Structures Flashcards

1
Q

Name bone ends articular surfaces.

A

Lateral malleolus
Distal surface of tibia
Medial malleolus
Trochlea surface

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2
Q

What is the ankles most stable position

A

Dorsiflexion

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3
Q

Mortise socket is made up of

A

Distal surface of tibia
Lateral and medial malleoli
Transverse ligament

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4
Q

Capsular attachment of the talocural joint

A

Articular margins of tibia, malleoli, talus.

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5
Q

How to injury lateral collateral ligaments of talocural joint

A

Landing in a plantarflexion inverted position.

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6
Q

Structures in forefoot

A

Metatarsals

Phalanges

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7
Q

Structures in mid foot

A

Navicular
Cuboid
3 x cuneiform

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8
Q

Structures of rear foot

A

Calcaneus

Talus

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9
Q

Subtalar joint consists of

A

Talus and calcaneus

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10
Q

Subtalar joint movements

A

Inversion & eversion

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11
Q

Medial deviation of calcaneus is…

A

Varus “bowing”

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12
Q

Lateral deviation of calcaneus…

A

Valgus “knock”

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13
Q

What joints comprise the Transverse Tarsal joint

A

Talocalcaneonavicular joint

Calcaneocuboid

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14
Q

Transverse tarsal joint structures has…

A

Calcaneus + talus

Navicular + cuboid + 3x cuneiforms

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15
Q

What type of joint is talocalcaneonavicular ..

A

Plane synovial joint

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16
Q

Talocalcaneonavicular joint ligaments…

A

Spring ligament.

Between sustentaculum tali and the tuberosity of navicular.

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17
Q

Spring ligament function

A

Supports head of talus
Transfer weight from talus
Maintain medial longitudinal arch of foot.

18
Q

Spring ligament has a fibrous pad…

A

On the dorsal surface of the ligaments

19
Q

What type of joint is the calcaneocuboid joint…

A

Plane synovial joint

20
Q

Calcaneocuboid joint ligament…

A

Long and short plantar ligament

21
Q

Long plantar ligament attachment

A

Calcaneus
Cuboid
4 lateral bases of metatarsals

22
Q

Short plantar ligament attachement

A

Calcaneous to cuboid

23
Q

Function of the long and short plantar ligaments

A

Resists depression of the lateral longitudinal arch.

24
Q

Pronation of foot

A

Eversion, abduction, dorsiflexion.

25
Q

Supination of foot

A

Inversion, adduction, plantarflexion

26
Q

Joints between the mid foot and forefoot

A

Tarsometatarsal
Intermetatarsal
Metatarsophalngeal
Interphalangeal

27
Q

What is the intermetatarsal joint?

A

Plane synovial joint.

Between the metatarsal bases

28
Q

What is the tarsometatarsal joint…

A

Plane synovial joint.

Between the cuneiforms and the bases of metatarsals.

29
Q

What is the metatarsophalangeal joint

A

Ellipsoid synovial joint.

Between the distal bases of the phalangeals and the head of the metatarsals.

30
Q

What is interphalangeal joint

A

Between the phalangeal bones on one toe.

31
Q

Metatarsophalangeal movements…

A

Flexion and extension

Abduction and adduction

32
Q

Proximal and distal interphalangeal joint

A

Flexion and extension of the phalanges

33
Q

4 factors that maintain arches of the foot.

A

Bones in wedged shape (keystone)
The use of muscles and ligaments. (Spring and plantar ligs)
Prevent sagging (FHL, Plantar aponeurosis)
Suspend arch

34
Q

function of interosseous membrane…

A

Links tibia and fibula

Provides additional surface area for muscles attachment.

35
Q

Attachment for interosseous membrane

A

From fibular notch of tibia to the medial surface of distal end of fibula.

36
Q

What type of joint is the sitar inferior tibiofibular joint

A

Fibrous syndesmosis joint. Cartilaginous

37
Q

Distal inferior tibiofibular joint ligaments

A

Interosseous ligament
Anterior inferior tibiofibular ligament
Posterior inferior tibiofibular ligament

38
Q

Attachment of anterior inferior tibiofibular ligament.

A

Adjacent anterior margins of tibia and fibula.

39
Q

Attachments of posterior inferior tibiofibular ligament

A

Posterior adjacent margins of tibia to fibula.

40
Q

Movements of tibiofibular joints

A

Lateral rotation of fibula during dorsiflexion.

41
Q

Excessive eversion of ankle injury

A

Talus and calcaneus applying excessive forces to lateral malleolus.
Damage to interosseous ligament and tibiofibular ligaments, and potential fracture of fibula.