Chapter 20Ankle & Foot additional notes

Question 0

Projection on the medial side of the navicular; easily palpated

Answer 0

Tuberosity of Navicular

Question 1

This bony protrusion supports the medial side of the talus and allows for three tendons to loop around it.

Answer 1

Sustentaculum Tali

Question 2

The 5th metatarsal bone has this prominent feature and where.

Answer 2

Tuberosity of 5th metatarsal bone proximal and lateral

Question 3

The mechanics of the midfoot provide for

Answer 3

stability and mobility

Question 4

This part of the foot adapts to the level of the ground and is the last part of the foot to make contact with the ground during stance phase

Answer 4

Forefoot

Question 5

Plantar & Dorsiflexion happen in this plane

Answer 5

Sagital plane

Question 6

Inversion & eversion happen in this plane

Answer 6

Frontal

Question 7

Abduction and Adduction happen in this plane

Answer 7

Transverse

Question 8

The true ankle joint is made up of and referred to as

Answer 8

distal tibia, talus and medial malleolus

tenon and mortise

Question 9

In the ankle joint the tenon is

Answer 9

the talus

Question 10

In the ankle joint the mortise is the

Answer 10

malleoli of the tibia and fibula

Question 11

In open chain the foot _____ during dorsiflexion

Answer 11

aBducts

Question 12

In close chain during dorsiflexion the leg

Answer 12

Medially rotates

Question 13

During ankle plantar flexion the leg _____ rotates on the foot

Answer 13

laterally

Question 14

Transverse tarsal joint

Answer 14

made up of the anterior surfaces of the talus and calcaneus articulating with the posterior surfaces of the navicular and the cuboid, respectively

Question 15

When ankle moves in plantar and dorsiflexion these motions are occurring primarily at the _____ joint

Answer 15

talocrural

Question 16

When the ankle moves in inversion and eversion, these motions are occurring primarily at the____ and ____joints

Answer 16

subtalar and transverse tarsal joints

Question 17

The collateral ligament on the medial side of the ankle is known as

Answer 17

deltoid ligament

Question 18

The broad base of the deltoid ligament attaches to:

Answer 18

talus, navicular, and calcaneus in four parts

Question 19

These four ligaments make up the deltoid ligament

Answer 19

Posterior tibiotalar
Anterior tibiotalar
Tibionavicular
Tibiocalcaneal

Question 20

This ligament connects the navicular and the calcaneal

Answer 20

Spring ligament

Question 21

The three lateral ankle ligaments are:

Answer 21

Posterior talofibullar
calcaneofibular
Anterior talofibular

Question 22

These bones make up the medial longitudinal arch and this bone is the keystone

Answer 22

Talus, calcaneus, navicular, three cunieform

Talus is the keystone

Question 23

The lateral longitudinal arch runs from

Answer 23

calcaneus through the cuboid to the 4th and 5th metatarsals

Question 24

The transverse arch includes

Answer 24

3 cuneiforms to the cuboid ( 2nd cuneiform is the keystone of this arch.

Question 25

This ankle ligament is the most important bc it supports the medial side of the longitudinal arch

Answer 25

Spring ligament

Question 26

This ligament is the primary support of the lateral longitudinal arch and it attaches posteriorly to the calcaneus and runs forward to attach on the cuboid and bases of the third, fourth, and fifth metatarsals.

Answer 26

Long plantar ligament

Question 27

These three muscles pass under the sustentaculum

Answer 27

tibialis posterior Flexor hallucis longus flexor digitorum longus

Question 28

These are the four compartments of the leg

Answer 28

superficial posterior deep posterior anterior lateral

Question 29

Superficial posterior group

Answer 29

gastrocnemius soleus plantaris

Question 30

Deep posterior group

Answer 30

Tibialis posterior Flexor digitorum longus flexor hallucis longus

Question 31

Anterior group

Answer 31

Tibialis anterior Extensor hallucis longus Extensor digitorum longus

Question 32

Lateral group

Answer 32

Peroneus longus Peroneus brevis Peeroneus tertius

Question 33

fibula moves in this direction in full dorsiflexion

Answer 33

posterolaterally and ERs

Question 34

The subtalar joint is the articulation of:

Answer 34

Talus and calcaneous

Question 35

The midtarsal joint is aka_____and articulation happens

Answer 35

Transverse tarsal joint | talus and navicular; calcaneous and cuboid

Question 36

Group of lateral ligaments from front to back

Answer 36

``` Anterior talofibular (ATFL) calcaneofibular Posterior talofibularn (PTFL) ```

Question 37

Tom and Dick have these NR in common

Answer 37

L5, S1

Question 38

Gastrocnemius innervated by NR:

Answer 38

S1, S2

Question 39

The superficial and deep posterior muscles are innervated by this NR

Answer 39

Tibial nerve

Question 40

First (most superficial) layer foot intrinsic muscles and their actions

Answer 40

ABductor Hallucis - ABducts; flexes IP of first toe Flexor digitorum brevis - flexes PIP of digits 2-5 ABductor digiti minimi - flexes; abducts 5th digit

Question 41

Second layer of intrinsic foot muscles

Answer 41

Quadratus plantae - straightens diagonal line of pull of flexor digitorum longuus Lumbricales - Flexes MPs; extends PIPs and DIPs

Question 42

Third layer of Intrinsic foot muscles and their actions

Answer 42

Flexor Hallucis brevis - Flexes MP of 1st ddigit ADductor hallucis - ADducts; flexes 1st digit Flexor digiti minimi - Flexes PIP of 5th digit

Question 43

Fourth (deepest and Dorsal side) layer of intrinsic foot muscles

Answer 43

``` Dorsal interosser (DAB) - ABducts 2nd - 4th diggits Plantar interossei (PAD) - ADducts 3rd - 5th digits ```