Effects of noxious stimulation and pain expectations on neuromuscular control of the spine in patients with chronic low back pain
Background context Alterations of the neuromuscular control of the lumbar spine have been
reported in patients with chronic low back pain (LBP). During trunk flexion and extension
tasks, the reduced myoelectric activity of the low back extensor musculature observed during
full trunk flexion is typically absent in patients with chronic LBP. Purpose To determine
whether pain expectations could modulate neuromuscular responses to experimental LBP
to a higher extent in patients with chronic LBP compared with controls. Study design A cross …
reported in patients with chronic low back pain (LBP). During trunk flexion and extension
tasks, the reduced myoelectric activity of the low back extensor musculature observed during
full trunk flexion is typically absent in patients with chronic LBP. Purpose To determine
whether pain expectations could modulate neuromuscular responses to experimental LBP
to a higher extent in patients with chronic LBP compared with controls. Study design A cross …
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