San Diego Union-Tribune

GUNS • Excessive pressure in wrong spot invites injury or worse

- Moore is a freelance health and fitness writer. This article appeared in The Washington Post.

before using one.

Josh Shadle is a massage therapist and avid CrossFitte­r in Boulder, Colo., who says his massage gun is a key part of his own recovery. He uses it every night, “sometimes for hours.” According to Shadle, “it’s just like a mirror of a really good massage therapist.”

Like a traditiona­l massage, the gun aims to reduce inflammati­on by flushing extracellu­lar fluids such as lymph fluid and venous blood out of the muscle tissue and into the circulator­y system. It can help relax tight muscles, break up scar tissue and adhesions, and minimize muscle soreness and tension. A small study published in the Journal of Clinical and Diagnostic Research found percussive therapy to be as effective as massage in preventing delayed onset muscle soreness, or DOMS.

Unlike with many other forms of bodywork, it’s not only possible but recommende­d to perform percussive massage on yourself. Alan Novick, physician and chief of the Memorial Rehabilita­tion Institute in Hollywood, Fla., says that anyone else, regardless of their credential­s and skill, can’t tell how much pressure they’re exerting on your body or how much pain you might be experienci­ng. “You could actually hurt somebody,” he says.

On the other hand, if you’re using it on yourself, “you have that direct feedback loop and you’re not going to apply as much pressure,” Novick says.

Similarly, “if you’re using the gun yourself and you feel electrical feelings, like [from] your funny bone going down to your hand,” Shadle says, “you’re probably not going to continue to do it.”

Massage guns, Shadle says, can be used before a workout to “wake up” the muscles or after a workout to facilitate recovery. They’re also a useful tool for nonathlete­s. Because they’re easy to use and can reduce tension and increase function, he recommends them for people of all ages, “from the injured athlete to the software developer” who is at a computer all the time.

When it comes to massage

gun usage, more isn’t necessaril­y better. How much is too much? “If the tissue is getting really red really quickly, [that means] you’ve got a lot of blood flow in there,” Shadle says. At that point, he recommends moving the massage gun to another body part. He also notes that if you keep the massage gun on one spot for too long (in some cases more than a couple of minutes), your skin can become sore and tender and you risk bruising. In general, he advises avoiding holding the gun in a static position for more than a few seconds, and to move it around in a small radius in one area instead.

Massage therapists are licensed profession­als with specialize­d training, including the study of human anatomy. To own a massage gun, on the other hand, all you need are a credit card and an Internet connection.

It’s up to consumers to protect their health by taking certain precaution­s. “You always want to get cleared by your doctor first and foremost,” advises Mike Venezia, a Hermosa Beach chiropract­or and medical

director at Addaday.

No matter what, the massage gun should never cause pain. At best, your muscles won’t relax during a painful massage. According to Venezia, if you’re tensing your muscles to resist the massage, also known as muscle guarding, “it’s like hitting a brick wall, your muscles are rejecting it.” If it’s painful, “stop right away because you’re pressing too hard.” At worst, pain may be a signal that you’re inflicting real harm. If you experience a pins-and-needles sensation or your pain has an electrical quality, you’ve literally touched a nerve — and you should put the gun down.

The massage gun is meant to be used on muscles, rather than nerves, bones, joints or tendons.

While it may seem obvious,

experts advise avoiding anywhere you have scabs, wounds, cancerous lesions or a recent bone fracture.

People should also avoid using the massage gun on any body part that has impaired sensation. In particular, this is a concern for those with peripheral neuropathy, a condition often caused by diabetes. Without accurate sensory feedback, you could cause damage without even realizing it. “If you have neuropathy,” explains Novick, “you’re not feeling that you’re potentiall­y hurting yourself.”

According to Shadle and Novick, you should never apply a massage gun to the neck. “You could literally get a carotid dissection,” Novick says. A carotid dissection is a tear in the carotid artery; such a tear can interfere with blood flow to the brain and ultimately cause a stroke. You can, however, safely use a massage gun on your shoulders and/or trapezius muscles to relieve the tension that so often comes from working at a computer.

Also, massage guns and prescripti­on blood thinners such as heparin and warfarin shouldn’t mix. While taking daily aspirin wouldn’t be an issue, Novick says, if you’re fully anticoagul­ated, and therefore bleed and bruise easily, applying the repetitive pressure of the massage gun to your body “will create a problem.”

A quick browse on Amazon turns up a wide range of options, with price tags ranging from $100 to north of $2,000. Why cost varies so much is anyone’s guess. “That’s one of life’s mysteries,” Williams says.

That said, there are certain qualities to consider when making a purchase. Some buyers may want to consider a company’s reputation and the availabili­ty of customer support and/or warranties. “Because [massage guns are] so powerful, I want a company to be behind me if something goes wrong,” says Shadle, explaining why he went with a name brand.

Also, consider noise level and ergonomics. A loud device may be not just irritating but counterpro­ductive. If your device sounds “like a jackhammer,” Williams says, you’re more likely to tense up, which will rob you of some of the benefits. (Williams also notes that the noise level isn’t always reflected in the price.) But even a silent massager won’t help you if its size, shape and/or weight make it difficult to handle. For people with smaller hands and/or arthritis, these factors are particular­ly important.

Makers try to differenti­ate their products by specifying certain millimeter­s of amplitude, power voltage, pulses per minute and levels of intensity. But “there’s not a lot of science,” Novick says. Without controlled studies, there’s no way to know if one product is actually more effective than another.

“It finally comes down to what people think,” Novick says. His advice? Find one with lots of different settings so you can experiment to determine what you like best — and listen to your body.

“You always want to get cleared by your doctor f irst and foremost.”

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 ?? GETTY IMAGES ?? Using a massage gun on oneself provides an instant feedback loop that helps prevent pain and injury.
GETTY IMAGES Using a massage gun on oneself provides an instant feedback loop that helps prevent pain and injury.
 ?? GETTY IMAGES ?? Mike Venezia,
Addaday chiropract­or and medical director, Hermosa Beach
GETTY IMAGES Mike Venezia, Addaday chiropract­or and medical director, Hermosa Beach

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