Strength-training workouts that employ low weights and high reps are good for your heart and lungs as well as building muscles. This includes high-intensity interval training (HIIT) workouts, which entail alternating between pushing your body hard and taking short breaks.
Yes, you can build muscle with light weights, especially if you focus on higher reps and longer sets. The key to muscle growth is progressive overload, which means gradually increasing the challenge to your muscles. Light weights can still stimulate muscle growth if you work to fatigue and ensure proper form.
Despite the widely-held belief that you need to use really heavy weights to build muscle, working out isn't just about how much you can lift. We've got good news for you: You don't have to lift heavy to get great results!
Longer answer--yes, but you'll need to do more of a metabolic style resistance training, ie supersets or giant sets with short rest periods. With weight that light you'll never create the type of muscle fatigue and breakdown you need doing standard single sets with normal rest periods.
For beginners, Ben recommends trying five to 10 pounds for light weights, 10 to 20 pounds for medium weights, and 15 to 30 pounds for heavy weights—or simply starting with five-pound weights for each exercise and working up from there.
“You can lift lighter weights, and as long as you lift them with a high degree of effort, they're as good as heavier weights in making you bigger,” he says. Using a home gym machine or even just your own body weight, like with push-ups or lunges, works.
While the difference was small, this study shows that you can absolutely build muscle even if you have lighter dumbbells. So, tell your 3lb dumbbells to cheer up, they can be just as useful as a 5lb dumbbell.
If you're looking for a leaner frame and a stronger stamina, light weights and high reps is your best bet. Using a light hand weight during your strength training workouts increases your muscular endurance whereas the heavier alternative builds muscular strength, which increases the size of your muscles.
Fitness experts say, it's possible for a slim guy to put on muscle. The bonus for you here is that your body fat levels are naturally low, so when you do gain muscle, you'll be able to achieve a ripped look.
Low Weight, High Reps Is Good for Overall Health
HIIT workouts can also help control and improve blood glucose readings, a measure of diabetes risk. Workouts that use low weight with higher reps are also safer. If you try to lift weights that are too heavy, you are more likely to cause a muscle tear or strain.
Research suggests lifting smaller weights and doing more repetitions (or, in gym parlance, “reps”) can have a role to play – but it all depends on your goals. In short: if your goal is to build serious strength and bone density, lifting heavy is an efficient way to do it.
A moderate repetition scheme with moderate loads (from 8 to 12 repetitions per set with 60% to 80% of 1RM) optimizes hypertrophic gains. A high repetition scheme with light loads (15+ repetitions per set with loads below 60% of 1RM) optimizes local muscular endurance improvements.
If your bicep-building workouts feature you slinging around 75-pound plus dumbbells, certified strength and conditioning coach Paul Sklar's got a PSA for you: “You don't always need very heavy weight to grow great biceps.” The bicep burner he put together using just a resistance band and two light-weight dumbbells ...
You'll typically start to see results in 6-8 weeks, and more significant gains after three months. Yet however long it takes, developing your muscles and making them stronger is something we should all be doing to improve our overall health and quality of life.
In short, yes. But, Savage says “it all depends on what your personal goals are for your fitness journey. If your primary goal is to maintain strength and muscular definition, then sticking to lighter weights and higher repetitions is perfect for your routine.
6 weight exercises, just once a week
They completed one set each of six common exercises, in order: the chest press, pulldown, leg press, abdominal flexion, back extension, and either hip adduction or abduction (alternating these hip exercises from week to week), using machines available in most gyms.
Rest between set durations should be based on sets/exercise (volume), and not load or training goal. General recommendations include moderate (2 min) rest between sets if performing 2 sets/exercise, long rest (3 min) if performing 3 sets/exercise, and very long rest (> 4 min) if performing 4 sets or more/exercise.
"We already know only one eccentric muscle contraction a day can increase muscle strength if it is performed five days a week -- even if it's only three seconds a day -- but concentric (lifting a weight) or isometric muscle contraction (holding a weight) does not provide such an effect," Professor Nosaka said.
These beginner arm toning exercises are easy to do at home with a pair of 3-pound dumbbells (or bodyweight alone). For best results, do each of the upper body exercises for the number of reps indicated one to three times per week.
They Can Improve Your Muscular Endurance.
Low-weight, high-rep workouts build your muscular endurance by increasing the amount of time your muscle is able to contract under force. Your muscles don't fatigue as quickly as they would with heavier loads, Sam says.