… Specifically, shoulder and elbow flexion angle variability … was a relative change of position
to the trunk. In Fuller’s study, … dynamic motion with high duty cycle and no external load for …

… rest cycles had durations of 30 and 60 s with a 50% duty cycle. … This endurance test required
repetitive cycles of torso flexion… II fibers with aging in trunk muscles might be relatively lower, …

… was conducted only for perturbations causing trunk flexion (ie when the servomotor pulled
… trunk (ie from the back of the trunk due to participant׳s extension effort to the front of the trunk …

… trunk flexion, and asymmetric starting and ending points increase twist and lateral flexion …
acceptable loads for repetitive tasks based on duty cycle: evaluation with lifting and lowering …

… raised it by 50 per cent* 20 lateral flexion of the trunk was accompanied by a pressure
rise of 25 per cent t-Mle 45 axial rotation increased it by -22 par seat. During alowwalkingthe …

… limb and trunk interactions, varying with gait and trunk … flexion after lift off. Because lateral
bending in walking mammals resembles a traveling wave (ie lateral flexion in the anterior trunk …

… Sagittal plane rotations (pelvis anterior/posterior tilt and trunk flexion/extension) along with
… Each repetition cycle was identified from the standing position (peak trunk extension) to the …

… degrees of freedom including flexion/extension at the hip, knee, ankle, mid-foot and toes
of each leg, and horizontal and vertical translation and pitch rotation at the trunk. Foot–ground …

… The knob turn task was used to increase the duty cycle and was not instrumented, thus it …
Contrary to what was expected, shoulder abduction, shoulder flexion, body rotation and trunk …