A horizontal bar approximately one and one half inches in diameter at a height from which the student can hang with arms fully extended and feet off the floor and a stopwatch. Using either the underhand or overhand grip, the student assumes a flexed - arm hang position with chin clearning the bar. A student may be lifted to this position. Student, on the start signal, holds this position as long as possible. Chest should be held close to the bar and legs should be hanging straight.
Timing is stopped when student's chin touches or falls below the bar.
Have the student lie on cushioned surface with knees flexed about 12 inches from buttocks. Partner holds feet. Arms are crossed with hands placed on opposite shoulders and elbows held close to chest. Keeping this arm position, student raises the trunk curling up to touch elbows to thighs and then lowers the back to the floor so that the shoulder blades touch the floor for one curl up. The number of curl ups performed correctly in one minute.