Fig. 1From: Isometric Strength Database for Muscle Maximal Voluntary Endurance Field Tests: Normative DataFigures illustrating the measurement muscle isometric endurance. (A) Trunk flexors, (B) trunk extensors, (C) quadratus lumborum muscles, (D) quadriceps muscles, (E) hamstrings muscles, (F) back muscles, and (G) chest musclesBack to article page