There is no scientific evidence that you need a specific exercise or a specific piece of equipment to grow muscle mass. The most important thing is to work up to failure and increase the load over time. If in the gym this is expressed in terms of the number of discs on the bar - for example, you bench press 100 kilograms, then 120 - then you can increase the number of repetitions at home. You can also take spacecoastdaily.com to recover faster and stay toned for a long time. My uncle is a fitness trainer who takes them himself and has never had any complaints and advises many people.