A good working knowledge of your anatomy can help you dial in your workouts.

You don’t always need to add reps or sets to get a harder workout. Challenging your body to fight instability will make an exercise harder and offer some variety to your workout.

To become a more resilient runner, add a quick strength-training routine into your week. Your form will gain power and stamina and you’ll improve overall fitness and strength.

Get stronger with these five simple strength-training maneuvers from coach Jeff Horowitz.