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Foot and Ankle

Foot and Ankle. Anatomy. Resources:. Getbodysmart.com http://www.getbodysmart.com/. Bones. The foot is made up of 26 bones The lower leg is comprised of 2 bones Forming the foot and ankle mortise of 28 bones. Bones of the foot. Muscles.

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Foot and Ankle

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  1. Foot and Ankle Anatomy

  2. Resources: • Getbodysmart.com • http://www.getbodysmart.com/

  3. Bones • The foot is made up of 26 bones • The lower leg is comprised of 2 bones • Forming the foot and ankle mortise of 28 bones

  4. Bones of the foot

  5. Muscles • There are 19 muscles and tendons (tendon attaches muscle to bone) •  muscles acting on the foot can be classified into extrinsic muscles, those originating on the anterior or posterior aspect of the lower leg, and intrinsic muscles, originating on the dorsal (top) or plantar (base) aspects of the foot.

  6. Anterior compartment

  7. Lateral Compartment

  8. Posterior Compartment

  9. Dorsum of foot

  10. 1st layer of sole

  11. Muscles of Lower leg

  12. Muscles of foot

  13. Ligaments • The lateral and medial ligaments of the ankle support and strengthen the joint. • The deltoid ligament is stronger than the lateral ligaments. The strength of the deltoid prevents most eversions.

  14. Primary Primary ligaments of ankle include: • medial • Deltoid ligament - This strong ligament attaches to the medial malleolus. It has four parts named for the bones that they attach to: the tibionavicular, the tibiocalcaneal, the anteriortibiotalar, and the posterior tibiotalar • Calcaneonavicular ligament (Spring Ligament)  • lateral • Syndesmosis (includes AITFL, PITFL, TTFL, IOL, ITL) • Anterior talofibular ligament (ATFL) • Posterior talofibular ligament (PTFL) • Calcaneal fibular ligament (CFL) • Lateral talocalcaneal ligament (LTCL)

  15. If you’ve ever sprained an ankle, you injured one or more of the ligaments that hold the joint together. The lateral ligaments are damaged more often than the stronger medial ligament.

  16. Lateral View

  17. Medial View

  18. Simplified View (lateral)

  19. Arches of the foot

  20. Medial/Lateral

  21. Medial/Lateral • Medial arch is higher than the lateral longitudinal arch. It is made up by the calcaneus, the talus, the navicular, the three cuneiforms, and the first, second, and third metatarsals • The lateral arch is composed of the calcaneus, the cuboid, and the fourth and fifth metatarsals

  22. On a person

  23. Problem with arches

  24. Lower Leg

  25. Putting it all together

  26. In Class.. • Begin Body Diagram… • Draw foot bones • Draw lateral and medial ligaments

  27. Homework • Color worksheet pages

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