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Anatomy > Leg > Flashcards

Leg Flashcards

1
Q

Patella

A

Sesamoid bone
Embedded on the tendon of quadriceps femoris muscle
Anterior to the knee joint

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2
Q

Patella - apex

A

Pointed inferiorly

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3
Q

Patella - articulate facets

A

Posterior aspect
Covered with articular cartilage with the modal and lateral femoral condyles
Medial aspect of posterior surface contacts the femur in extreme flexion

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4
Q

Tibia

A

Thicker and more medial of the tow bones of the leg

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5
Q

Tibia - anterior border

A

At the font of the tibial shaft

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6
Q

Tibia - intercondyle eminence

A

Raised area in the central part of the intercondylar area of the tibial plateau

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7
Q

Tibia - lateral condyle

A

Prominent, proximal and lateral mass
Articulates with femur

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8
Q

Tibia - medial condyle

A

Prominent, proximal and medial mass
Articulates with femur

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9
Q

Tibia - medial malleolus

A

Thigh process formed by the distal, expanded medial end of the tibia

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10
Q

Tibia - tuberosity

A

Bony prominence on the anterior aspect of the upper end of the tibial shaft
Insertion of the patellar ligament

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11
Q

Fibula

A

Thinner and more lateral of the two bones of the leg

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12
Q

Fibula - head

A

Expanded proximal end
Articulates with the lateral condyle of the tibia

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13
Q

Fibula - styloid process

A

Upward projection of the head

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14
Q

Fibula - lateral malleolus

A

Distal, expanded, flattened end
Articulates with the talus bones of the ankle

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15
Q

Proximal tibiofibular joint

A

Tibia - lateral condyle
Fibular - head
Movement - slight gliding

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16
Q

Distal tibiofibular joint

A

Tibia - fibular notch
Fibula - distal end
Movement - slight rotation during dorsiflexion

17
Q

Ligaments

A

Interosseous tibiofibular ligament
Anterior tibiofibular ligament
Posterior tibiofibular ligament

18
Q

Anterior compartment - extensor haullucis longus

A

O - fibular shaft
I - distal phalanx of great toe base
A - dorsiflexion of great to at IP and MTP joint

19
Q

Anterior compartment - extensors Digitorum longus

A

O - tibia lateral condyle, fibula shaft
I - lateral four toes
A - extends the lateral four toes, assists dorsiflexion of ankle

20
Q

Anterior compartment - tibialis anterior

A

O - tibia lateral condyle and shaft
I - medial cuneiform
A - dorsiflexion at ankle and inverts the foot

21
Q

Lateral compartment - fibularis longus

A

O - fibular shaft
I - 5th metatarsal base
A - plantar flexes the ankle and everts the foot

22
Q

Lateral compartment - fibularis brevis

A

O - fibula shaft
I - 5th metatarsal tuberosity
A - plantar flexed the ankle and everts the foot

23
Q

Deep posterior compartment - tibialis posterior

A

O - tibia shaft, fibula shaft
I - navicular, medial and lateral cuneiforms, calcaneus, metatarsals 2-4
A - assists plantar flexion of ankle and inverts the foot

24
Q

Deep posterior compartment - flexor Digitorum longus

A

O - tibia shaft
I - distal phalanges 2-5
A - plantar flexes the ankle and flexes the four lateral toes

25
Q

Deep posterior compartment - flexor hallucis longus

A

O - fibula shaft
I - distal phalanx of hallux
A - flexed the big toe (hallux)

26
Q

Superficial posterior compartment - gastrocnemius

A

O - medial head, femur, medial condyle, lateral head, femur, lateral condyle
I - calcaneus posterior tubrcle
A - flexes the knee and plantar flexes ankle

27
Q

Superficial posterior compartment - soleus

A

O - tibia soleal line, fibula head
I - calcaneus posterior tubercle
A - plantar flexes ankle

28
Q

Superficial posterior compartment - plantaris

A

O - femur lateral condyle
I - calcaneus posterior tubercle
A - flexes knee and plantar flexed the foot

29
Q

Nerve supply

A

Sural nerve - superficial posterior compartment
Tibial nerve - deep posterior compartment
Superficial peroneal/fibular nerve - lateral compartment
Deep peroneal nerve - anterior compartment

Anatomy (9 decks)

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