LSO Trimlines

Question 1

Anterior-Superior

Answer 1

Base of sternum to pubis

Question 2

Anterior-Inferior

Answer 2

midpoint extends over pubis. Trimlines should allow 90 degrees of hip flexion

Question 3

Lateral-Inferior

Answer 3

20 mm above greater trochanters

Question 4

Posterior-Superior

Answer 4

Inferior angle of scapula (about 1-2 fingers below)

Question 5

Posterior-Inferior

Answer 5

As low as possible, more than 1 finger from chair

Question 6

Anterior overlap

Answer 6

1.5”-3”