Sit Up Start by lying on your back with your arms across your chest.Flex knees at a 45° angle.Arms crossed touching clavicles.Waist flexion.Abdominals contracted. • Elbows touching the upper thighs.Head in a neutral position. Read more articles Previous PostShoulder Bridge Next PostSquat You Might Also Like Calf Raise November 4, 2019 At-Home Arm Workout | 3/26/2020 March 26, 2020 Lunge November 8, 2019