"The more stable the core is, the more support it is able to provide the arms and legs during exercise," Alina Kennedy, CSCS, a physical therapist, and owner of Sprint Rehab told POPSUGAR. To improve your core strength and stability, she said to perform exercises like the dead bug that force you to hold your trunk (aka your torso) still as your arms and legs move.
- Lie on your back with a neutral spine and your hips and knees at right angles with your palms pressed into your thighs just above your knees.
- Pull your abs to your spine keeping your ribs and pelvis still as you lengthen your right arm and leg out until they are almost parallel to the floor. Keep your torso and spine completely stable as the arm and leg move.
- Return to the starting position, and repeat on the left side to complete one rep.
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