Hidden Muscles That Are Causing You Pain

Come and meet your piriformis, supraspinatus, and other muscles you've never heard of. They may be the reason for your soreness.

The deal with hidden muscle pain

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Sore and not sure why? Your pain may be rooted in problems with unsung and underlying muscles you’ve probably never heard of. “Minor muscles enable large muscles to do their job,” says Bryan Heiderscheit, PhD, PT, a professor of orthopedics & rehabilitation at the University of Wisconsin-Madison. “When the small ones aren’t working properly, it can lead to injury or pain.” There’s no simple way to know yourself which muscle is responsible for your achiness; a physical therapist or doctor can evaluate form, pain (and use other diagnostics, like MRI, of course, to pinpoint an issue). But strengthening and stretching these minor-league muscles is a big part of a conservative approaches to pain management, so the following exercises will likely help. Here, some common aches and how to avoid them by giving these minor muscles some TLC.

The pain: bottom of foot

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Discomfort on the bottom of your big toe could mean you’ve strained the flexor hallucis longus (the muscle that curls your big toe). How it happens: If you have weakness in your hips, it forces other parts of your body—including your foot—to help keep you balanced as you walk. “The big toes grabs the ground and keeps your foot from tipping over,” says Kevin Vincent, MD, PhD, medical director of the University of Florida department of orthopaedics and rehabilitation. Extra strain on the foot causes the flexor halluces longus to overwork and thus cause pain. Prevent it: Strengthen the muscles in your foot, as well as in your hips, by doing lunges and squats barefoot or in minimally cushioned shoes. Shoes that are too supportive don’t let your foot muscles build up resilience; spending time barefoot can help strengthen them, Vincent says. Don't miss these 10 signs of disease your feet can reveal.

The pain: backside

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Some pains in the you-know-what often come from a weak piriformis, a muscle that spans across the width of your butt that helps your hips rotate. Prevent it: To strengthen your piriformis, walk sideways with your knees slightly bent (sort of like a shuffle but with slow, deliberate movements).

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The pain: neck

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If you wake feeling like you slept funny, you may have strained one of your scalene muscles, which run along the side of your neck. Prevent it: Neck pain is often connected with strength issues involving many surrounding areas, including the shoulders and upper back. One of the best ways to keep your neck from going out is to work on good posture, Heiderscheit says. Imagine a string tied to the top of your head and someone is pulling that string to the sky. Here are 7 other sneaky reasons your neck hurts.

The pain: lower back

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Two muscle groups that can contribute to back pain are the psoas and the multifidus muscle. The psoas, which lies deep inside your hips, gets tight from sitting too much. Multifidi are thin muscles that attach to the vertebrae to help stabilize it. “Several studies show that when you train these muscles, the severity of back pain decreases,” says Heiderscheit. Prevent it: If you sit a lot, get up and walk for at least two minutes every hour. To stretch the psoas, put one foot and the opposite knee on the ground (like a down position of a lunge). Thrust your hips forward to feel that muscle stretching, says Rachel Cosgrove, certified strength and conditioning specialist and author of the Female Body Breakthrough. To work the multifidus, lie flat on your stomach on the ground or a bed and lift your shoulders off the ground (like a mini cobra). You can do 20 or 30 of those a day. These exercises are also good for treating back pain.

The pain: shoulder

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If it’s hard to reach for items above your head or to twist to unhook a bra, the pain could come from an impingement—where your supraspinatus, a small muscle in your upper back, gets pinched in a bone. Slouching forward at the shoulders is a common trigger, Vincent says. Prevent it: Opening up your back helps take pressure off the place where the muscle can get pinched. One simple home exercise: Hold some kind of light weight (like a can of food or a jug of water) in each hand by your side, bend slightly forward and lift them up to your sides, concentrating on squeezing your shoulder blades together.

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