(T1) Identify the four major abdominal muscles important for exhalation:
* rectus abdominus, transversus abdominus, external obliques, internal obliques
* subclavius, rectus abdominus, levatores costarum, transversus abdominus
* external obliques, internal obliques, lateral iliocostalis lumborum, quadratus lumborum
* rectus abdominus, transversus abdominus, lateral iliocostalis cervicis, serratus posterior superior