Foot/Ankle and Lower Leg MUSCULAR ANATOMY Foot/Ankle and Lower Leg

Bellwork Complete only the B portion of the BLT chart writing what you know about …… Then put BLT chart aside until the end of the lesson.

Write-Pair-Share Write a list of all the anatomical structures of the foot/ankle and lower leg that you can recall from previous lessons on paper Share with a partner Be ready to share with the class

Objective Recognize relevant muscular anatomy for the foot/ankle and lower leg

Terminology Plantarflexion Dorsiflexion Ankle movement in which foot moves toward ground and toes are pointed Dorsiflexion Ankle movement in which toes/dorsum of foot moves upwards towards knee

Foot/ankle Movements Toes: Foot/ankle: Flexion Extension Ab/adduction Inversion Eversion Plantarflexion Dorsiflexion

Muscle Terminology Origin- Insertion- Where muscle originates and attaches to bone Insertion- Where muscle attaches, usually distally, and where movement occurs

Attribute Chart- Foot/Lower Leg Muscles: Posterior Group Critical Thinking Strategies for Diverse Learners Attribute Chart- Foot/Lower Leg Muscles: Posterior Group What is the Muscle? What is the origin? Insertion? What is the function of the muscle? Gastrocnemius  Distal Femur Calcaneus  Plantarflexion and flexes knee Soleus  Posterior tibia and fibula Calcaneus Plantarflexion   Kuzmich, 2009

Posterior Muscles http://www.changingshape.com/exercise/musclecharts/rearviewofthehumanlowerleg.php

Attribute Chart- Foot/Lower Leg Muscles: Anterior Group Critical Thinking Strategies for Diverse Learners Attribute Chart- Foot/Lower Leg Muscles: Anterior Group What is the Muscle? What is the origin? Insertion? What is the function of the muscle? Tibialis Anterior  Tibia Medial cuneiform and 1st Metatarsal Dorsiflexion and slight inversion Extensor Hallicus Longus Fibula Dorsal surface of big toe Dorsiflexion and inversion of ankle, extends 1st digit  Extensor Digitorum Longus Tibia and Fibula Dorsiflexion and eversion, extends toes 2-5 Kuzmich, 2009

Lateral View indg.in

Attribute Chart- Foot/Lower Leg Muscles: Medial Group Critical Thinking Strategies for Diverse Learners Attribute Chart- Foot/Lower Leg Muscles: Medial Group What is the Muscle? What is the origin? Insertion? What is the function of the muscle? Tibialis Posterior  Posterior Tibia Navicular, cuneiforms, cuboid/metatarsals 2-4 Plantarflexion and inversion Flexor Digitorum Longus Ventral surface of distal phalanges 2-5 Plantarflexion and inversion, flexes toes 2-5  Flexor Hallicus Longus Fibula Ventral surface of 1st distal phalanx  Plantarflexion and inversion, flexes big toe Kuzmich, 2009

Attribute Chart- Foot/Lower Leg Muscles: Lateral Group Critical Thinking Strategies for Diverse Learners Attribute Chart- Foot/Lower Leg Muscles: Lateral Group What is the Muscle? What is the origin? Insertion? What is the function of the muscle? Peroneus Longus Fibula Ventral surface of 1st metatarsal and medial cuneiform Eversion and plantarflexion Peroneus Brevis Proximal 5th metatarsal   Kuzmich, 2009

Medial and Lateral Muscles

Closure Finish your “L” and “T” columns on your BLT sheet Share your information with a neighbor