Quadruped

This core exercise is called the quadruped:
• Start on your hands and knees. Place your hands directly below your shoulders, and align your head and neck with your back (A). Tighten your abdominal muscles.
• Raise your right arm off the floor and reach ahead (B). Hold for three deep breaths. Lower your right arm and repeat with your left arm.
• Raise your right leg off the floor (C). Tighten your trunk muscles for balance. Hold for three deep breaths. Lower your right leg and repeat with your left leg.
• For added challenge, raise your left arm and your right leg at the same time (D). Repeat with your right arm and left leg.