Learn More
STUDY DESIGN A two-part investigation was conducted: 1) a prospective study of asymptomatic subjects quantitatively comparing trunk mobility to surface electromyographic (sEMG) signals from the erector spinae during trunk flexion; and 2) a prospective repeated-measures cohort study of patients with chronic disabled work-related spinal disorder tested for(More)
A group of 109 HIV seropositive and 51 seronegative intravenous drug users was evaluated for the presence of HIV-1-related neurologic disease using clinical, neurologic, neuropsychological, and electrophysiologic evaluations. About 80% of HIV seropositive subjects had less than two constitutional symptoms. CD4 cell counts were less than 500/mm3 among 56% of(More)
  • 1