Figure 4From: Implementation of specific strength training among industrial laboratory technicians: long-term effects on back, neck and upper extremity pain Cases. Pain intensity the last 7 days in six regions at baseline, at 20 weeks follow-up and at one-year follow up. TG1 = first training group; TG2 = second training group; a-f = graph number. Error bars = SE. * significant time by group effect.Back to article page