Russian Twists
Type: Functional/CorePrimary Muscles: Obliques, rectus abdominisSecondary Muscles: Hip flexors, lower back, shoulders Exercise Key Form: 1. Sit on the floor with knees bent and lean back slightly, keeping a straight back.2. Hold hands or a weight in front of your chest.3. Twist your torso side to side, rotating from the ribs while keeping your lower […]