Continue alternating between straight-arm and forearm plank. From a forearm plank ... poor position for an extended period. Planks are a full-body exercise that works your core to strengthen ...
Pull the abs in and maintain a straight line form your head to your heels. From a full plank position, lift your right hand off of the ground and reach your arm forward. Half way through, switch sides ...
It also engages the shoulders, chest, and quads for a full-body workout ... Maintain a strong core and stable hips. The extended arm plank intensifies engagement of the rectus abdominis and ...
I planked at the gym after a full hour workout ... knees down for five seconds, 60-second side-arm plank, 60 seconds on the other arm, knees down for five seconds, 30-second plank, knees down ...
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