The Best Workout Sandbags to Add Some Grit to Your Fitness Routine Bring some functional training to your at-home routine with these hefty workout essentials. 5.11 Tactical, Titan Fitness, Onnit By ...

So, to help you reap these rewards, Michigan-based personal trainer Kaleigh Cohen has compiled a 30-minute functional fitness workout. Cohen uses a pair of dumbbells in this workout.