Antomy : Lower Limb

Question 1

Muscles innervated by both the femoral and obturator nerves

Answer 1

Adductor magnus and pectineus muscle

Question 2

Where do the flexors of the leg originate?

What are these muscles

Answer 2

Ischial tuberosity

Hamstrings : biceps femoris, semitendinosus, semimembranosus

Question 3

Most commonly fractured tarsal bone

Answer 3

Calcaneus

Question 4

Which of the following structures prevents HYPEREXTENSION of the knee or tendency for the TIBIA to slide POSTERIORLY?

Answer 4

Anterior cruciate ligament

Question 5

Jumping from a height landing in the heels will likely fracture which bone?

Answer 5

Calcaneus

Question 6

The most powerful flexor of the thigh is

Answer 6

Iliopsoas muscle

Question 7

The following are boundaries of the popliteal fossa except

• biceps femoris
• semimembranosus
• plantaris
• NOTA

Answer 7

Plantaris

Superomedial - biceps femoris
Superolateral - semimembranosus semitendinosus
Inferolateral & inferomedial - gastrocnemius

Question 8

Boundaries of the femoral triangle

Answer 8

Superior -inguinal ligament
Medial - adductor longus
Lateral -sartorius

So I May Always Love Singing

Question 9

Content of the femoral triangle from lateral to medial

Answer 9

NAVEL

Femoral N., A., V., empty space, lymphatics

Question 10

Which structure is found outside of the femoral sheath?

Answer 10

Femoral Nerve

Question 11

Post-TAHBSO there is numbness in the medial aspect of the thigh…what is the affected nerve?

Answer 11

Obturator nerve

Question 12

Main arterial supply of the head and neck of the femur?

Answer 12

Medial Circumflex Femoral Artery

Question 13

Where to give a buttock injection

Answer 13

Upper outer quadrant

Question 14

Post-injection, patient presented with a foot drop and decreased sensation of th anterolateral aspect of the leg and foot

Answer 14

Common peroneal nerve

Question 15

Fracture in the neck of the femur would lead to injury of the common peroneal nerve. Tis would manifest as

Answer 15

Foot drop

Question 16

The popliteal artery is the distal continuation of which artery?

Answer 16

Femoral artery

Question 17

The hamstrings which you need to flex the leg and extend the thigh are mostly innervated by

Answer 17

Tibial nerve
(Except for the short head of the biceps femoris)

Question 18

What does the mnemonic PED and TIP stand for in terms of foot movement?

Answer 18

Peroneus muscles Evert and Dorsifex

Tibialis muscles Invert and Plantarflex

Question 19

What is the innervation of the muscles that have a common distal attachment at the linea aspera of the femur?

Answer 19

Obturator nerve
(Adductor longus, adductor brevis, adductor magnus)

Question 20

What consists of the u happy knee injury triad which is usually from a lateral blow to the knee?

Answer 20

Medial meniscus
Medial Tibial Ligament
ACL

Question 21

What muscle is the strongest inverter and dorsiflexor of the foot?

Answer 21

Tibialis anterior

Question 22

What muscles insert at the calcaneal tendon / achilles tendon?

Answer 22

Triceps surae (GSP)
Gastrocnemius
Soleus
Plantaris

Question 23

The tendons of the muscles on the posterior leg compartment pass behind the medial ___ in what order anteriorly to posteriorly?

Answer 23

Tom, Dick, Harry
Tibialis posterior
Flexor digitorum longus
Flexor hallucis longus

Question 24

Which vein would be seen passing anterior to the medial malleolus?
Where will it drain?

Answer 24

Great saphenous vein

Femoral vein

Question 25

Which vein will be seem passing behind the lateral malleolus? Where will it drain?

Answer 25

Small Saphenous Vein Popliteal vein

Question 26

Innervation of the shorthead of the biceps femoris

Answer 26

Common peroneal nerve