Good morning exercise works to develop and strengthen the posterior chain muscles which includes gluteas muscle, hamstrings. This exercise is performed with a barbell (seated and standing). The movement occurs in the sagittal plane. Gluteus maximus and hamstrings are the target muscle where as spinal erectors, quadratus lumborum, abdominal muscles, multifidus (spinal erectors), and transverse abdominis works as stabilizers. One thing to keep in mind while performing the exercise is to keep the s