Foot Flashcards
What is the correct name of the ankle joint?
Talocrural joint
Pronation consists of what 3 movements?
Dorsiflexion
Eversion
Abduction
What type of joint classification is the distal tibiofibular joint?
Syndesmosis
What nerve does the tibial nerve originate from?
Sciatic nerve
What part of the spinal column does the common fibular nerve originate?
L4-S2
The superficial fibular nerve innervates what muscles?
Fibularis longus
Fibularis brevis
Which nerve innervates the fibularis tertius? Level?
Deep fibular nerve
L5/S1
Pes planus has what effect on the knee and hip?
What ligament of the knee does is stress?
Hip enters a position of internal rotation
Valgus stress is applied to the knee
Stressing the M.C.L
Pes cavus has what effect on the knee and hip?
What ligament of the knee does is stress?
Hip enters into a position of external rotation
Varus stress applied to the knee
Stressing the L.C.L
Supination consists of what 3 movements?
Plantarflexion
Inversion
Adduction
What is the origin & insertion of the fibularis longus?
O- Head of fibula, proximal 2/3 of lateral surface of fibula
I-Medial cuneiform bone, metatarsal bone 1
What is the origin & insertion of the fibularis brevis?
O- Distal 2/3 of the lateral surface of fibula
I- Tuberosity of the 5th metatarsal bone
What is the origin & insertion of the fibularis tertius?
O- Medial surface (distal third) of fibula, interosseous membrane (anterior surface),
I- Dorsal surface of base of metatarsal bone 5
What type of joint is the distal tibiofibular?
Fibrous
Describe the articulation of the distal tibiofibular joint?
The distal (inferior) tibiofibular joint consists of an articulation between the fibular notch of the distal tibia and the fibula.
Which ligament resists inversion of the ankle?
Lateral collateral ligament
Which ligament resists eversion of the ankle?
Deltoid ligament
Which bursa prevents friction between the deltoid ligament and the medial malleolus?
Subcutaneous bursa of the ankle
Which ligament prevents displacement of the head of the talus?
Calcaneonavicular ligament (spring ligament)
Which 3 ligaments contribute towards the formation of the lateral collateral ligament of the ankle?
Anterior talofibular ligament (ATFL)
Posterior talofibular ligament (PTFL)
Calcaneofibular ligament (CFL)
Which ligament attaches from the distal fibula to the neck of the talus?
Anterior tibiofibular ligament (ATFL)
Which ligament attaches from the posterior fibular to the posterior talus?
Posterior talofibular ligament (PTFL)
Describe the ROM for the following Plantarflexion Dorsiflexion Inversion Eversion Supination Pronation
Plantarflexion 50 degrees Dorsiflexion 20 degrees Inversion 10 degrees Eversion 15 degrees Supination 45 to 60 degrees Pronation 15 to 30 degrees
The deltoid ligament is made from how many ligaments?
4
State the ligaments involved in the formation of the deltoid ligament.
Anterior & Posterior tibiotalar ligament
Tibionavicular ligament
Tibiocalcaneal ligament
Which deltoid ligament attaches to the talus? Anteriorly
Anterior & Posterior tibiotalar ligament
Which ligament runs from the medial malleolus to the naviuclar bone?
Tibionavicular ligament
Which muscle attaches to the navicular tuberosity?
Tibialis posterior
What is the insertion of the tibialis posterior?
Tuberosity of navicular bone, all cuneiform bones, cuboid bone, bases of metatarsal bones 2-4
Which nerve innervates the tibialis posterior?
Tibial nerve (L4, L5)
Which muscles contribute towards the formation of the achilles tendon?
gastrocnemius and soleus
The achillies tendon attach to?
calcaneal tuberosity
Which artery runs along the superior surface of the navicualar bone?
Dorsal pedis
What is a retinaculum?
A connective tissue flat sheath
How many bursa are in the foot?
3
Where will you find the plantar fascia? Plantar surface of foot Dorsum surface of foot Medial border of foot Lateral border of foot
Plantar surface of foot
What is the nerve root for the Peroneal nerve?
L4 to S2
Which veins drain the ankle and foot?
Dorsal and plantar arches
Which structure limits inversion of the ankle joint?
Sustentaculum tali of the calcaneus coming into contact with the talus
What is the anterior artery of the ankle?
Dorsal pedis/Anterior tibial
What is plantar fascia?
A thickened band of fascia, deep within the soul of the foot
What are the attachments of the plantar fascia?
Tubercle of the calcaneus
Planter surface of the 5 toes
Laterally onto the metatarsals
What is a retinaculum?
A flattened sheath of connective tissue
Which 2 retinaculum structures help to stabilize the doriflexors of the ankles?
Superior and inferior flexor retinaculum
Which dermatome innervates,
The the big toe
The 2nd to 4th toes
The 5th toe
The the big toe L4
The 2nd to 4th toes L5
The 5th toe S1
The peroneal longus muscle runs through which sulcus of which bone?
Peroneal sulcus of the cuboid bone
Which bursa is situated between the achellies tendon and the calcaneus?
Retrocalcaneal bursa
Which bursa is situated between the calcaneus and skin?
Subcutaneous calcaneal bursa
Which membrane prevents seperation of the tibia and fibula?
Interosseus membrane
The sural nerve is made from?
The sural nerve is a sensory nerve in the calf region (sura) of the leg. It is made up of branches of the tibial nerve and common fibular nerve, the medial cutaneous branch from the tibial nerve, and the lateral cutaneous branch from the common fibular nerve.
What does the sural nerve supply?
Posterior compartment of the leg
Lateral ankle
Lateral surface of the foot
As the tibial nerve passes the sustentaculum tali of the calcaneus is splits into?
Medial & Lateral Plantar nerves
What is an aponerosis?
Hybrid of fascia and tendon
Which ligaments distally bind the tibiofibular joint? (2)
Which membrane helps to stabilize the tibiofibular junction?
Anterior and Posterior tibiofibular ligaments
Transverse ligament
Interosseus membrane
What is the interosseus membrane?
What does it connect to?
Inter= inbetween
Osseus= bone
The interosseus boarder of the tibia and fibula
Which ligament binds the calcaneus to the cuboid?
The calcaneocuboid ligament
what type of joint is the calcaneocuboid joint?
Synovial saddle joint
Which ligament bind the talus to the navicular bone?
Talonavicular ligament
What type of joint is the talocalcaneonavicular joint?
Synovial Ball and socket joint
Which dermatome supplies the lateral half of the 1st, 2nd, 3rd, 4th digit on the dorum of the foot?
L5
Which dermatome supplies the 5th digit on the dorum of the foot?
L5
Which dermatome supplies the 1st digit on the dorum of the foot?
L4
Which dermatome supplies the dorsal surface of the foot?
L5
Which dermatome supplies the Lateral surface of the posterior compartment of the leg?
S1
Which dermatome supplies the medial surface of the posterior compartment of the leg?
S2
Inflammation of the sheath of a muscle is called?
Teno..
Tenosynovitis
Inflammation of a muscle is called?
Myositis
Inflammation of a bone is called?
Osteomyelitis
The articulation between the tarsals and metatarsals is called?
What type of joint is this?
The tarsalmetatarsal joint
Synovial gliding
The articulation between the metatarsals and phalanges is called?
The metatarsophalangeal joint. MTP
Ellipsoid joint