Fig. 4From: Altered muscle recruitment patterns during isometric shoulder abduction in individuals with chronic upper trapezius pain: a cross sectional studyThe EMG activity ratio divided by the upper trapezius (UT). SA: serratus anterior, LT: lower trapezius, MD: middle deltoid, MTrPs: myofascial trigger points), * p < 0.016 significantly different between the loads, ¥ p < 0.025 significantly different between groupsBack to article page