Main Menu. Ankle and Foot Joints click here. The Power is in Your Hands
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1 1 The Ankle and Foot Joints click here Main Menu Copyright HandsOn Therapy Schools 2009 K.8 1:40:03 PM]
2 Ankle and Foot Joint 26 bones 19 large muscles Many small (intrinsic) muscles More than 100 ligaments Support and propulsion Foot trouble - common ailment Poor foot mechanics leads to foot discomfort No substitute for adequate muscular development, strength, and proper foot mechanics Walking and running : Stance phase Heel-strike occurs when landing on heel, foot should be in supination Midstance immediately follows with foot moving into pronation Toe-off follows midstance, foots returns to supination prior to and during push off Walking and running : Swing phase occurs when foot leaves ground & leg moves forward to another point of contact Problems arise foot is too rigid and does not pronate adequately foot remains in pronation past midstance Walking one foot is always in contact with ground Running point when neither foot is in contact with ground Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:40:17 PM]
3 Walking Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:40:30 PM]
4 26 bones in each foot that form arch Bones Body weight is transferred from tibia to talus and calcaneus (tarsal bones) 5 other rear and midfoot tarsal bones Navicular - between talus and 3 cuneiform bones Cuboid - between calcaneus and 4 th and 5 th metatarsals 5 metatarsals - anterior to tarsals 5 phalanges : 3 phalanxes in each except 1 st toe (2 phalanxes) ; 2 sesamoids beneath 1 st metatarsophangeal joint Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:40:43 PM]
5 Bones Distal malleoli of tibia and fibula Enlarged and protrude horizontally and inferiorly Serve as pulley for posterior tendons to increase mechanical advantage of muscles in performing inversion and eversion actions Pulley for posterior tendons Peroneus brevis and peroneus longus - immediately behind lateral malleolus Tom, Dick and Harry muscles immediately posterior to medial malleolus : Tibialis posterior ; Flexor digitorum longus ; Flexor hallucis longus Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:41:01 PM]
6 Bones 1:41:14 PM]
7 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:41:14 PM]
8 Bones Base of 5th metatarsal enlarged and prominent to serve as insertion for peroneus brevis and tertius Tibialis anterior inserts on inner surface of medial cuneiform and base of 1 st metatarsal Peroneus longus inserts on undersurface of medial cuneiform and 1 st metatarsal Tibialis posterior - multiple insertions on lower inner surfaces of navicular, cuneiform, and 2 nd - 5 th metatarsal base Extensor digitorum longus inserts on tops of 2 nd - 5 th distal phalanxes bases Flexor digitorum longus inserts on undersurfaces of 2 nd - 5 th distal phalanxes bases Extensor hallucis longus inserts on top of 1 st distal phalanx base Flexor hallucis longus inserts on undersurface of 1 st distal phalanx base Posterior surface of calcaneus very prominent and serves as insertion for Achilles tendon of gastrocnemius-soleus complex Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:41:29 PM]
9 Bones Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:41:51 PM]
10 Joints Tibiofibular joint Syndesmotic amphiarthrodial joint Joined at both proximal and distal tibiofibular joints Ligaments and a strong, dense interosseus membrane between tibia and fibula shafts provide support Minimal movement possible Distal joint becomes sprained occasionally in heavy contact sport Syndesmosis joint sprain High ankle sprain primarily involves anterior inferior tibiofibular ligament More severe injuries can involve posterior tibiofibular ligament, interosseus ligament, and interosseus membrane Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:42:04 PM]
11 Joints Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:42:17 PM]
12 Ankle joint (talocrural joint) Ankle joint (talocrural joint) Hinge or ginglymus-type joint Talus, distal tibia, and distal fibula 50 degrees of plantar flexion 15 to 20 degrees of dorsiflexion Greater range of dorsiflexion with knee flexed (reduces gastrocnemius tension) Fibula rotates 3 to 5 degrees externally with ankle dorsiflexion and 3 to 5 degrees internally during plantarflexion Syndesmosis joint widens by 1 to 2 millimeters during full dorsiflexion 1:42:36 PM]
13 Subtalar and transverse tarsal joints Inversion and eversion occurs here Classified as gliding or arthrodial Combined movement of 20 to 30 degrees of inversion 5 to 15 degrees of eversion Intertarsal & tarsometatarsal joints Arthrodial Minimal movement Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Next 1:42:54 PM]
14 Metatarsophalangeal joints I Phalanges join metatarsals Classified as condyloid-type joints Great toe metatarsophalangeal (MP) joint flexes 45 degrees & extends 70 degrees MP joints of the four lesser toes 40 degrees of flexion 40 degrees of extension also abduct & adduct minimally Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:43:10 PM]
15 Metatarsophalangeal joints I Phalanges join metatarsals Classified as condyloid-type joints Great toe metatarsophalangeal (MP) joint flexes 45 degrees and extends 70 degrees MP joints of the four lesser toes 40 degrees of flexion 40 degrees of extension also abduct & adduct minimally Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:43:24 PM]
16 Great Toe Joint I Great toe interphalangeal (IP) joint flexes from 0 degrees of full extension to 90 degrees of flexion Proximal interphalangeal (PIP) joints in lesser toes flexes from 0 degrees of extension to 35 degrees of flexion Distal interphalangeal (DIP) joints flexes 60 degrees & extend 30 degrees Much variation from joint to joint & from person to person Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:43:37 PM]
17 Joints Ankle sprains very common injury Sprains involve stretching or tearing of one or more ligaments Most common ankle sprain results from excessive inversion that causes damage to lateral ligamentous structures, primarily anterior talofibular ligament & calcaneofibular ligament Excessive eversion forces injures deltoid ligament (medially) - less common Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:44:01 PM]
18 Sprains Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:45:17 PM]
19 Joints Ligaments in foot and ankle maintain arches Two longitudinal arches Medial longitudinal arch - extends from calcaneus bone to talus, navicular, 3 cuneiforms, and proximal ends of 3 medial metatarsals Lateral longitudinal arch - extends from calcaneus to cuboid and proximal ends of 4 th and 5 th metatarsals Long arches may be high, medium, or low Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:45:48 PM]
20 Arches Transverse arch extends across foot from 1 st metatarsal to the 5 th metatarsal 1:46:00 PM]
21 Movements Dorsiflexion (flexion) movement of top of ankle and foot toward anterior tibia Plantar flexion (extension) movement of ankle and foot away from tibia Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:46:17 PM]
22 Movements Eversion turning ankle and foot outward; abduction, away from midline; weight is on medial edge of foot Inversion turning ankle and foot inward; adduction, toward midline; weight is on lateral edge of foot 1:46:29 PM]
23 Movements Toe flexion movement of toes toward plantar surface of foot Toe extension movement of toes away from plantar surface of foot 1:46:46 PM]
24 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. 1:46:46 PM]
25 Movements Pronation combination of ankle dorsiflexion, subtalar eversion, and forefoot abduction (toe-out) Supination combination of ankle plantar flexion, subtalar inversion, & forefoot adduction (toe-in) 1:47:08 PM]
26 Muscles Group according to location and function Anterior ankle and foot - dorsal flexors Posteriorly - plantar flexors : triceps surae ; gastrocnemius and soleus Laterally - evertors Medially - invertors Lower leg - divided into 4 compartments Dense fascia - tightly surrounds and binds each Facilitates venous return and prevents excessive swelling of muscles during exercise Anterior compartment Dorsiflexor group - tibialis anterior, peroneus tertius, extensor digitorum longus, and extensor hallucis longus Lateral compartment Peroneus longus and peroneus brevis (two most powerful evertors) Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:47:25 PM]
27 Muscles Superficial posterior compartment Gastrocnemius, soleus, and plantaris - plantar flexors Deep posterior compartment Flexor digitorum longus, flexor hallucis longus, popliteus, and tibialis posterior All are plantar flexors and invertors except popliteus 1:47:36 PM]
28 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:47:36 PM]
29 Muscles Acute and chronic injuries are common Shin splints - common term describing painful leg condition often associated with running activities Not a specific diagnosis Attributed to a number of different specific musculotendinous injuries Most often involves tibialis posterior, medial soleus, or anterior tibialis, but may also involve extensor digitorum longus May be partially prevented by stretching plantar flexors and strengthening dorsiflexors Painful cramps - acute muscle spasm in gastrocnemius and soleus Occur somewhat commonly May be relieved through active and passive dorsiflexion Complete rupture of Achilles tendon very disabling injury Several ankle and foot muscles produce more than one movement Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:47:53 PM]
30 Muscles Evertors Peroneus (fibularis) longus Peroneus (fibularis) brevis Peroneus (fibularis) tertius Extensor digitorum longus 1:48:07 PM]
31 1:48:07 PM]
32 Muscles Dorsiflexors Tibialis anterior Peroneus (fibularis) tertius Extensor digitorum longus (extensor of lesser toes) Extensor hallucis longus (extensor of great toe) 1:48:25 PM]
33 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:48:25 PM]
34 Muscles Invertors Tibialis anterior Tibialis posterior Flexor digitorum longus (flexor of lesser toes) Flexor hallucis longus (flexor of great toe) 1:48:40 PM]
35 1:48:40 PM]
36 Muscles Anterior compartment Tibialis anterior Extensor hallucis longus Extensor digitorum longus Peroneus (fibularis) tertius 1:49:01 PM]
37 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:49:01 PM]
38 Muscles Lateral compartment Peroneus (fibularis) longus Peroneus (fibularis) brevis 1:49:18 PM]
39 1:49:18 PM]
40 Muscles Deep posterior compartment Flexor digitorum longus Flexor hallucis longus Tibialis posterior Superficial posterior compartment Gastrocnemius (medial head) Gastrocnemius (lateral head) Soleus 1:49:35 PM]
41 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:49:35 PM]
42 Gastrocnemius Muscle Plantar flexion of ankle Flexion of knee Copyright 2007 McGraw-Hill Higher Education. All rights reserved. 1:49:50 PM]
43 Soleus Muscle Plantar flexion of ankle Copyright 2007 McGraw-Hill Higher Education. All rights reserved. 1:50:07 PM]
44 Peronius longus (fibularis) Muscle Eversion of foot Plantar flexion of ankle 1:50:28 PM]
45 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:50:28 PM]
46 Peronius brevis (fibularis) Muscle Eversion of foot Plantar flexion of ankle 1:50:44 PM]
47 Peronius tertius (fibularis) Muscle Eversion of foot Dorsiflexon of ankle 1:51:00 PM]
48 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:51:00 PM]
49 Extensor Digitorum Longus Muscle Extension of four lesser toes at metatarsophalangeal, proximal and distal interphalangeal joints Eversion of foot Dorsiflexon of ankle 1:51:19 PM]
50 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. 1:51:19 PM]
51 Extensor Hallucis Longus Muscle Extension of great toe at metatarsophalangeal, and interphalangeal joints Weak inversion of foot Dorsiflexon of ankle 1:51:37 PM]
52 Tibialis Anterior Muscle Inversion of foot Dorsiflexion of ankle Copyright 2007 McGraw-Hill Higher Education. All rights reserved. 1:51:58 PM]
53 Tibialis Posterior Muscle Inversion of foot Plantar flexion of ankle Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:52:16 PM]
54 Flexor Digitorum Longus Muscle Inversion of foot Plantar flexion of ankle Flexion of 4 lesser toes at metatarsophalangeal, proximal and distal interphalangeal joints Copyright 2007 McGraw-Hill Higher Education. All rights reserved. 1:52:29 PM]
55 Flexor Hallucis Longus Muscle Inversion of foot Plantar flexion of ankle Flexion of great toe at metatarsophalangeal, andl interphalangeal joints Copyright 2007 McGraw-Hill Higher Education. All rights reserved. 1:52:47 PM]
56 Intrinsic Muscles of the Foot First (superficial) layer: Abductor hallucis, flexor digitorum brevis, abductor digiti minimi (quinti) Second layer: Quadratus plantae, lumbricales (4) Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:53:04 PM]
57 Intrinsic Muscles of the Foot Third layer: Flexor hallucis brevis, adductor hallucis, flexor digiti minimi (quinti) brevis Fourth (deep) layer: Dorsal interossei (4), plantar interossei (3) Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:53:19 PM]
58 Intrinsic Muscles of the Foot Grouped by location Medial - attach to great toe proximal phalanx Abductor hallucis and flexor hallucis brevis - medially Adductor hallucis - centrally beneath metatarsals Central location Beneath the foot : Quadratus plantae, 4 lumbricales, 4 dorsal interossei, 3 plantar interossei, flexor digitorum brevis Dorsal compartment : Extensor digitorum brevis Lateral attach on lateral aspect of base of 5 th phalange proximal phalanx abductor digiti minimi, flexor digiti minimi brevis quinti is sometimes used instead of minimi Grouped by action 4 muscles act on great toe abductor hallucis - abduction of great toe and assists flexor hallucis brevis in flexing great toe at MP joint adductor hallucis - adduction of great toe extensor digitorum brevis - extension of great toe at MP joint 4 lumbricales flexors of the 2 nd, 3 rd, 4 th, and 5 th phalanges at MP joints quadratus plantae flexors of 2 nd, 3 rd, 4 th, and 5 th phalanges at DIP joints 3 plantar interossei adductors and flexors of proximal phalanxes of 3 rd, 4 th, and 5 th phalanges 1:53:31 PM]
59 4 dorsal interossei abductors and flexors of 2 nd, 3 rd, and 4 th phalanges MP joints flexor digitorum brevis flexes middle phalanxes of 2 nd, 3 rd, 4 th, and 5 th phalanges extensor digitorum brevis extends great toe and 2 nd, 3 rd, 4 th phalanges at MP joints 5 th toe muscles abductor digiti minimi abducts proximal phalanx flexor digiti minimi brevis flexes proximal phalanx Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:53:31 PM]
60 Ankle Dorsiflexion Agonists Tibialis anterior Extensor digitorum longus Peroneus (fibularis) tertius : Extensor hallucis longus 1:53:47 PM]
61 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. 1:53:47 PM]
62 Ankle Plantar Flexion Agonists Gastrocnemius Soleus : Flexor digitorum longus Flexor hallucis longus Peroneus (fibularis) longus Peroneus (fibularis) brevis Plantaris Tibialis posterior 1:55:05 PM]
63 1:55:05 PM]
64 Transverse Tarsal and Subtalar Inversion Agonists Tibialis anterior Tibialis posterior : Flexor digitorum longus Flexor hallucis longus 1:56:59 PM]
65 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:56:59 PM]
66 Transverse Tarsal and Subtalar Eversion Agonists Peroneus (fibularis) longus Peroneus (fibularis) brevis Peroneus (fibularis) tertius Extensor digitorum longus Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:57:16 PM]
67 Toe Flexion Agonists Flexor hallucis longus Flexor digitorum longus Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 Next 1:57:30 PM]
68 Toe Extension Agonists Extensor hallucis longus Extensor digitorum longus 1:57:48 PM]
69 Copyright 2007 McGraw-Hill Higher Education. All rights reserved. Back Copyright HandsOn Therapy Schools 2009 K8 1:57:48 PM]
70 To Test Access Code: E6FX7 Please write down code. You will be asked for it Once you have successfully passed the test (70% correct), please Kim Jackson at We will you your CE certificate within 7 business days.
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