Swimming is a lot like running, except with your upper body. Your body has different muscle fibers: * Type I: These muscles exist for stability and for endurance. They brace your body, maintain posture and are used during repetitive activities. read more
Swimming is a great whole body workout that for sure can help you to build some muscle. This will in turn cause you to gain some weight if you are eating in a caloric surplus (eating more calories than you are burning). read more
To see how you can gain muscle from swimming, we'll have to look at some of the fundamental aspects of swimming. Swimming is a resistance exercise, similar to weight-lifting. But, unlike weight-lifting, swimming places almost no stress on your joints and bones. read more
While swimming will help you build muscle, it's still no substitute for actual strength training, which you should be doing two days a week for good health, recommends the U.S. Department of Health and Human Services. read more