Lower Extremity Anatomy
Foot
Ankle/Lower Leg
Knee
Thigh/Hip/Pelvis
100

The number of compartments in the lower leg.

What is four?

100

The medical term for blood under the toenail.

What is subungual hematoma?

100

This is the most common athletic injury.

What is the inversion ankle sprain?

100

This gender is at a higher risk for non-contact ACL sprains.

What is the female gender?

100

A contusion of the iliac crest.

What is a hip pointer?

200

The innominate bone is made up of these three bones.

What is the ischium, ilium, and pubis?

200
An injury characterized by pain at the heel or on the plantar aspect of the foot.

What is plantar fasciitis?

200

An injury common in distance runners with pain during activity and which is best seen with a bone scan.

What is a tibial stress fracture?

200

This ligament limits anterior translation of the tibia.

What is the anterior cruciate ligament or ACL?

200

Femur fractures most commonly occur in this portion of the bone.

What is the middle third of the shaft?

300

The types of muscles originate and insert in the foot.

What are intrinsic foot muscles?

300

Always wearing narrow shoes can lead to this foot condition.

What are bunions?

300

This group of people is more prone to Achilles tendon strains.

Who are men over the age of 30?

300

A common cause of this injury is motor vehicle accidents.

What is a posterior cruciate ligament sprain?

300
The formation of ectopic bone due to blunt force trauma.

What is myositis ossificans?

400

Another name for the ankle joint.

What is talocrural joint?

400

A fracture at the base of the 5th metatarsal.

What is a Jones' fracture?

400

This condition is defined as an apophysitis of the calcaneus.

What is Sever's Disease?

400

This injury, seen in adolescents, has swelling and pain at the tibial tuberosity.

What is Osgood-Schlatter Disease?

400

A loss of blood supply to the head of the femur causes this condition.

What is avascular necrosis?

500

Another name for the tarsometatarsal joints.

What are Lisfranc joints?

500

When a person says they have high arches, this is the arch they are referring to.

What is the medial longitudinal arch?

500

This ankle injury sometimes involves the interosseus membrane between the tibia and fibula.

What is a high ankle sprain?

500

A blow from the lateral to the medial side of the knee is a mechanism for this injury.

What is an MCL sprain?

500

You come upon an injured athlete whose leg is stuck in hip flexion, hip adduction, and hip internal rotation. They likely have this injury.

What is a dislocated hip?