Conditioning workouts don’t need to last long to be effective. How Long Should a Workout Last if You Want to Build Muscle? You could spend as little as four minutes on a workout: “There is no minimum,” says Marie Urban, regional group training coordinator for Life Time.. “You can get a great workout no matter how much time you have.” Focus on protein first and foremost, but if you're training long and hard enough, get some simple carbohydrates in there, as well. For decades it was known as calisthenics and pretty much shunned by ‘serious’ trainers. The long answer, as ever, starts with “it depends.” It seems like a question that should have a straightforward answer, but the truth is, there isn’t one. For more great mobility exercises that you can do both before training and at home on off days I highly recommend checking out THIS book. Conditioning. On average, it’s probably going to take somewhere between 45 and 90 minutes. How long should a workout last if you want to build muscle? For most people, 45 to 90 minutes is enough to get the job done. How Long Should a HIIT Workout Last? According to a popular NY Times article, there is research that supports the idea that all you need is 7 minutes. In fact, long before the first barbell was invented, men were using their body and gravity to grow stronger, throw further and run faster. That’s the short answer. A shake is the easiest thing to digest immediately after your workout. On the other end of the spectrum, I’ve had clients tell me they go to hour-long … After your workout, pick 3-5 main areas and hold for five full breath cycles. Body weight training has been around forever. How long should a workout last? This seems to be the million-dollar question these days. Over the centuries, bodyweight training has come and gone out of fashion. You should also own a few of THESE implements to keep yourself healthy.