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kinesiology

ankle and foot

TermDefinition
medial malleolus distal end of the tibia with a concave surface an a medial projection
lateral malleolus distal end of the fibula with the lateral projection
talus above the calcaneus where the tibia meets
calcaneus heel bone
sustentaculum tali medial calcaneus under talus
navicular bone in front of talsus
3 cuneiform bones medial side (make up transverse arch)
cuboi bone lateral side
5 metatarsals long, skinny
styloid process of 5th metatarsal
14 phalanges toe bones, 2-5 have 3 phalanges = proximal, middle, and distal
sesamoid bones (2) only under 1st metatarsal phalangeal joint
hallux (big toe) 1st metatarsal, contains on 2 phalanges
digiti minimi 5th metatarsal, also know as the "pinky toe"
medial arch made up of 3 medial metatarsals: the cuneiform, the navicular, and the calcaneous
lateral arch made up of 2 lateral metatarsals: the cuboid and the calcaneus
transverse arch made up of the tarsal bones in the midfoot and the metatarsals
pes planus (flat footed) a decrease or loss of medial arch
pes cavus (high-arched foot) an abnormally high arch
ideal standing half of the weight is on the big toe and the other half is evenly distributed amongst the other 4
primary restriction of movement in the ankle and foot is due to the ligaments in the foot
ankle joint formed between the bones of the lower leg and the upper portion of the talus
subtalar joint (tarsus joint) formed between the inferior portion of the talus and the superior portion of the calcaneus
deltoid ligament also known as the Medial Collateral Ligament, is compose of 4 parts that fan out from their attachment on the medial malleolus to their respective attachments on the supportive bone
deltoid ligament function prevents forward or backward displacement of the tibia/talus an is vital for providing medial support to the ankle joint
4 components of the deltoid ligament tibiocalcaneal, anterior tibiotalar, tibionavicular, and posterior tibiotalar ligament
tibiocalcaneal ligament runs downward from the medial malleolus to attach onto the medial aspect of the calcaneus
anterior tibiotalar ligament runs diagonally downward from the medial malleolus to attach onto the talus
tibionavicular ligament runs diagonally forward from the medial malleolus to attach onto the navicular
posterior tibiotalar ligament runs diagonally downward and backward from the medial malleolus to attach onto the talus
lateral collateral ligament composed of 3 descrete bands that connect to the lateral malleolus with ajacent bones of the foot: anterior talfibular ligament (ATFL), posterior talofibular ligament (PTFL), and calcaneofibular ligament
transverse tarsal joint (tarsus joint) combination of the talonvicular and the calcaneocuboid joints
talonavicular joint between the talus and navicular, modified ball and socket joint
calcaneocuboid joint between the calcaneus and cuboid, gliding joint
metatarsophalangeal joints (MTP) (toe joint) formed between the heads of the metatarsal bones an the adjacent proximal phalanges
interphalangeal joints (IP) (toe joint) formed between the adjacent phalanges
pronation the combo of abduction and eversion often associate with dorsiflexion of the ankle
supination the combo of adduction and inversion often associated with plantar flexion of the ankle
plantar fascia very strong and inelastic band of connective tissue locate in the sole of the foot
retinaculum thickened bands of connective tissue that are located around the ankle and foot that help hol the tendons in place and keep them from bowing forward across the front of the ankle or sliding in front of the medial or lateral malleolus
Created by: dancerbooty33