Is working out same muscle group twice a week a good idea?

Generally speaking, yes, twice a week is fine for a young person in good health. read more

For this reason, I (and many others) like to consider any workout frequency where each muscle group is trained somewhere between once every 3rd day (like the original twice-per-week example) and once every 5th day (like the two twice-per-week examples above) a part of the same “moderate frequency” group. read more

Training a muscle group twice per week is so much better than once per week, because your muscles will adapt to the training and grow faster. Diet Your diet can greatly affect your muscles' recovery time. read more

I found that training them twice a week, every three or four days, worked out best for adding size and detail. Many guys tend to think you only need to train a specific area once per week, feeling it leads to more growth. read more