Figure 3From: Posterior muscle chain activity during various extension exercises: an observational study Mean muscle activity (%MVC) and standard deviation for each muscle during four exercises. LD = lattisimus dorsi, LTT = longissimus thoracis pars thoracic, LTL = longissimus thoracis pars lumborum, ILT = Ilioctalis lumborum pars thoracis, ILL = Iliocostalis lumborum pars lumborum, LM = Lumbar Multifidus, GM = Gluteus maximus.Back to article page