Based on the three-site Jackson and Pollock protocol for estimating body fat in women, which of the following skin fold site locations is CORRECT?
A . A horizontal fold on the thigh midway between the hip and knee joint
B . A vertical fold on the posterior mid-line of the triceps, midway between the acromion and olecranon processes
C . A diagonal fold on the chest, 1/3 the distance between the anterior axillary line and the nipple
D . A vertical fold of the abdominal 2 inches to the left of the umbilicus
Answer: B,D