Ankle Eversion from Plantar Flexion PDF

# 1446 H/2024 A.D ## Ankle Eversion from Plantar Flexion ### **Description of Image:** - An image of the ankle joint. - The image highlights the peroneus longus and peroneus brevis tendons. - The image includes labels for the following body parts: fibula, calcaneus, extensor digitorum longus, cuboi...

# 1446 H/2024 A.D ## Ankle Eversion from Plantar Flexion ### **Description of Image:** - An image of the ankle joint. - The image highlights the peroneus longus and peroneus brevis tendons. - The image includes labels for the following body parts: fibula, calcaneus, extensor digitorum longus, cuboid, 5th metatarsal. ### **Manual Muscle Test 200 PHT - Theoretical Part** - Jazan University, College of Nursing and Health Sciences, Physical Therapy Department. ## 26th Lecture: Theoretical Part: Ankle Eversion from Plantar Flexion ### Objectives: at the end of this lecture the student will be able to: 1. Identify the primary muscles involved in ankle eversion from plantar flexion. 2. Identify the range of motion of ankle eversion from plantar flexion. 3. Describe effect of weakness of ankle eversion from plantar flexion. 4. Describe effect of contracture of ankle eversion from plantar flexion. ### Content: 1. Primary muscles involved in ankle eversion from plantar flexion. 2. Range of motion of ankle eversion from plantar flexion. 3. Effect of weakness of ankle eversion from plantar flexion. 4. Effect of contracture of ankle eversion from plantar flexion. ### Ankle Eversion from Plantar Flexion #### Primary Muscles: - Peroneus longus. - Peroneus brevis #### Accessory Muscles: - Extensor digitorum longus. - Peroneus tertius. ### Range of Motion: - The range of motion of foot eversion is of 15° to 25°. ### Anatomy of Peroneus Longus: #### Origin: - From tibia: Lateral condyle of tibia. - From fibula: Head of fibula and upper two thirds of lateral shaft of fibula. #### Insertion: - Plantar aspect of base of 1st metatarsal and medial cuneiform. #### Action: - Plantar flexes and everts foot. - Supports lateral longitudinal and transverse arches #### Nerve: - Peroneal nerve. ### Description of Image: - A second image of the ankle joint with a focus on the peroneus longus muscle. - Shows the origin and insertion of the Peroneus longus muscle - The image includes labels for the following body parts: fibula, calcaneus, extensor digitorum longus, cuboid, 5th metatarsal, common peroneal nerve, Peroneus longus. ### Anatomy of Peroneus Brevis Muscle: #### Origin: - Lower two thirds lateral shaft of fibula #### Insertion: - Tuberosity of base of 5th metatarsal #### Action: - Plantar flexes and everts foot. - Supports lateral longitudinal. #### Nerve: - Peroneal nerve. ### Description of Image: - A third image of the ankle joint with a focus on the peroneus brevis muscle. - Shows the origin and insertion of the Peroneus brevis muscle - The image includes labels for the following body parts: fibula, calcaneus, extensor digitorum longus, cuboid, 5th metatarsal. ### Effects of weakness: - Decreases the strength of eversion of the foot and planter flexion of the ankle joint. - Allows a varus position of the foot. - Lessens the ability to rise on the toes. - Decreases lateral stability of the foot. ### Effects of contracture of peroneus longus and brevis: - Results in an everted or valgus position of the foot. ### Description of Image: - A fourth image showing a foot in three positions: - Eversion - Neutral Position - Inversion - Also includes a posterior view of a right foot in a valgus position. - The image includes labels for the following: - Medial malleolus - Achilles tendon - Posterior View, Right foot - Figure 3: Everted or Valgus Foot.