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
Supination of foot
Inversion, adduction, plantarflexion
26
Joints between the mid foot and forefoot
Tarsometatarsal Intermetatarsal Metatarsophalngeal Interphalangeal
27
What is the intermetatarsal joint?
Plane synovial joint. | Between the metatarsal bases
28
What is the tarsometatarsal joint...
Plane synovial joint. | Between the cuneiforms and the bases of metatarsals.
29
What is the metatarsophalangeal joint
Ellipsoid synovial joint. | Between the distal bases of the phalangeals and the head of the metatarsals.
30
What is interphalangeal joint
Between the phalangeal bones on one toe.
31
Metatarsophalangeal movements...
Flexion and extension | Abduction and adduction
32
Proximal and distal interphalangeal joint
Flexion and extension of the phalanges
33
4 factors that maintain arches of the foot.
Bones in wedged shape (keystone) The use of muscles and ligaments. (Spring and plantar ligs) Prevent sagging (FHL, Plantar aponeurosis) Suspend arch
34
function of interosseous membrane...
Links tibia and fibula | Provides additional surface area for muscles attachment.
35
Attachment for interosseous membrane
From fibular notch of tibia to the medial surface of distal end of fibula.
36
What type of joint is the sitar inferior tibiofibular joint
Fibrous syndesmosis joint. Cartilaginous
37
Distal inferior tibiofibular joint ligaments
Interosseous ligament Anterior inferior tibiofibular ligament Posterior inferior tibiofibular ligament
38
Attachment of anterior inferior tibiofibular ligament.
Adjacent anterior margins of tibia and fibula.
39
Attachments of posterior inferior tibiofibular ligament
Posterior adjacent margins of tibia to fibula.
40
Movements of tibiofibular joints
Lateral rotation of fibula during dorsiflexion.
41
Excessive eversion of ankle injury
Talus and calcaneus applying excessive forces to lateral malleolus. Damage to interosseous ligament and tibiofibular ligaments, and potential fracture of fibula.