Bones & Movement Terminology of the Lower Limb Flashcards
Area between greater trochanter and the iliac crest
Hip
Area between the greater trochanter and the knee
Thigh
Segment of the inferior limb between the knee and the ankle
Leg
How many bones are in the foot?
26
What are the three sections of bones in the foot?
- Tarsal Bones
- Metatarsal Bones
- Phalanges
How many tarsal bones are there?
7
How many metatarsal bones are there?
5
How many phalanges are there?
14
Dorsal Surface
Top of foot
Plantar Surface
Sole of foot
Most Proximal bone of the foot
Talus
What is the top of talus called?
Trochlea
Medial aspect of talus is the facet for?
Medial malleolus
Lateral aspect of the talus is the facet for?
Lateral malleolus
The body of the talus is what portion of the bone?
Posterior portion
The head of the talus is the most?
Anterior portion
Largest and strongest of the foot bones
Calcaneus
What part of the calcaneus contacts the ground?
Tuberosity
What are the processes called on the calcaneus?
Medial and lateral tubercle
Medially projecting shelf of the calcaneus that supports part of the talus
Sustentaculum tali
On the calcaneus what is the small tubercle anterior and inferior to the tip of the lateral malleolus
Fibular (peroneal) and trochlea (tubercle)
A hollow on the lateral aspect of the foot formed by the groove of the talus and the groove of the calcaneus
Sinus Tarsi
Navicular
-Medial aspect of foot
-Articulates posteriorly with the talus
-Articulates anteriorly with the 3 cuneiform’s
Cuniforms
-1st, 2nd, 3rd OR medial, intermediate, lateral
-They articulate with the numerically corresponding metatarsal
Cuboid
-Lateral aspect of foot
-Groove for peroneus longus tendon
-Articulates anteriorly with the 4th and 5th metatarsals
-Articulates posteriorly with the calcaneus
Metatarsals
- 1st. - 5th.
-Base (Proximal end), Shaft, Head (distal end)
-Tuberosity of the 5th is located on the lateral side of base
1st Mt - 2 Sesamoid bones
Bone embedded in a tendon
Sesamoid
Phalanges
-Total 14
-Base ( proximal end)
-Head (distal end)
-3 bones per toe except the 1st (only 2)
Hindfoot
Talus and Calcaneus
Midfooot
Navicular, cuboid, & 3 cuneiforms
Forefoot
5 MTs and 14 phalanges
Ball of Foot
Padded portion of the sole of the foot at the metatarsal heads
Dorsiflexion
Dorsal of the foot moves superiorly
Foot up or bending knee over toe
What plane and axis is dorsiflexion
Sagittal Pane, M-L axis
Plantar Flexion
Plantar surface of the foot moves inferiorly
Point toe or relever
What plane and axis is plantar flexion
Sagittal plane, M-L axis
Inversion
Movement of the sole of the foot towards the midsagittal plane
What plane and axis is inversion
Frontal plane, A-P axis
What plane and axis Eversion
Frontal plane, A-P axis
Eversion
Movement of the sole of the foot away from the midsagittal plane
Abduction of the forefoot
Movement of the forefoot away from the midline of the body
What plane and axis is abduction of the forefoot
Transverse plane, vertical axis
What plane and axis is adduction of the forefoot
Transverse plane, vertical axis
Adduction of the forefoot
Movement of the forefoot towards from the midline of the body
Pronation
A combination movement of dorsiflexion, eversion, forefoot abduction
Supination
Combination movement of plantar flexion, inversion, forefoot adduction
Tibia
-Shin Bone
-Primary weight bearing bone in leg
Fibula
-Carries 1/6th body weight
Fibula (Anterior View)
-Apex
-Head
-Neck
-Shaft
-Interosseous border
-lateral malleolus
Lateral Malleolus
Lateral projection of your ankle
Tibia (Anterior View)
- Lateral Condyle
-Intercondylar Eminence
-Medial Condyle
-Medial and lateral condyles articulate with the femoral condyles
-Shaft
-Interosseous border
-Medial Malleolus
Gerdy’s Tubricle (Lateral Tibial Tubercle)
Large prominence lateral and superior to the tibial tuberosity
Tibia (Posterior View)
-Lateral Condyle
-Intercondylar Eminence
-Medial Condyle
-Shaft
-Interosseous Border
-Medial Malleolus
-Soleal Line
Proximal Tibiofibular Joint
Head of fibula articulates with the lateral condyle of the tibia
-Flat oval/circular facet on the fibular head which articulates with a similar facet on the tibia
-Synovial
-Plane
Proximal Tibiofibular Joint Movements (Dorsiflexion)
Limited superior and posterior glide
Proximal Tibiofibular Joint Movements (Plantar Flexion)
Limited inferior and anterior glide
Proximal Tibiofibular Joint Ligament Attaches (Anterior Ligament of the Fibularhead)
Anterior proximal tibia to anterior proximal fibula
Proximal Tibiofibular Joint Ligament Attaches (Posterior Ligament of the Fibularhead)
Posterior proximal tibia to posterior proximal fibula
Distal Tibiofibular Joint
-Distal end of fibula articulates with the distal end of the tibia
-Fibrous
Interosseous Membrane
Strong connective tissue between the tibia and the fibula which thickens at the distal end
Distal Tibiofibular Joint Attaches (Anterior Tibiofibular Ligament)
Anterior distal tibia to anterior distal fibula
Distal Tibiofibular Joint Attaches (Posterior Tibiofibular Ligament)
Posterior distal tibia to posterior distal fibula
Talocrural Joint
-Distal end of the tibia and fibula articulate with the trochlea of the talus
-Synovial
-Hinge
Talocrural Joint Movements
Only dorsiflexion and plantar flexion
Deltoid Ligament
-Four Ligaments (anterior tibiotalar, tibionavicular, tibiocalcaneal, posterior tibiotalar)
-Attaches: Medial malleolus to tarsal bones of the medial foot
-Checks: Eversion of the ankle
-Very strong ligament and focused attachment point on the medial malleolus can lead to an avulsion fracture
Anterior Fibres of the Deltoid Ligament
Eversion with Plantar Flexion
Posterior Fibres of the Deltoid Ligament
Eversion with Dorsiflexion
Vertical Fibres
Eversion in Neutral
ATFL
Inversion with Plantar Flexion
Calcaneofibular of the Deltoid Ligament
Inversion in Neutral
Anterior Talofibular Ligament (ATFL)
-Attaches: Lateral Malleolus to Neck of the Talus
-Checks/Restricts: Inversion
-Palpated through sinus tarsi
-Most commonly injured ligament in the foot
Calcaneofibular Ligament
Attaches: Lateral Malleolus to Lateral Calcaneus
Checks: Inversion
Subcutaneous Calcaneal
Between the achilles tendon and the overlying skin
Subtendinous Calcaneal
Between the achilles tendon and the calcaneus
Subtalar Joint
-Inferior aspect of the talus articulates with the superior calcaneus
-Synovial
-Plane
Subtalar Joint Movements
-Inversion
-Eversion
Talocalcaneonavicular Joint
-Articulation between talus calcaneus and navicular joint
-synovial
-ball and socket
-helps increase inversion/eversion range