Load TypeCompression load in kg
Supine position30
Standing70
Walking85
Turning90
Lateral Flexion95
Sitting upright without an arm rest100
Isometric Exercise of the abdominal muscles110
Coughing or hopping110
Prevented or on the side of turned sitting (occupation bearing)120
Forwards bending of the back muscles over a book120
Over stretching of the back muscles in prone position like a surfer150
Sitting up from the supine position175 - 180
Lifting of 20 kg with bent back and straight knees340