Anterior Abdominal Wall

Question 1

Describe the external oblique muscle

Answer 1

Connects the iliac crest to the pubic tubercle and the free border is at the inguinal ligament, it has an aponeurotic part which contributes to the rectus sheath (SLANTS TOWARDS FRONT POCKETS)

Question 2

Describe the internal oblique muscle

Answer 2

Connects the iliac crest to the pubic tubercle and has an aponeurotic part which contributes to the rectus sheath (SLANTS INTO BACK POCKETS)

Question 3

Describe the transverse abdominis muscle

Answer 3

Connects the iliac crest to the pubic tubercle and has an aponeurotic part which contributes to the rectus sheath and lies within the transversalis fascia

Question 4

Describe the rectus abdominis muscle

Answer 4

Lies on top of the rectus sheath and has tendinous intersections (contains superior and inferior epigastric vessels)

Question 5

Describe the basic anatomy of the inguinal ligament

Answer 5

Begins at the ASIS and travels to the pubic tubercle

Question 6

What is the linea alba?

Answer 6

Central line of the abdomen (middle line of 6 pack)

Question 7

What are tendinous intersections?

Answer 7

Separating lines within the rectus abdominis muscle (6 pack structure)