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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 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
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.
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.
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)
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.
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
In Class.. • Begin Body Diagram… • Draw foot bones • Draw lateral and medial ligaments
Homework • Color worksheet pages