Joints of the Foot Flashcards by Courtney @Brainscape

Q

Foot

Longitudinal and Transverse Arches

A

Weight bearing capabilities and resilience

Distribute weight

Act as shock absorbers

Act as spring-boards

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Q

Transverse Arch of Foot

Supported by

A

Tendon of tibialis posterior (tarsal arch)

Tendon of peroneus longus (tarsal arch)

Adductor Hallucis muscle (metatarsal arch)

Deep transverse metatarsal ligament (anterior arch)

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Q

Longitudinal Arch of Foot

Bones of Lateral Arch

A

Calcaneus, Cuboid, Metatarsals 4 and 5

Lateral arch rests on the ground when standing

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Q

Longitudinal Arch

Bones of Medial Arch

A

Calcaneus, Talus, Navicular, 3 Cuneiforms, Metatarsals 1-3

Higher and more important than lateral arch

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Q

Longitudinal Arch

Dynamic Support

A

Intrinsic muscles of foot

Flexor Hallucis Longus

Flexor Digitorum Longus

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Q

Longitudinal Arch

Passive Support

A

1) Plantar calcnaeonavicular (spring) ligament
2) Short plantar ligament (calcaneocuboid)
3) Long plantar ligament
4) Plantar aponeurosis

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Q

Weight Distribution

A

Almost equally between Calcaneus and Heads of Metatarsals

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Q

Subtalar Joint

Talus

Calcaneus

A

Slightly concave posterior calcaneal articular surface

Convex posterior articular facet

Synovial joint

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Q

Ligaments of Subtalar Joint

A

Weak capsule supported by medial, lateral, interosseous and posterior talocalcaneal ligaments

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Q

Transverse (mid)tarsal joint

A

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Q

Ligaments of Midtarsal Joint

A

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Q

Joints of Inversion/Eversion

A

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Q

Joints of Inversion/Eversion

A

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Q

Movements

Subtalar Joint

Midtarsal Joint

A

Inversion/Eversion

Augments Inversion/Eversion

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Q

Tarsometatarsal Joint

A

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Q

Tarsometatarsal Ligaments

A

Dorsal, Plantar and Interosseous ligaments bind the bones together

Q

Metatarsophalangeal (MTP) Joints

A

Synovial condyloid joint

Flexion, extension, abduction, adduction

Q

Interphalangeal Joints

A

Synovial hinge joints

Flexion and Extension