Joints, Ligaments, Bursa of the Foot Flashcards
The head of the fibula articulates with the lateral condyle of the tibia
Proximal Tibiofibular Joint
What kind of joint is the Proximal Tibiofibular Joint?
Synovial, Plane
Available movements of the Proximal Tibiofibular Joint
- Limited superior glide with dorsiflexion
- Also get posterior translation of the fibular head - Limited inferior glide with plantarflexion
- Also get anterior translation of the fibular head
Ligaments of the Proximal Tibofibular joint
- Anterior ligament of fibular head
2. Posterior ligament of fibular head
Attaches anterior proximal tibia to anterior proximal fibula
Anterior ligament of fibular head
Attaches posterior proximal tibia to posterior proximal fibula
Posterior ligament of fibular head
The distal end of the fibula articulates with the distal end of the tibia
Distal Tibiofibular Joint
What kind of joint is the Distal Tibiofibular Joint?
Fibrous
A thickening of the interosseous membrane at its distal end
Interosseous ligament
Attaches anterior distal tibia –> anterior distal fibula
Anterior tibiofibular ligament
Attaches posterior distal tibia –> posterior distal fibula
Posterior tibiofibular ligament
The distal ends of the tibia and fibula articulate with the trochlea
Talocrural Joint
What type of joint is the Talocrural Joint?
synovial, hinge
What is the ankle joint?
Talocrural joint
Talocrural joint’s available movements
- Dorsiflexion
- Plantarflexion
During dorsiflexion, how does the talus move?
superiorly
During dorsiflexion, the talus forces the tibia and fibula apart. Which affects what?
The proximal and distal tibiofibular joints.
What are the ligaments of the distal tibiofibular joint?
- Interosseous ligament
- Anterior tibiofibular ligament
- Posterior tibiofibular ligament
Ligaments of the Talocrural Joint.
- Deltoid Ligament
- Anterior Talofibular Ligament (ATFL)
- Calcaneofibular Ligament
How many ligaments make up the Delta Ligament? What are they?
- Anterior Tibiotalar
- Tibionavicular
- Tibiocalcaneal
- Posterior Tibiotalar
Where does the deltoid ligament attach?
What does it check?
Medial malleolus –> tarsal bones of the medial foot
eversion of the ankle
What ligament is involved with 95% of ankle sprains?
Anterior Talofibular Ligament
Where does the anterior talofibular ligament attach and what does it check?
Attaches: lateral malleolus –> neck of talus
Checks: Inversion (especially in plantar flexion)
Generally, the ligament taut, is the ligament ____.
injured
In plantar eversion _____ is taut
Anterior ligaments
In neutral eversion ____ is taut
All
In dorsi eversion ____ is taut
Posterior ligaments
Attaches the lateral malleolus to the lateral calcaneus
Calcaneofibular Joint
What does the calcaneofibular joint check?
Inversion (when ankle is neutral)
What are the fibres like in calcaneofibular joint?
Relatively verticle fibres.
What are two bursae of the calcaneofibular joint?
- Subcutaneous Calcaneal
2. Subtendinous Calcaneal
What is the A.k.a for the subcutaneous calcaneal?
Retrocalcaneal
What is the bursa between the Achilles tendon and the overlying skin?
Subcutaneous Calcaneal
What is the bursa between the Achilles tendon and the calcaneous?
Subtendinous Calcaneal
What are three Intertarsal Joints?
- Subtalar
- Talocaneonavicular
- Calcaneocuboid
The inferior aspect of the talus articulates with the superior aspect of the calcaneus
Subtalar Joint
What kind of joint is the Subtalar Joint?
Synovial, plane
What are the subtalar joints available movements?
Inversion, Eversion
Movements are supported by movements at other joints of the foot
Subtalar joints are supported by which ligaments?
Talocalcaneal Ligaments
Articulation between the talus and calcaneus and the navicular
Talocalcaeonavicular Joint
What kind of joint is the talocalcaneonavicular joint?
Synovial, Ball and Socket
Ligaments of the talocalaneonavicular joint
- Plantar Calcaneonavicular Ligament
A.k.a for Plantar Calcaneonavicular Ligament
Spring ligament
Spring ligament attchments
Sustentaculum Tali –> Posteroinferior surface of the navicular
What does the Plantar Calcaneonavicular Ligament do?
Helps maintain the medial longitudinal arch.
Ligament stretched–> head of the talus can sink resulting in a flat food
What is flat food called?
Pes Planus
The articulation between the calcaneus an the cuboid.
Calcaneocuboid Joint
What kind of joint is the calcaneocuboid joint?
Synovial, plane
Ligaments of the Calcaneocuboid Joint
Long plantar ligament
Where does the long plantar ligament attach?
Plantar surface of the calcaneus –> cuboid and the bases of the 2nd, 3rd, 4th MTs
What does the Long Plantar Ligament do?
- Helps maintain the arches of the foot
- Forms a tunnel for the tendon peroneus longus
The talocalcaneonavicular joint and the calcaneocuboid joint are referred to as…
The transverse tarsal joint
A.k.a for the Transverse Tarsal Joint
Midtarsal Joint
Available movements for the Transverse Tarsal Joint
Helps increase the inversion/eversion range by allowing abduction and adduction of the forefoot
The distal 4 tarsal bones articulate with the base of the metatarsals
Tarsometatarsal Joints
Type of joint is the Tarsometatarsal Joint?
Synovial, plane
Available movement of the Tarsometatarsal Joint
Limited due to tight binding of bones
Ligaments of the Tarsometatarsal Joint
Dorsal, plantar, and interosseus ligaments
Base of the metatarsals
Intermetatarsal
Type of joint of Intermetatarsal
Synovial, Plane
Available movements of intermetatarsal
Limited due to tight binding of bone
Ligaments of Intermetatarsal
The bases of the 2nd through to the 5th metatarsals are firmly bound by DORSAL, PLANTAR, and INTEROSSEUS ligaments.
The heads of the metatarsals articulate with the bases of the proximal phalanges
Metatarsophalangeal (MTP) Joints
What kind of joint is the metatarsaophalangeal joint?
Synovial, condyloid
Available movements of metatarsophalaneal joint
Flexion/Extension (toes curl)
Some abduction/adduction/circumduction (splay toes)
What are the ligaments of the metatarsophalangeal joint?
- Collateral Ligaments: on either side of the joints
2. Plantar Plate (ligaments): plantar surface of the joint capsules are thickened to form
The head of one phalanx articulates with the base f the phalanx distal to it
Interphalangeal joints (PIP/DIP)
What is PIP/DIP?
Proximal InterPhalangeal
Distal InterPhalangeal
Available movements of Interphalangeal Joints
Flexion/Extension
Ligaments of Interphalangeal joints
collateral ligaments
The bones of the foot form arches, which act as ___.
Shock Absorbers
What are the three arches?
- Medial Longitudinal
- Lateral Longitudinal
- Transverse Arch
The arches are supported by.. (4)
- The shape of the interlocking bones (!!!!mainly!!!!)
- The ligaments
- The Fascia
- The action of the muscles
The bones of the Medial Longitudinal Arch
Calcaneus, Talus, Navicular, 3 cuneiforms, metatarsals 1-3
Bones of the Lateral Longitudinal Arch
Calcaneus, Cuboid, Metatarsals 4, 5
Which arch should not make contact with the ground? What is it used for?
Medial Longitudinal Arch, used for propulsion (spring lig)
This arch involves the whole length of the foot
Transverse Arch
Bones of the anterior portion of the Transverse Arch
Head of 1st MT to the head of the 5th MT
Bones of the middle portion of the Transverse Arch
Cuneiform 1 to cuboid
Bones of the posterior portion of the Transverse Arch
Navicular to cuboid
The thick, central fascia on the sole of the foot
Plantar Fascia
A.k.a Plantar Fascia
Plantar Aponeurosis
What is the Windlass Mechanism?
Toe extends–> Plantar fascia tightens–> Pulls calcaneus anteriorly/distally –> elevates arches –> puts foot in supination