Anterolateral Leg

Question 1

What is the fascia of the thigh called compared to the fascia of the leg?

Answer 1

Fascia lata compared to crural fascia

Question 2

What is the thickening of fascia near the anterior ankle?

Answer 2

Superior and inferior extensor retinaculum

Question 3

What is the iliotibial tract made of?

Answer 3

A thickening of the fascia lata

Question 4

What muscles and actions consist of the anterior compartment of the leg?

Answer 4

They all dorsiflex and extend toes
Tibialis Anterior
Extensor hallucis longus
Extensor digitorum Longus
Fibularis Tertius Mm.

Question 5

Where can the tendon of fibularis tertius M. be found in the foot?

Answer 5

Laterally to the extensor digitorum longus muscle

Question 6

What would happen if there is no feeling inbetween your first and second toes?

Answer 6

The deep fibular cutaneous N mustve been damaged (deep fibular N supplies cutaneous area between 1st/2nd toes)

Question 7

What does the anterior tibial artery run with in the anterior leg? What does it become?

Answer 7

It runs along anterior leg with deep fibular N, becoming dorsalis pedis artery past ankle

Question 8

What does the lateral compartment of the anterior leg consist of?

Answer 8

Superficial fibular N., fibularis longus (more lateral) and brevis (deep to longus with larger belly) M.

Question 9

What is another word for fibula?

Answer 9

peroneal/peroneus

Question 10

What inserts on the tuberostiy of the 5th metatarsal base?

Answer 10

fibularis brevis M.

Question 11

What is most of the anterior/dorsal part of the foot (cutaneous) supplied by (nerve-wise, not including the area between the first and second toe)?

Answer 11

Superficial Fibular N.

Question 12

What is the most commonly injured lower extremity nerve?

Answer 12

The common fibular nerve

Question 13

What does injury to the common fibular nerve result in?

Answer 13

paralysis of all anterior and lateral crural muscles

Question 14

What is the result of the injury to the common fibular N.?

Answer 14

loss of dorsiflexion and eversion causing foot-drop, cannot achieve heel strike in gait, loud clop with foot, high step, waddling gait or swing out gait. **loss sensation to anterolateral leg and dorsum foot

Question 15

What happens during compartmental syndromes?

Answer 15

Hemorage, edema, inflammation lead to intracompartmental pressure which can lead to ischemia (lack of blood flow) and permanent injury

Question 16

What can be done to relieve intracompartmental pressure in the leg?

Answer 16

Fasciotomy, an incision in the fascia is made, the leg is left open until the swelling goes down to avoid permanent damage, then suture leg up days later

Question 17

What causes shin splints and what happens?

Answer 17

Cause by repetitive microtrauma to tibialis anterior, inducing small tears to periosteum over the tibia and or tears overlying deep fascia.

Question 18

What are shin splints a mild form of?

Answer 18

Mild form of compartmental syndrome; swelling of tibialis anterior due to repetitive ground reaction force

Question 19

What arteries connects the knee and femor anastomoses?

Answer 19

descending branch of the lateral circumflex femoral A.

Question 20

What is the key action of the tibial N?

Answer 20

Plantar flexion (anterior leg)

Question 21

What does creatine kinase represent in the body?

Answer 21

Muscle Death