7 Reasons Your Arms Aren't Changing No Matter How Much You Work Out

| Fitness

Been trying to sculpt sleek arm muscles for months with no results? Don't throw in the towel just yet. Women's Health asked top trainers to name the most common mistakes people make when toning those triceps and biceps. Whether you're neglecting your shoulders or just lifting the wrong size weights, here's what you'll want to avoid to see some REAL progress.


1. You're doing too many isolated movements. Let's get one thing straight: Pumping out 100 triceps extensions with three-pound weights won't get rid of unwanted arm fat—nor will it make you any stronger. “No amount of weight and no number of reps of triceps extensions will get rid of flabby underarms,” says Heidi Powell, co-host of Extreme Weight Loss. Even if you go for heavier weights, lifting won't necessarily make your arm look slimmer (more on what will help later). “You’re just expanding the muscle, not burning the fat in that region,” says Powell.

So what’s a girl to do? Lauren Williams, head coach at Tone House in New York City, says multi-joint exercises like pushups, pull-ups and upright rows are more effective than exercises meant to target only one isolated area. Compound movements like these fire up your back and shoulder muscles first, and automatically loop in the biceps and triceps muscles while you’re at it.

2. You're working too hard. When it comes to your workouts, Williams says trying to power through exercises that are too advanced is detrimental to your progress. “You’re not able to work through the whole range of motion of the exercise,” she explains.

Take a pushup, for example. If you’re unable to do a full pushup on your toes, lowering your chest all the way down to the floor while keeping your body in a straight line (don’t let those hips sag!), then you need to focus on mastering an easier variation first.

“Focus on the full range of motion so you can get higher reps and see more improvement in muscle tone and strength,” says Williams. “If you need to regress the movement, do that.” So for a pushup, Williams says you can start doing them against a wall or a bench, and after you are able to complete three sets of 10 full pushups, start moving to the ground. A combination of the full-blown movement and a regressed one (like three full pushups and 12 bench ones) will help ease the transition.


3. You're only working your upper body. If you can get more of a total-body workout in the same amount of time and increase your calorie burn, the real question is why wouldn’t you? Jillian Michaels, celebrity fitness expert and creator of FitFusion, says she often sees people do upper-body or lower-body work alone when they should really be combined. “Combo moves increase calorie burn and make workouts more efficient,” she says. “Do lunges with your biceps curls, or squats with an overhead press. This will burn a hell of a lot more calories than straight curls or presses.” They'll also help get your heart rate up and rev that metabolism, meaning you’ll continue to burn calories after you hit the showers.

>> Video: Jillian Michaels Shares Her Fit Tips and Secrets

4. Those weights aren't heavy enough. Gone are the days of picking up tiny weights because you're afraid of “bulking up.” By now, we know that just isn’t going to happen unless you work really hard to do so; ladies simply don’t have enough testosterone. “If you want definition, you need to train with a weight that actually stimulates your muscles and produces a training effect,” says Holly Rilinger, Flywheel master instructor, NIKE master trainer, and creator of LIFTED. “If you’re choosing a weight where you can do 100 reps—or even 20-plus reps—you simply aren’t doing anything.”

Here’s how to know enough is enough: When performing an exercise, Rilinger says to aim for eight to 12 reps, and to be able to do that three to five times. “The last two reps in each set should be extremely difficult to finish without losing your form,” she explains. If it’s not—hooray!—you’ve beasted that weight and are ready for more.

For the rest of the reasons your arms aren't changing, click here to read the original story!

>> Read more: A Toned Arm Challenge To Kiss Upper Arm Jiggle Goodbye!

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