ANAT30007 Lecture Notes - Lecture 22: Dorsalis Pedis Artery, Posterior Tibial Artery, Toe
27 May 2018
School
Department
Course
Professor
Walking to running -> forces around 2x the weight of the body
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Jumping -> forces around 5x the weight of the body
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Large amount of forces transferred through the foot
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Arches of the foot assist to spread the weight of the foot (suction cups)
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Tendons and fascia assist with weight bearing
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Weight bearing -> in standing to walking, the compressive forces on the foot are around 1.2x
the weight of the body
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Proximal row: Calcaneus, Talus
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Navicular (anterior to the talus): Tuberosity for tibialis posterior tendon on
plantar side
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Cuboid (Lateral to the navicular): Tuberosity of cuboid, groove for fibularis longus
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Middle row:
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Distal row: 3 Cuneiforms - Medial (1st), intermediate (2nd), lateral (3rd)
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Tarsal bones in 3 rows
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1st metatarsal is most robust, 2nd is narrowest and wedged in by 1st/3rd
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5th metatarsal also robust, has tuberosity for lateral compartment muscles
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Metatarsals (5):
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2 in hallux (proximal and distal)
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3 in each digit
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Phalanges (14)
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2 sesamoids on plantar surface of the foot - embedded in tendon of the FHB
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Bony anatomy
8.1 Foot: Bones and Muscles
Sunday, 26 April 2015
2:05 PM
Locomotor Page 1
Calcaneus
Locomotor Page 2
Document Summary
Weight bearing -> in standing to walking, the compressive forces on the foot are around 1. 2x the weight of the body. Walking to running -> forces around 2x the weight of the body. Jumping -> forces around 5x the weight of the body. Large amount of forces transferred through the foot. Arches of the foot assist to spread the weight of the foot (suction cups) Navicular (anterior to the talus): tuberosity for tibialis posterior tendon on plantar side. Cuboid (lateral to the navicular): tuberosity of cuboid, groove for fibularis longus. Distal row: 3 cuneiforms - medial (1st), intermediate (2nd), lateral (3rd) 1st metatarsal is most robust, 2nd is narrowest and wedged in by 1st/3rd. 5th metatarsal also robust, has tuberosity for lateral compartment muscles. 2 sesamoids on plantar surface of the foot - embedded in tendon of the fhb. Robust bone (increased size with evolution from quadruped to biped)
