Weight training is meant to help you lose body fat while strength training is meant to develop muscle mass. When you add strength training to an existing routine, you probably won’t see more than a pound or two in weight gain.
Why do I weigh more the day after lifting weights?
Strength training causes mini tears in your muscles, which is how muscle growth occurs according to the American Council on Exercise. These tears, however, can lead to fluid retention in the muscle and cause a weight gain immediately after your workout.
Does lifting weights make you gain weight at first?
Why the initial weight gain? When you start an exercise program, your body naturally goes through several changes in the first couple months. A new exercise regimen puts stress on your muscle fibers. … Your body responds to the micro tears and inflammation in two ways that cause temporary water weight gain.