Sciatica afflicts millions of people each year—though not as many people as think they have it. A growing catchall term among the undiagnosed for all manner of back problems, sciatica is a specific lower-back nerve condition that requires specific action to address.

“Early detection matters,” John Gallucci Jr. MS, ATC, PT, DPT, the CEO of JAG Physical Therapy, tells Popular Science. “If you start feeling sciatica pain, do not wait to get it treated. Prolonging the pain will only make it worse.” 

So, anyone seeking sciatica stretches and exercises should be certain they’ve received the right diagnosis for what they’re suffering before embarking on a concerted effort to relieve it. Once they do, however, they’ll find that sciatica can be improved fairly simply.

We asked Dr. Gallucci about the physical therapy exercises for sciatica he recommends, and he bent over backwards—don’t worry, it’s forward movement that triggers sciatica—to help. Learn about each below along with the symptoms, provocations, and prevention methods of sciatica.

What is sciatica? 

Sciatica refers to pain or tingling caused by irritation of the sciatic nerve, which governs much of your lower body function. It’s the body’s largest nerve, running from several roots in the lower spine, through the glutes, then down the back of the thigh and into the lower leg and foot.

“When any portion of this nerve becomes compressed or inflamed, the result can be pain or altered sensation anywhere along its long pathway,” Gallucci says.

A common misconception among amateur orthopedists mischaracterizes any lower back pain as sciatica, but that label applies strictly to pain originating from the sciatic nerve. Notably, a condition called piriformis syndrome can mimic sciatica symptoms due to the proximity to the sciatic nerve of the piriformis muscles that connect the spine and femur. Sciatica and piriformis syndrome stem from different causes and call for different remedies.

6 signs of sciatica

Sciatic pain is characterized by a sharp, shooting sensation that radiates from the low back into the buttock and leg, typically following along a discernible line. Besides pain, there are several other indicators of sciatica to watch for, according to Dr. Gallucci.

• Numbness or tingling in the buttock, thigh, calf, and/or foot.
• Leg or foot weakness such as difficulty lifting the toes or pushing off when walking.
• Muscle spasms in the low back or glutes, often triggered by transitions like standing up from sitting or rolling in bed.
• Worsened symptoms after prolonged sitting or long car rides. Many patients report “burning” or a “deep ache” after 20 to 40 minutes of sitting.
• Pain that eases with gentle walking.

In the vast majority of cases, sciatica only affects one side of the body at a time. 

When to see a doctor

If you experience these more serious symptoms, seek immediate medical care:

• Leg weakness that causes stumbling
• Numbness in the groin or “saddle” area
• Change in bowel or bladder control

What causes or worsens sciatica?

The most common cause of sciatica is a herniated or bulging lumbar disc, something only an MRI or CT scan can confirm. There are a number of factors that can contribute to both.

• Age: Sciatica appears to peak among people in their forties.
• Prolonged sitting: especially when combined with poor posture or deep, couch-style seats.
• Job: Incidence of sciatica has shown to be higher for certain occupations, including machine operators, truck drivers and workers placed in awkward positions (see below).
• Lifting with poor mechanics. Failing to use proper form when picking up even moderately heavy objects can overload the lumbar spine both acutely and chronically.
• Smoking: Cigarette use causes blood vessels to constrict, reducing an already limited nutrient supply to spinal discs, which may degrade faster with prolonged smoking.
• Tight hip flexors or hamstrings, which increase lumbar stress.
• Weak core and glutes, which can increase nerve strain and decrease stabilization.

Sciatica is generally inflamed by movements involving repetitive lumbar spine flexion (think: crunching), twisting of the trunk, frequent elevation of arms above shoulder height, even coughing. Prolonged sitting while driving or working at a desk can exacerbate this by increasing load on the intervertebral discs in your lower back, which can further irritate a herniated disc.

One thing that doesn’t appear to have an impact on sciatica is gender; no greater predisposition has been shown among men or women, though men are two to three times likelier to experience sciatica owing to their greater incidence of physically demanding work.

Most cases of sciatica resolve in four to six weeks with no long-term complications, even absent medical treatment. More severe cases may be accompanied by a longer recovery time.

7 Stretches and Exercises to Help Relieve Sciatica

The answer to your back pain is likely some form of movement. This selection of glides, stretches and exercises recommended by Dr. Gallucci provides seated, standing and lying options to decompress the lumbar spine and reduce pressure on the sciatic nerve.

1. Sciatic nerve glide (or “flossing”)

So called because it’s not quite a stretch, rather this movement gently mobilizes the nerve—rather than lengthening the muscle—to decrease sensitivity and improve circulation.

• Sit upright on the edge of a chair with both feet flat on the floor.
• Slowly straighten your right knee while pulling your right toes upward.
• Return to the starting position by returning your right foot to the floor while simultaneously bringing your chin toward your chest.
• Repeat by straightening your knee and bringing your head back up to neutral.

Reps: 10 to 15 per leg, 1 to 2 times per day

Tip: This movement should feel smooth, so avoid any sharp pulling.

2. Figure-4 piriformis stretch

This more conventional seated stretch reduces tension in the piriformis, a common compression point.

• Sit upright on the edge of a chair with both feet flat on the floor.
• Cross the ankle of your right leg over your left thigh, just above your knee. 
• Keeping your spine straight, gently lean forward until you feel a stretch and hold for 20 to 30 seconds.

Reps: Perform 2 to 3 rounds per leg.

Tip: Pull your knee toward the opposite shoulder for a deeper stretch.

3. Cat-cow spinal mobility

This classic yoga sequence improves spinal mobility and decreases stiffness around irritated segments.

• Get down on the floor in tabletop position, with your hands directly under your shoulders and your knees directly under your hips.
• Round your spine up toward the ceiling while simultaneously tucking your chin toward your chest and drawing your belly button inward.
• Reverse the move, slowly arching your back, while lifting your chest and tailbone upward, allowing your abdomen to relax.

Reps: Perform 10 to 15 cat-cows in a slow and controlled manner.

Tip: Focus on smooth lumbar movement rather than forcing large ranges of motion.

4. Child’s pose

Another yoga-inspired stretch that gently lengthens the spine and reduces lower-back pressure.

• Get down on the floor in tabletop position, with your hands directly under your shoulders and your knees directly under your hips.
• Sit your hips back toward your heels, and extend your arms forward on the floor. 
• Allow your forehead to rest on the floor and hold for 30 to 45 seconds

Tip: If your knees bother you, widen them or rest on a pillow.

5. Standing hamstring stretch

The lone standing movement on the list helps loosen hamstrings and relieve stress on your lumbar spine.

• Stand tall with your feet hip-width apart.
• Plant your right heel on the floor slightly in front of you with your knee straight and your toes pointing upward.
• Keeping your back flat, gently hinge forward at your hips until you feel a stretch in the back of your thigh.
• Hold for 20 to 30 seconds and repeat on the other leg.

Tip: Lengthen through your spine, hinging at your hips rather than rounding your back.

6. Glute bridge

This lying hip extension exercise strengthens glutes and the posterior chain, reducing load on your lumbar spine.

• Lie on your back with your arms at your sides and your feet flat on the floor.
• Engaging your core, drive through your heels and lift your hips toward the ceiling until your body forms a straight line from your knees to your shoulders.
• Slowly lower your hips back to the floor.

Reps: Perform 12 to 15 bridges per set, completing 2 to 3 sets.

Tip: Avoid arching your lower back.

7. Side-lying clamshell

Reduce load on your lumbar spine by strengthening your hip abductors, piriformis muscles, and glutes with this abduction exercise.

• Lie on your right side with your hips stacked and your knees bent 90 degrees. Rest your head on your right arm if it feels comfortable.
• Draw your knees in toward your body until your feet are in line with your glutes.
• Without allowing your hips to rotate, raise your top knee as far as you can and return it to the starting position.

Reps: Perform 20 to 30 clamshells per set, completing 2 to 3 sets per side.

Finally, it’s important to note that this article is intended for informational purposes only and does not constitute medical advice. You should always consult a healthcare professional before beginning a new exercise or treatment regimen.

The post 7 sciatica stretches and exercises for pain relief appeared first on Popular Science.

You can learn a lot about a society from the way they raise children. That includes not only what children learn, but how, when, and where they play.

Our modern concept of childhood emerged during the Enlightenment movement of the 18th century. Influential figures like philosopher Jean-Jacques Rousseau promoted the idea that children need special opportunities to explore and express themselves through playtime. 

Before then, children were treated essentially as small adults. Of course, kids in ancient or medieval times liked to run around and play as much as kids today, and they did so wherever they could. But only after childhood became thought of as a distinct stage of life with unique needs did adults start to design spaces like playgrounds.

When we look at the history of playgrounds, we can see how ideas about children’s play have changed over time.

The first playgrounds weren’t for children

The term “playground” predates the modern definition and was first used “to describe a general place of recreation,” Jon Winder, a historian of urban environments at the University of Liverpool in the UK, tells Popular Science. Winder explains that the modern children’s playground originated in 1840s England, when parks in the cities of Manchester and Salford set aside areas for children’s activities. 

The park designers were influenced by earlier German education reformers like Friedrich Fröbel, who outfitted his schools with sandboxes for young students. Best-known for coining the term “Kindergarten,” Fröbel believed that cooperative outdoor play was essential to children’s development.

In the 19th century, “there was quite a lot of sharing of ideas between the UK and Europe” regarding social issues like education and public health, says Winder. The massive changes wrought by the Industrial Revolution, including an ever-growing urban population, brought with them concerns about how these changes were affecting adults and children alike. 

Early children’s playgrounds were meant to get kids off city streets

While rural children could still play in fields and forests, working-class urban children often played in the street, exposed to a variety of dangers. Adding children’s playgrounds to cities “was partly about removing [children] from the street” for their safety, says Winder. However, “that idea merged with these ideas about recreation, that there was something inherent about city life that led to physical degeneration of people.” 

The perceived negative effect of city living was considered a potential threat to the British Empire, which needed strong, healthy citizens. Gymnastic exercise regimens like Pilates became the health craze of the time. What people thought was best for adults extended to children, and “the spaces that were set aside for children to play in invariably also had gymnastic equipment,” says Winder.

The first playgrounds were not for fun

Some of the equipment in those first 19th century playgrounds resembles what we might see in an Olympic gymnast’s routine today, such as vaulting horses and climbing rings. Winder points out the absurdity of children being expected to know how to safely and effectively use such things. However, he explains, “It wasn’t about play as we would understand it. It was about physical exercise and strength.” Playgrounds were less about imagination and more about “wholesome strengthening exercises.”

Winder notes that these early athletic playgrounds were also used to enforce Victorian gender norms. Not only were the first playgrounds separated by gender, he explains, “They had different equipment in them, because social reformers thought that girls and boys were capable of different types of physical exercise.” While a girls’ playground might have space for hopscotch and shuttlecock, boys would get more physically challenging equipment like ladders and climbing ropes. 

Furthermore, the design of the first playgrounds seemed intended to keep children themselves conveniently out of sight. Winder noted in 2022 that the first English playgrounds in Manchester “were hidden in the shrubbery on the boundary of the park, to prevent them from spoiling the view of the picturesque landscape.” 

Playgrounds spread around the world

As playgrounds spread to other cities in the UK and continental Europe, British companies began to mass-manufacture playground equipment. The reach of the British Empire meant that such equipment could be exported as far afield as South Africa and New Zealand, bringing with it contemporary ideas about what playgrounds were for.

American social reformers and urban planners soon joined the international conversation. “There were playground campaigners in the UK who were in correspondence with some of the organizations in the U.S.,” says Winder. “They swapped letters and did site visits.” 

American educator Henry Barnard drew up plans for a playground as early as 1848. It featured rotary swings, blocks, toy carts, and a shaded area for teachers to keep watch from. However, the first public playgrounds in the United States weren’t built until the late 1880s, with both Boston and San Francisco claiming the record. 

Following the earlier British model of the playground as a place to work out more than to play, Boston’s children’s playgrounds were part of a larger “open-air gymnasium” for all ages, and were separated by gender. 

However, there were some differences between American and European playgrounds. Early American playgrounds often featured adult facilitators who led athletic activities, something like modern gym teachers, as well as indoor activity spaces for bad weather. And as public playgrounds spread throughout the United States, racial segregation (both legal and de facto) was enforced in many such spaces until the 1950s. 

Putting the “play” back in playground

In 1921, industrialist Charles Wicksteed opened Wicksteed Park in Kettering, England, which Winder calls “a big, significant shift in the development of these children’s spaces.” Unlike earlier public playgrounds, Wicksteed Park emphasized amusement over exercise. Decked out with an ever-evolving range of equipment, as well as a theater, fountains, and refreshment areas, the space was designed to be enjoyed equally by boys, girls, and adults.

Rather than having gymnastics equipment, Wicksteed debuted some new kinds of playground equipment at his park based on fairground rides, such as the first playground slides, which were inspired by early roller coasters. 

Wicksteed is also credited with designing the modern playground swing, after the homemade swings that children had previously hung from trees (or even street lamps). Wicksteed sold his equipment to other parks, and the influence of Wicksteed Park spread far and wide. 

By the 1930s, says Winder, many designers had begun to accept the idea that “playgrounds perhaps needed to be fun to attract children and get them off the street.” While the playground was still seen as a place for children to get physical exercise in the 20th century, it increasingly became a site of entertainment.

The playground’s present and future

Both playground equipment and our perception of playgrounds have become more focused on fun over time. However, this also means that specific manufactured equipment has become increasingly viewed as essential to the playground. Today, park and school administrators may feel pressured to buy the right products to make a playground feel complete. Is it really a playground if there’s no slide or swing set?

Winder identifies a tension between equipment that stimulates creativity, and the constraints of budget and practicality. Kids can do a lot more with sand than with a set of swings, but it’s also a lot more work to keep clean and tidy.

But as ideas about education and the role of play in children’s lives have continued to evolve, the 20th century has also seen an increase in playgrounds that integrate more thoughtfully with the space around them. 

Dutch architect Aldo Van Eyck transformed hundreds of abandoned urban spaces into unique playgrounds designed to inspire children’s natural creativity, without dividing them from the rest of the environment, like the first Victorian playgrounds.

Designing playgrounds “was never about making city streets better places to play,” says Winder. “It was about removing kids from the street and segregating them into one place.” 

Winder advocates for urban design that “creates a more balanced relationship between people and vehicles on streets.” With more pedestrian-friendly spaces meshed into urban environments, children can be safe to let their imaginations run wild, whether that’s in a playground, in a park, or in other places set up for foot traffic.

“Kids are inherently playful,” says Winder, and they’ll find ways to play wherever they are. The challenge for adults has always been to try and get them to play the way we want them to.

In The History of Every Thing, Popular Science uncovers the hidden stories and surprising origins behind everyday things.

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