If you've been nursing a bad back for a while—and your doctor has ruled out anything serious—the McKenzie Method is an effective method for managing lower-back pain at home. Also known as the McKenzie ...

Each subject attended a first testing session, to determine the 1 repetition maximum (1-RM) for each exercise. This was followed by two exercise sessions in which standardized trunk extensions were ...

Several studies describe that in addition to the thoracic and lumbar muscles, the Latissimus dorsi (LD) and hip extensors contribute during trunk extension performance. [28,30–33] These findings ...