Lecture 8.2 Flashcards

1
Q

The ankle joint is a modified…

A

Ball and socket joint

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2
Q

The body of the taus is wider ______

A

anteriorly

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3
Q

The position of max stability of the ankle synovial hinge joint is _____ flexion

A

dorsi

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4
Q

The ___ colateral ligament at the ankle provides most of the support (continuous with mutiple bones - 4 in total)

A

medial colateral

tibionavicular
tibiocalcaneal
posterior tibiotalar
anterior tibiotalar (deep)

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5
Q

On the lateral side the colateral ligaments are discrete bands - which one is most commonly stretched in a strain?

A

anterior talofibular

it has horizontal orientation

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6
Q

Dorsiflexion is assisted by which muscles?

A

Tibialis anterior
Flexor digitorum longus
Flexor hallicus longus

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7
Q

Plantarflexion is performed by which muscles?

A

Gastrocnemius
Soleus
Plantaris

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8
Q

True or False

Plantar flexion is greater than Dorsi flexion

A

true

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9
Q

When standing up, the compressive forces on the foot joint equals ___ that of your normal body weight

A

twice

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10
Q

The _____ branches from the tibial and fibular ant and post. arteries supply the ankle

A

Malleolar

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11
Q

the subtalar joint is separated by ____ ____

A

sinus tarsi

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12
Q

______ joint allows gliding for pronation/supination in the foot

A

Calcaneocuboid

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13
Q

The ______ and _____ joints are where inversion and eversion occur

A

Subtalar and TCN

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14
Q

The what does the spring ligament support?

A

apex of medial longitudinal arch

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15
Q

INterosseous talocalcaneal ligament allows and limits _____/_______

A

inversion/eversion

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16
Q

The long plantar ligament forms a tunnel under which what passes?

A

peroneus longus

17
Q

The foot arch is between 3 weightbearing pointss:

A

Calcaneal tuberosity

heads of MTs 1 & 5

18
Q

Foot arch:

__ longitudinal arches

__ transverse arch

Poor bony stability:(________ support needed for static activity)

(______ support required for dynamic activity)

A

Foot arch:

2 longitudinal arches

1 transverse arch

Poor bony stability:(ligamentous support needed for static activity)

(muscular support required for dynamic activity)

19
Q

What are the medial longitudinal foot arch supports?

A

plantar aponeurosis
spring ligament
TA, TP
FHL

20
Q

what are the lateral longitudinal foot arch supports?

A

plantar aponeurosis
long and short plantar lig.
fibularis longus

21
Q

What are the transverse foot arch supports?

A

fibularis longus
tibialis anterior
tibialis posterior