Fig. 5

Mean values of Absolute Error (AE), Constant Error (CE) and Variable Error (VE) after muscle conditioning (hold short and hold long) in the supine posture (black filled circles) and side lying posture (pink filled squares). Error bars represent 95% C.I. Note that when supine, the head was moved relative to the stationary trunk towards the head-trunk target angle. When side lying, the head remained stationary, and the trunk moved towards the trunk-head target angle.