Also known as: desk ergonomics, posture check, computer posture
Strongest in Consistency (95). Held back by Sample size (42).
Solid mix of RCTs with some methodological gaps.
Some independent replication, statistical precision uneven.
Hundreds of participants; meaningful but not large.
Studies agree on direction of effect.
Evidence base skews older; field may have moved on.
No per-outcome numbers yet for this one. Each finding's direction and strength is shown in the research below.
Regular posture checks and ergonomic adjustments during desk work. Poor posture during prolonged computer use contributes to neck pain, back pain, and tension headaches.
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In a randomized controlled trial of 152 university students with tension-type headache, cervical kinesiotherapy plus posture correction exercises reduced headache frequency and intensity more than relaxation training alone (p < 0.01, effect size d = 0.4).
In a randomized controlled trial of 162 hospital computer users, an education program to modify ergonomic posture reduced the proportion at high ergonomic risk from over 60% to 21% and relieved neck, shoulder, wrist and back symptoms at 3 months (p < 0.05), versus worsening in the control group.
In a randomized controlled trial of 76 patients with chronic nonspecific neck pain, a McKenzie program including posture correction reduced neck pain and disability over 6 weeks; adding cervical and scapulothoracic stabilization produced a further reduction in pain intensity (mean difference -1.2 points, 95% CI -1.8 to -0.6, p < 0.001).
In a randomized controlled trial of 60 patients with temporomandibular muscle disorder, posture training plus self-management reduced temporomandibular and neck symptoms by 41.9% and 38.2% respectively, versus 8.1% and 9.3% with self-management alone.
In a single-blind randomized controlled trial of 43 young adults with forward head posture, postural correction with Kendall exercises (with or without global postural reeducation) significantly improved craniovertebral angle, cervical range of motion and neck disability (p < 0.05).