25. Suitcase Deadlift
Load the barbell Opens a New Window. on the floor and stand to the left of it with feet hip-width apart. Bend your hips back and lower your body until you can grasp the barbell in its center with your right hand. Brace your core and, keeping your lower back in its natural arch, push through your heels to stand up and lock out your hips. Squeeze the bar hard to keep it from teetering. Focus on keeping your spine straight the entire set—do not bend laterally toward the barbell.
26. Swiss Ball Plank Circle
Place a Swiss ball Opens a New Window. on the floor and get into pushup position with your hands on it. Now lower your forearms to rest on the ball, keeping your entire body in a straight line with abs braced. Use your elbows to roll the ball in a circular motion, clockwise and then counterclockwise, as if you were stirring a pot.