Ankle Part 2

Question 1

Anterior Compartment Neurovasculature strcutures

Answer 1

• The deep fibular (peroneal) nerve (L5-S2)

The anterior tibial artery

Question 2

Posterior Compartment of Leg
Neurovasculature

Answer 2

• The tibial nerve
• The posterior tibial artery
• The fibular (peroneal) artery

Question 3

Lateral Compartment of Leg
Neurovasculature

Answer 3

• The superficial fibular (peroneal) nerve L4-S1
• Perforating branches of the anterior tibial and fibular arteries

Question 4

• Order of Tendons/Neurovasculature in medial ankle
  Anterior to posterior

Answer 4

• Tibialis posterior
• FDL
• Posterior Tibial Artery
• Tibial Nerve
• Flexor Hallucis Longus

Question 5

Tarsal Tunnel Syndrome

Answer 5

area where the tibial nerve can get trapped due to a lot of flexion

Question 6

L1 Dermatome

Answer 6

anterior aspect of groin

Question 7

L2 Dermatome

Answer 7

anterior aspect of leg

Question 8

L3 Dermatome

Answer 8

Middle of thigh, medial knee, medial upper aspect of leg

Question 9

L4 Dermatome

Answer 9

Anterior knee, anterior leg, medial malleolus, medial foot, big toe

Question 10

L5 Dermatome

Answer 10

Lateral leg, dorsum of feet, middle 3 toes

Question 11

S1 Dermatome

Answer 11

Little toe, lateral malleolus, posterolateral aspect of leg and buttock

Question 12

S2 Dermatome

Answer 12

Posteromedial leg and buttock

Question 13

S3,4,5 Dermatome

Answer 13

very small region in the gluteal area

Question 14

Saphenous Nerve

Answer 14

Anteromedial aspect of leg and foot

Question 15

Lateral Sural Cutaneous

Answer 15

anterolateral upper lateral leg

Question 16

Superficial Fibular

Answer 16

lower lateral part of leg, dorsum of foot

Question 17

Deep Fibular

Answer 17

space between first and second toe

Question 18

Sural Nerve

Answer 18

posterior lateral leg

Question 19

Plantar Nerve

Answer 19

branch of tibial nerve, supplying sole of foot

Question 20

Patellar Tendon Reflex

Answer 20

L4

Question 21

Achilles Tendon Reflex

Answer 21

S1

Question 22

Med. to STJ axis:

Answer 22

supination torques at STJ

Question 23

Lat. to STJ axis:

Answer 23

pronation torques at STJ

Question 24

Anterior compartment Tendons medial to lateral

Answer 24

tendon of tibialis anterior, tendon of EHL, tendons of EDL

Question 25

Tibialis Anterior also

Answer 25

supinates STJ and transverse tarsal jt

Question 26

Lateral compartment muscles Pass _______ to STJ axis Primary _______ at STJ

Answer 26

lateral Pronators

Question 27

Lateral compartment muscles In late stance pahse, these muscles

Answer 27

- facilitate transfer of weight from lat. to med. side of foot and stabilize the 1st ray, facilitating pronation twist of TMT joints

Question 28

Gastroc, Soleus These mm. help lock foot into a

Answer 28

rigid lever via supination of STJ and transverse tarsal jt. before going into swing phase

Question 29

Gastroc, Soleus These mm. eccentrically control

Answer 29

DF while also supinating STJ after foot is loaded in stance

Question 30

Soleus (Type 1 fibers) prevents

Answer 30

postural swaying too far forward

Question 31

Gastrocnemius (Type 2 Fibers) generates and

Answer 31

shuts off tension quickly

Question 32

If DF is limited with knee extension and increased with knee flexion —>

Answer 32

gastroc is tight

Question 33

When DF is limited with knee extension and flexion —>

Answer 33

soleus is tight

Question 34

- Intrinsic Muscles - Most Important Function

Answer 34

- Stabilizers of the toes during gait - Dynamic supporters of transverse and longitudinal arches during gait

Question 35

1st layer

Answer 35

- Abductor halluces - Abductor digiti minimi - Flexor digitorum brevis

Question 36

2nd Layer

Answer 36

- Flexor digitorum accessorius (quadratus plantae) - Lumbricals

Question 37

3rd Layer

Answer 37

Flexor hallucis brevis Flexor digiti minimi brevis Adductor hallucis

Question 38

4th layer

Answer 38

Dorsal interossei Plantar interossei

Question 39

Dorsum of the Foot

Answer 39

Extensor digitorum brevis + Extensor hallucis brevis