Strength training burns calories in several ways. When you lift weights, your muscles use energy. This energy comes from burning calories. During exercise, your heart rate increases, and you need more oxygen. Your body uses calories to repair muscles after a workout, too. This repair process can last for hours, burning even more calories. This means that strength training not only burns calories while you exercise, but also when you rest.
Several things can change how many calories you burn in a workout. These include your age, sex, and body weight. The type of exercises, the weight you lift, and how long you rest can also impact calorie burn. People who lift heavier weights or do more sets usually burn more calories.
Cardio exercises like running often burn more calories in a short time. But strength training builds muscle, and muscle tissue burns more calories than fat, even at rest. Over time, regular strength training can help you burn more calories all day long, not just during your workout.
Changing your workout variables helps you burn more calories. Try using more sets and repetitions (reps) for each exercise. Shorter rest intervals and heavier weights can increase your calorie burn. For example, try three sets of twelve reps, resting for thirty seconds between sets. Track your progress and slowly increase the weight to challenge your body.
Compound movements use multiple muscle groups at once. Examples are squats, deadlifts, and bench presses. These exercises burn more calories than isolation exercises like bicep curls. Focus on compound exercises to maximize calorie burn during your strength workouts.
Supersets and circuits keep your heart rate high and reduce rest times. To do a superset, perform two exercises back-to-back, then rest. A circuit involves doing several exercises one after another with little rest. HIIT (High-Intensity Interval Training) with weights mixes short bursts of heavy lifting and quick rests for powerful calorie burning.
Resting less between sets can boost your heart rate and calorie burn. Try resting thirty to sixty seconds between exercises. Also, slow down the tempo of your lifts. Lift the weight slowly and lower it even more slowly. This keeps your muscles working longer and uses more energy.
Fitness trackers and wearable devices can estimate how many calories you burn during strength training. Many apps let you input your exercises, sets, and reps. This data gives you a better idea of your calorie burn for each session.