Lecture 8.2 Flashcards Preview

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Flashcards in Lecture 8.2 Deck (21):
1

The ankle joint is a modified...

Ball and socket joint

2

The body of the taus is wider ______

anteriorly

3

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

dorsi

4

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

medial colateral

tibionavicular
tibiocalcaneal
posterior tibiotalar
anterior tibiotalar (deep)

5

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

anterior talofibular

it has horizontal orientation

6

Dorsiflexion is assisted by which muscles?

Tibialis anterior
Flexor digitorum longus
Flexor hallicus longus

7

Plantarflexion is performed by which muscles?

Gastrocnemius
Soleus
Plantaris

8

True or False

Plantar flexion is greater than Dorsi flexion

true

9

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

twice

10

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

Malleolar

11

the subtalar joint is separated by ____ ____

sinus tarsi

12

______ joint allows gliding for pronation/supination in the foot

Calcaneocuboid

13

The ______ and _____ joints are where inversion and eversion occur

Subtalar and TCN

14

The what does the spring ligament support?

apex of medial longitudinal arch

15

INterosseous talocalcaneal ligament allows and limits _____/_______

inversion/eversion

16

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

peroneus longus

17

The foot arch is between 3 weightbearing pointss:

Calcaneal tuberosity
heads of MTs 1 & 5

18

Foot arch:

__ longitudinal arches

__ transverse arch

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

(______ support required for dynamic activity)

Foot arch:

2 longitudinal arches

1 transverse arch

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

(muscular support required for dynamic activity)

19

What are the medial longitudinal foot arch supports?

plantar aponeurosis
spring ligament
TA, TP
FHL

20

what are the lateral longitudinal foot arch supports?

plantar aponeurosis
long and short plantar lig.
fibularis longus

21

What are the transverse foot arch supports?

fibularis longus
tibialis anterior
tibialis posterior