… flexion duration and duty cycle on trunk passive mechanical and active neuromuscular
behaviors following cycles of repeated trunk flexion … duration of prolonged static flexion increases …

… trunk motion synergy during the performance of trunk flexion … to maintain a ~45 degree trunk
flexion posture with back kept … and maintain a ~45 degree trunk flexion posture for 6 s, with …

… repetitive trunk flexion, to compensate for reduced stiffness due to viscoelastic deformation,
but that trunk … admittance gain, specifically after unsupported flexion in view of muscle fatigue. …

… of contraction levels and duty cycles have been proposed as … of muscle strength), duty cycle
(.25 or .75), and cycle time (34 or 166 s… Results: Contraction level and duty cycle significantly …

Objective: The objective was to develop an equation, for repetitive tasks, that uses frequency
and/or duty cycle (DC) to predict maximum acceptable efforts (MAE) relative to maximum …

Full article: Disturbance and recovery of trunk mechanical and neuromuscular behaviours
following repetitive lifting: influences of flexion angle and lift rate on creep-induced effects Skip …

… postural angle in combination with duration, duty cycle, and frequency. The latter variables
… Posture related to myoelectric silence of erectores spinae during trunk flexion. Spine 9, 740–…

… After verifying the quality of EMG signals on an oscilloscope, subjects performed maximum
isometric exertions in trunk flexion, extension, and lateral bending on an examination table …

… trunk strength and EMG activities of 19 healthy right-handed subjects (9 females and 10
males) in flexion… MVEs for all subjects were then simulated in a subject-specific trunk …

… Results showed no major impact on temporospatial parameters of gait but a restriction in
lateral trunk bending, trunk rotation and anterior pelvic tilt when wearing the load bearing vest. …