MSK 7 - Lower Limbs 3 Flashcards
What is A?
Proximal tibiofibular joint
What is B?
Tibial tuberosity
What is C?
Interosseous membrane
What is D?
Distal tibiofemoral joint
What is E?
Lateral malleolus
What is F?
Groove for tibilais posterior tendon
What is G?
Head of fibula
What holds the tibia and fibula together?
Interosseous membrane
What is the interosseous membrane?
Sheet of fibrous materal
What is the function of the interosseous membrane?
Hold the tibia and fibula together
Provide extra stability to skeletal bones
Where are the tibia and fibula joined?
Proximal and distal joints
What kind of joints are:
- superior tibio-fibular joint
- ingerior tibio-fibular joint
- Superior tibio-fibular joint
- Plane type of synovial joint
- Inferior tibio-fibular joint
- Syndesmosis joint
What are the 3 compartments of the muscular of the lower leg?
- Lateral compartment
- Anterior compartment
- Posterior compartment
What is 1?
Gastrocnemius
What is 2?
Soleus
What is 3?
Gastrocnemius
What is 4?
Tibialis posterior
What is 5?
Fibularis longus
What is 6?
Extensor digitorum longus
What is 7?
Tibialis anterior
What is the anterior bony prominence you can feel about 3 to 4 cm below the knee joint?
Tibial tuberosity
What tendon attaches to the superior aspect of the tibial tuberosity?
Patellar tendon
What bones make up the:
- medial malleolus
- lateral malleolus
- Medial malleolus
- Tibia
- Lateral malleolus
- Fibula
What are the following movements of the ankle called:
- upwards movement
- downwards movement
- lateral movement
- medial movement
- Upwards movement
- Dorsal flexion
- Downwards movement
- Plantar flexion
- Lateral movement
- Eversion
- Medial movement
- Inversion
What is 1?
Tibialis anterior
What is 2?
Extensor digitorum longus
What is 3?
Extensor hallucis longus
What is 4?
Fibularis tertius
What are the 4 muscles of the anterior compartment of lower leg?
- Tibialis anterior
- Extensor digitorum longus
- Extensor hallucis longus
- Fibularis tertius
What are the 2 divisions of the sciatic nerve?
- Tibial nerve
- Common fibular nerve
What are the 2 divisions of the popliteal artery as it enters the leg?
- Anterior tibial artery
- Posterior tibial artery
What does the common fibular nerve divide to form?
Superficial and deep fibular nerves
What nerve innervates the muscles of the anterior compartment of the leg?
Deep fibular nerve
What is A?
Superficial fibular nerve
What is B?
Deep fibular nerve
What is C?
Anterior tibial artery
What is D?
Dorsalis pedis artery
What are the 2 muscles of the lateral compartment of lower leg?
- Fibularis longus
- Fibularis brevis
What is the action of the lateral compartment muscles of lower leg?
- Eversion of ankle
- Weakly plantarflexion of ankle
Which fibular nerve supplies the muscles of the lateral compartment?
Superficial fibular nerves
Where does damage to the superficial fibular nerve normally occur?
Fibular neck
What is the dorsum of the foot?
Anterior aspect
On what aspect of the leg does the lesser sephanous vein ascend and what does it drain into?
- Ascends on posterior aspect of leg
- Drains into popliteal vein
On what aspect of the leg does the greater sephaneous vein ascend and what does it drain into?
- Drains on anterior aspect of leg
- Drains into femoral vein
What is A?
Tibialis anterior
What is B?
Dorsalis pedis
What is D?
Extensor digitorum brevis
What are the 2 pules that can be felt in/around the foot?
- Dorsalis pedis
- Between 1st and 2nd metatarsel bones
- Posterior tibial
- Behind medial malleolus
What are the following continuations of:
- dorsalis pedis
- posterior tibial
- Dorsalis pedis is continuation of anterior tibial
- Posterior tibial is continuation of popliteal artery
What kind of joint is the ankle joint?
Hinge type synovial joint
What is 1?
Fibula
What is 2?
Tibia
What is 3?
Talus
What is 4?
Calcaneus
What is 5?
Cuboid
What is 6?
Navicular
What is 7?
Lateral cuniform
What is 8?
Intermediate cuniform
What is 9?
Medial cuniform
What is 10?
5th metatarsal
What are the articular surfaces of the ankle?
Distal end of tibia and fibula with with superior part of talus bone
What grips tightly on the talus during movement of the ankle?
Malleoli
When is the malleolar grip on the ankle the tightest, and when is the ankle joint most unstable?
- Molleolar grip strongest during dorsiflexion of ankle joint
- Joint unstable during plantarflexion
What is 1?
Tibionavicular ligament
What is 2?
Tibiocalcaneal ligament
What is 3?
Posterior talofibular ligament
What is 4?
Anterior tibiofibular ligament
What is 5?
Calcaneofibular ligament
What is 6?
Anterior talofibular ligament
What are the 6 ligaments of the ankle?
- Tibionavicular ligament
- Tibiocalcaneal ligament
- Posterior talofibular ligament
- Anterior tibiofibular ligament
- Calcaneofibular ligament
- Anterior talofibular ligament
Which ligament of ankle joint is the weakest?
? Lateral ligament of ankle – anterior talofibular ligament
Which ligament of the ankle joint is named the deltoid ligament?
Medial ligament of ankle
During which movements of the subtalar joint are ankle sprains more common?
Plantarflexion
What can happen with over inversion and eversion due to the strength of the ankle ligaments?
Fractures to either medial or lateral malleoli
What muscles perform dorsiflexion of ankle joint?
- Tibilais anterior
- Extensor digitorum longus
- Extensor halluces longus
- Fibularis teritius
What muscles perform plantar flexion of ankle?
- Gastrocnemius
- Soleus
- Plantaris
- Flexor halluces longus
- Flexor digitorum longus
- Tibialis posterior
- Peroneus longus
- Peroneus brevis