Figure 2From: Intravenous immune globulin in hereditary inclusion body myopathy: a pilot study Quadriceps and shoulder abduction testing in four patients with HIBM. On average, quadriceps strength increased 22% after IVIG loading and 35% at the end of the study. Shoulder abduction strength increased 44% after IVIG loading and 46% at the end of the study.Back to article page