • NAVICULAR • CUBOID • CUNEIFORMS –MEDIAL (1) –INTERMEDIATE (2) –LATERAL (3) 2/19/2021 SCNM, ANAT 604, The Foot 3

METATARSALS (5) • NUMBERED 1 -5, MEDIAL TO LATERAL – BIG TOE IS DIGIT 1 2/19/2021 SCNM, ANAT 604, The Foot 4

Left Ankle Repair 2/19/2021 SCNM, ANAT 604, The Foot 5

PHALANGES (14) • FIRST DIGIT – PROXIMAL – DISTAL • DIGITS 2 -5 – PROXIMAL – MIDDLE – DISTAL 2/19/2021 SCNM, ANAT 604, The Foot 6

ARTHROLOGY 2/19/2021 SCNM, ANAT 604, The Foot 7

TALOCRURAL JOINT • HINGE SYNOVIAL • TALUS & TIBIA & FIBULA • LIGAMENTS – MEDIAL/DELTOID • • 2/19/2021 TIBIONAVICULAR ANT. TIBIOTALAR POST. TIBIOTALAR TIBIOCALCANEANEAL SCNM, ANAT 604, The Foot 8

TALOCRURAL JOINT (Cont. ) – LATERAL • ANT. TALOFIBULAR • POST. TALOFIBULAR • CALCANEOFIBULAR • STABILITY – VERY STABLE IN DORSIFLEXION – RELATIVELY WEAK IN PLANTARFLEXION 2/19/2021 SCNM, ANAT 604, The Foot 9

INTERTARSAL JOINTS 2/19/2021 SCNM, ANAT 604, The Foot 10

SUBTALAR JOINT • SYNOVIAL JOINT – INVERSION-EVERSION – SLIGHT GLIDING & ROTATION • LIGAMENTS – WEAK CAPSULE – TALOCALCANEAL • MED. , LAT. , & POST. – INTEROSSEOUS TALOCALCANEAN 2/19/2021 SCNM, ANAT 604, The Foot 11

TRANSV. TARSAL JOINT • 2 JOINTS (SEPARATE ART. CAPSULES) THAT FUNCTION TOGETHER – PRIMARY MOVEMENTS ARE INVERSION AND EVERSION OF THE FOOT • TALOCALCANEONAVICULAR • CALCANEOCUBOID 2/19/2021 SCNM, ANAT 604, The Foot 12

BALL & SOCKET JOINT TALOCALCANEONAVICULAR 2/19/2021 SCNM, ANAT 604, The Foot 13

TALOCALCANEONAVICULAR • BALL AND SOCKET • LIGAMENTS – DORSAL TALONAVICULAR – PLANTAR CALCANEONAVICULAR • "SPRING" LIGAMENT (ON NEXT SLIDE) 2/19/2021 SCNM, ANAT 604, The Foot 14

CALCANEOCUBOID • LIGAMENTS – DORSAL CALCANEOCUBOID (ON PREVIOUS SLIDE) – PLANTAR CALCANEOCUBOID (SHORT PLANTAR LIGAMENT) – LONG PLANTAR – PLANTAR CALCANEONAVICULAR (SPRING) 2/19/2021 SCNM, ANAT 604, The Foot 15

STABILITY • DELTOID LIGAMENT: – STRONG – PREVENTS OVER EVERSION • OVER INVERSION MORE LIKELY –LAT. LIGS. ARE WEAK –MUSCLES STABILIZE 2/19/2021 SCNM, ANAT 604, The Foot 16

TARSALMETATARSAL JOINTS • SYNOVIAL – GLIDING – MEDIAL – 1 st metatarsal & 1 st cuneiform – INTERMEDIATE – ALL 3 cuneiforms and metatarsals 2&3 – LATERAL – cuboid and metatarsals 4&5 2/19/2021 SCNM, ANAT 604, The Foot 17

METATARSOPHALANGEAL JOINTS • CONDYLOID – FLEXION/EXTENSION – ABDUCTION/ ADDUCTION – CIRCUMDUCTION 2/19/2021 SCNM, ANAT 604, The Foot 18

INTERPHALANGEAL JOINTS • HINGE 2/19/2021 SCNM, ANAT 604, The Foot 19

ARCH • LONGITUDINAL ARCH – NAVICULAR IS KEYSTONE – HELD IN PLACE BY • PLANTAR CALCANEONAVICULAR – SPRING LIG. • LONG & SHORT PLANTAR • TRANSVERSE ARCH 2/19/2021 SCNM, ANAT 604, The Foot 20

TENDONS AND RETINACULA TENDON SHEATHS 2/19/2021 SCNM, ANAT 604, The Foot 21

SUP. & INF. EXTENSOR RETINACULA • TRANSMITS TENDONS OF – – EXT. DIGIT. LONG. TIBIALIS ANT. EXT. HALLUCIS LONG. PERONEUS TERTIUS 2/19/2021 SCNM, ANAT 604, The Foot 22

SUP. & INF. PERONEAL RETINACULA • LAT. MALLEOLUS • TENDONS OF – PERONEUS LONGUS – PERONEUS BREVIS • SUBCUTANEOUS BURSA SUPERFICIAL TO THE LATERAL MALLEOLUS 2/19/2021 SCNM, ANAT 604, The Foot 23

FLEXOR RETINACULUM • MED. MALLEOLUS • TENDONS OF – FLEX. DIGIT. LONG. – FLEX. HALLUCIS LONG. – TIBIALIS POSTERIOR • POST. TIBIAL A. • TIBIAL NERVE • SUBCUTANEOUS BURSA 2/19/2021 SCNM, ANAT 604, The Foot 24

CALCANEAL TENDON • SUBCUTANEOUS CALCANEAL BURSA • SUBTENDINOUS CALCANEAL BURSA 2/19/2021 SCNM, ANAT 604, The Foot 25

MUSCLES & VESSELS 2/19/2021 SCNM, ANAT 604, The Foot 26

DORSUM OF THE FOOT 2/19/2021 SCNM, ANAT 604, The Foot 27

DORSUM OF THE FOOT MUSCLES • EXT. DIGIT. LONG. – EXTENSOR HOOD • SPLITS INTO THREE BANDS • EXT. HALLUCIS LONG. • EXT. DIGIT. BREVIS • EXT. HALLUCIS BREVIS 2/19/2021 SCNM, ANAT 604, The Foot 28

ARTERIES: • DORSAL PEDIS A. – MED. TARSAL A. – LAT. TARSAL A. – ARCUATE A. • DORSAL ARCH • ANASTOMOSIS W/ LAT. TARSAL A. – DEEP PLANTAR A. – METATARSAL ARTERY SERVING 1 ST DIGIT 2/19/2021 SCNM, ANAT 604, The Foot 29

PLANTAR SURFACE MUSCLES • MUSCLES ARE ARRANGED IN 4 LAYERS • PLANTAR APONEUROSIS – SIMILAR TO PALMAR APONEUROSIS 2/19/2021 SCNM, ANAT 604, The Foot 30

FIRST LAYER • ABDUCTOR DIGITI MINIMI • FLEXOR DIGITORUM BREVIS • ABDUCTOR HALLUCIS 2/19/2021 SCNM, ANAT 604, The Foot 31

SECOND LAYER • QUADRATUS PLANTAE • LUMBRICALS 2/19/2021 SCNM, ANAT 604, The Foot 32

THIRD LAYER • FLEXOR DIGITI MINIMI BREVIS • ADDUCTOR HALLUCIS • FLEXOR HALLUCIS BREVIS 2/19/2021 SCNM, ANAT 604, The Foot 33

FOURTH LAYER • DORSAL INTEROSSEOUS MUSCLES (DAB) – FOUR MUSCLES • PLANTAR INTEROSSEOUS MUSCLES (PAD) – 3 MUSCLES 2/19/2021 SCNM, ANAT 604, The Foot 34

ARTERIES: • POST. TIBIAL A. – MED. PLANTAR A. – LAT. PLANTAR A. • PLANTAR ARCH – CONTINUATION LAT. PLANTAR A. – ANASTOMOSIS W/ DEEP PLANTAR A. • PLANT. METATARSAL ARTERIES • PLANT. DIGITAL ARTERIES 2/19/2021 SCNM, ANAT 604, The Foot 35

Right Fibular Repair 2/19/2021 SCNM, ANAT 604, The Foot 36