Much of life’s activities involve one key movement: rotation. For our bodies to properly rotate, the responsibility falls on the obliques and quadratus lumborum. This week’s Muscle Monday will be packed with information because of the focus on three different muscles. Fortunately, the actions performed by these muscles are the same: rotate and laterally flex. The internal and external obliques sit similar to the rectus and transverse abdominis in that they overlap each other, and run in opposing directions. The external obliques start at on the lower 7 ribs and insert on the ilium and pubis, whilst the internal obliques originate on the ilium and insert on the lower 4 ribs as well as the pubis and linea alba. Making up the posterior support for this complex, the QL begins on the iliac crest and connects to the 12th rib as well as the lumbar spine. These muscles work together to allow rotation and stabilization of the torso. Follow up with the video below.
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Consult with a physician before starting any exercise routine.
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