Which of the Following Statements Is Not True Regarding the "Bent

Which of the following statements is not true regarding the "bent knee sit-up" exercise?

A) Hips and knees are flexed in this manner to reduce hip flexor length.
B) Participant curls up to a sitting position, rotates trunk to right, touches left elbow to right knee.
C) The participant lies on back with forearms crossed and lying across chest.
D) The strength of the erector spinae muscles are benefited significantly through this exercise.