The Thigh, Hip, Groin & Pelvis

Question 1

Medial compartment of the thigh contains what muscles that do what action?

Answer 1

Contains the adductors: (med. to lat.)
- Gracilis
- Add. Longus
- Add. Brevis
- Add. Magnus
- Pectineus

Question 2

Anterior compartment of the thigh contains what muscles that do what action?

Answer 2

Contains the hip flexors: (med to lat.)
- Sartorius
- Vastus Medialis
- Rectus Femoris
- Vastus Intermedius (deep to femoris)
- Vastus lateralis

Question 3

The Extensor group consists of what muscles?

Answer 3

Med. to lat.:
- Semimembranosus
- Semitendinosus
- Biceps Femoris Long head
- Biceps femoris short head

Question 4

Where are the 4 most common sites of avulsion fractures in young athletes?

Answer 4

1. Ischial Tuberosity (Hamstrings)
2. ASIS (Sartorius)
3. AIIS (Rectus Femoris)
4. Pubic Ramus (Adductors)

Question 5

What is Avascular Necrosis?

Answer 5

Tissue that begins to decay because of loss of blood supply to proximal femur.

Femur dislocation can disrupt the circumflex artery or chronic use of steroids, alcohol and blood coagulation disorders can disrupt blood flow all resulting in necrotic tissue

Question 6

What is Legg Calve-Perthes disease? (Coxa Plana)

Answer 6

Avascular necrosis of the femoral head that occurs in children 4-10 years of age.

Question 7

What is a slipped capital Femoral Epiphysis?

Answer 7

The growth plate on the femoral head is not formed correctly, possible due to imbalances of GH.

Characteristically found on biological males 10-17 y/o that are tall and thin/obese

Question 8

What is Osteitis Pubis?

Answer 8

Inflamed pubic symphysis from repetitive stress from the adjacent muscles. Common in distance running, running sports and wrestling.

Question 9

What is a Hip Pointer?

Answer 9

Contusion of the iliac crest with an associated hematoma. Iliac crest is a common insertion point for many abdominal muscles, so breathing may become painful.

Question 10

What is the Y ligament of Bigelow?

Answer 10

The iliofemoral ligament. Originates on the AIIS and inserts on the intertrochanteric line on the femur.