steplight 14 - LECTURE #16: Foot Anatomy 7 tarsal bones 5...

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LECTURE #16: Foot Anatomy 7 tarsal bones 5 metatarsals 14 phalanges Hallux (great toe) o Only 2 phalanges o 2 sesmoid bones in flexor hallicus brevis tendon Joints o Talocrural joint – ankle joint Most stable in dorsiflexion because dome of talus is wider Dorsi and plantar flexion occur here o Subtalar joint Articulation between talus and calcaneus Where inversion and eversion occur o Medial arch Talus, calcaneus, navicular Supported by spring ligament Prevents talus from dropping between calcaneus and navicular o Calcaneal Tarsal Joint Highest point of lateral arch Supported by long plantar ligament and plantar calcaneal cuboid ligament o Transverse Tarsal Joint More functional than anatomical Divides forefoot and rearfoot (peroneus longus) o Metatarsal-Phalangeal Joints MP, PIP, DIP All have capsular, medial collateral, and lateral collateral ligaments Deltoid ligaments intertwined together making it strong. Ligaments o Deltoid Joint (not usually injured because the fibula is longer) Tibionavicular – neutral Tibioclacaneal – dorsiflexion Tibotalus – plantarflexion Prevents Eversion (look up inverters) can be injured with 3º inversion sprain Special Test: Eversion Stress Test o Lateral Ankle Ligaments Anterior Talofibular (most common 90% of time) Resist inversion while in plantarflexed
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Calcaneal Fibular (rolling ankle in basketball) Resists inversion in a neutral position Posterior Talofibular (more stable in dorsiflexion) Resists inversion in a dorsiflexed position Rarely injured unless 3 rd degree ankle sprain o Ankle Injuries Plantar Fascia Provides support for longitudinal arch Calcaneal tubercle to proximal phalanx of each toe Aids in push off phase of walking/running o Swelling o Palpable pain at the o Sharp pain with weight bearing (first thing in the morning) Treatment o Ice cup, roll foot back and forth over ice cup o Golf ball message o Strengthen the muscles that help support the arch (prenous longus and all the foot intrinsic muscles) o Toy pickups and towel crunches o Balancing and proprioception Inversion Ankle Sprain 90% of ankle sprains – inversion due to difference in lengths of tibia and fibula Most commonly Anterior Talofibular o Injured with plantar flexion and inversion o Special Test: Anterior Drawer, Inversion stress test Signs and Symptoms: swelling, palpable pain, discoloration, pain with end of ROM, pain increases with running Treatment: horse shoe pad to push swelling up the leg; start at the toes so you don’t push the swelling into the toes Inversion Ankle Rehab Progression o Phase 1 DorsiFlexion/PlantarFlexion as tolerated RICE Toe Curls Calf stretch (NWB) use a towel o Phase 2 Ankle Alphabet Toe Raises
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Theraband Exercises (may not be done on
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This note was uploaded on 04/05/2011 for the course PSYCH 4280 taught by Professor Staff during the Fall '09 term at Georgia State.

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steplight 14 - LECTURE #16: Foot Anatomy 7 tarsal bones 5...

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