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Try 5 exercises to fix knee pain and offset the damage of sitting all day, according to a physical therapist

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Try 5 exercises to fix knee pain and offset the damage of sitting all day, according to a physical therapist
  • If you get knee pain or injuries in the gym, that could be from sitting all day.
  • Exercises that strengthen and stretch the leg muscles effectively will help protect knees.
  • For healthier joints, aim to move regularly and work on your balance and stability.

Simple exercises can help prevent knee pain from derailing your routine, according to a physical therapist.

Andrey Simeonovski, a physical therapy doctor, recently spent a week in Kathmandu as part of Operation Walk, helping rehabilitate patients who’d had knee replacement surgeries.

He said a major takeaway from the experience is that consistently putting your body through the same motions can cause problems, whether you’re sitting all day or doing repetitive physical tasks.

“It’s a variety of movements that are important for your health in your body,” Simeonovski said.

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Here are some exercises that offer your joints a range of motion to strengthen the surrounding muscles. As always, it’s best to work with a qualified trainer, or talk to a doctor first if you have existing injuries.

Lateral “monster walks” can relieve knee and back pain


A man in a long sleeved shirt and leggings does a low squat lateral step exercise with a resistance band.

Lateral steps with a resistance band help to strength muscles that support the knees.

Milan Markovic/Getty Images



Resistance bands are a great tool for strengthening muscles that help stabilize the knee joint.

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Simeonovski said a common exercise he uses for the knees, hips, and back is the “monster walk,” taking steps from side to side with a band around the legs or feet.

The band provide tension to engage the glutes, which can be underdeveloped from sitting all day, so firing them up helps to stabilize the rest of the body.

“It reduces strain on the low back,” Simeonovski said.

Quad stretches help take pressure off your knees


A woman in workout clothes performing a half kneeling quad stretch outside in an exercise field.

A half-kneeling pose known as the couch stretch can help open your helps and lengthen your quads. It’s typically done with the back foot and shin pressed against a wall. Resting your knee on an elevated surface like a bench can provide more stability.

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Knee pain can often result from tightness in the quads, which then pull on the knee and create problems, according to Simeonovski.

A couch stretch can help lengthen and loosen up the quads while opening up the hip flexors.

Simeonovski typically recommends an elevated version of the stretch, which is easier on the knee:

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Rest one knee on a bench or box near the wall. Bend that knee while moving the shin and top of the foot to rest flat up against the wall.

If it’s painful, ease up on the stretch, especially if you have an injury.

Simeonovski said the best way to avoid injury is pay attention — if something is painful enough that it’s distracting, or if you stop the exercise and the pain persists, don’t continue.

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“Pain that lingers is a red flag,” he said.

Hamstring curls can protect your knees from injury

Simeonovski said the hamstrings, the muscles on the back of the leg, are often overlooked. We tend to focus on the quads on the front of the leg. But that can increase the risk of damaging ligaments in the knee because the quads can put too much pressure on the ACL without the hamstrings to counteract them.

To strengthen the hamstrings, try Nordic hamstring curls.

Start in a kneeling position with your feet secured (you can use a special mat or bench, tuck them under a couch or other furniture, or have someone hold them). Keeping your torso, hips, and shoulders in a straight line, slowly lower yourself to the ground, landing on your hands as if in the bottom of push-up.

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This exercise can be challenging. If you feel like you don’t have control, use a resistance band secured behind you to help offset some of your body weight. That will make the movement easier.

Step-ups strengthen the knee and help fix imbalances


A man doing a step-up exercise at the gym

Step-ups can help address muscle imbalances by focusing on one leg at a time, while also improving lower body strength and stability.

Zinkevych/Getty Images



One of Simeonovski’s go-to exercises for improving lower body strength and joint health is the step-up.

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Stand in front of a stool, bench, box, or stairs, and place one foot on the elevated surface. Pressing through that foot, lift your body up onto the step, and then return to the starting position. Repeat, alternating the starting foot.

Step-ups are low-impact and work the glutes, hamstrings, and quads as well as the core muscles. Alternating sides can also help improve your balance.

Go slow and gradually increase weight, height, or intensity as you get comfortable with the exercise. Squats and lunges offer similar benefits, but may need modifications if you have an existing injury.

Simeonovski said he prefers these movements to exercises like knee extensions, which aren’t necessarily bad for your joints, but don’t offer as much stability.

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Rotational exercise helps to offset damage from sitting


An athlete in leggings and a sports bra performing a side lying twist stretch on a mat in a living room

The open book: Stretching your spine can help improve overall movement and prevent back and hip pain.

SimpleImages/Getty Images



Tightness in one area can cause a chain reaction and create aches and issues elsewhere.

For instance, back problems can worsen strain and pressure on the knees.

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That’s why Simeonovski recommends the open book exercise for patients who have knee pain and spend lots of time sitting. It doesn’t directly involve the knees but can improve overall mobility.

Lie on a mat or the floor with your knees and hips bent at 90 degrees and your arms extended in front of you. Slowly rotate the top arm up and across your body as far as you comfortably can, gently twisting your spine. Return to the starting position and repeat, being sure to perform the exercise on both sides.

You can also do a similar rotation from a half-kneeling position.

Take breaks for movement throughout the day

The key to strengthening and protecting your joints is consistency, especially if you sit all day, according to Simeonovski.

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Find opportunities to get up and move around at regular intervals, setting an alarm if needed to remind yourself to take a stretch break, go for a short walk, or otherwise give your body a rest from repetition.

“Staying in one position is a problem long-term,” he said.

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Forget the gym—all you need are two dumbbells and five moves to build muscle all over at home

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Forget the gym—all you need are two dumbbells and five moves to build muscle all over at home

Many of us struggle to find the time to make it to the gym, but if you buy a pair of dumbbells for your home, you can squeeze in effective full-body strength workouts in as little as 20 minutes.

This workout from personal trainer Rachael Sacerdoti jumped out at me as a great routine for time-poor exercisers, so I got in touch to find out more about the workout and each of the moves.

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How HRV, a popular smartwatch stat, can help maximise your workout

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How HRV, a popular smartwatch stat, can help maximise your workout

As the popularity of smartwatches, also called wearables, increases, so too does the amount of data users can access about their health.

Statistics like resting heart rate, V02 max (maximal oxygen consumption) and heart rate variability (HRV) provide valuable insight into your fitness levels.

But not all measurements are created equal.

While HRV has long been used by elite athletes to dictate their training schedule, it has become a “buzzword” among the broader community.

Matthew Ahmadi, deputy director of the University of Sydney’s Mackenzie Wearables Hub, says HRV has been around for more than 20 years in the competitive sports environment.

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“Over the past 10 years or so, it has really picked up among the general population, mainly due to increases in the use of wearables,” Dr Ahmadi says.

HRV has long been used in the competitive sports environment. (Getty Images: Sportsfile/Sam Barnes)

WHOOP, a leading wearable brand and official partner of the Women’s Tennis Association, has been collecting data on the most consistent factors that boost or harm your HRV.

Global statistics from 2024 show that getting quality sleep, consuming caffeine and having a consistent wake time are most likely to improve your HRV, while consuming alcohol, being sick and highly stressed will see your numbers crash.

So just what does HRV measure, and how might you use it to maximise your workouts?

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HRV indicates how ‘balanced’ your autonomic nervous system is

Dr Ahmadi explains that HRV measures the “variation between heartbeats”.

The heart does not beat consistently (like a metronome or clock).

A close up shot of a man with dark hair and beard wearing glasses.

Dr Ahmadi explains that a high HRV indicates that your autonomic nervous system is in “balance”. (Supplied: Matthew Ahmadi)

So, while your heart might be beating at 80 beats per minute, there will be longer or shorter gaps between each heartbeat.

How variable these gaps are determines your HRV, with a higher number indicating greater variability.

A high number is ideal, and an indication that the body is in homeostasis (or balanced), Dr Ahmadi says.

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This is because HRV is a window into the autonomic nervous system.

The autonomic nervous system consists of two main divisions: the parasympathetic and sympathetic nervous systems.

In simplistic terms, the parasympathetic nervous system is responsible for ‘rest and digest’ processes, while the sympathetic nervous system is responsible for ‘fight or flight’ responses.

Ideally, Dr Ahmadi says, the two are in balance, meaning the body is equally responsive to both inputs.

“The more fit someone is, the more their body is able to adapt to different stressors and therefore recover better,” he says.

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A woman wearing a grey singlet has her hand on the side of her head, revealing a pink smart watch.

Your HRV score is best understood as a window into the automatic nervous system. (Supplied: WHOOP)

But if your HRV is low, it indicates that one branch of the autonomic nervous system is dominating:

“It generally means your sympathetic system is dominant, so your body is on high alert.”

HRV indicates how ‘ready’ you are to exercise

When your HRV is measured is also critical to its interpretation.

Measuring it before you go to bed will tell you how well the body has recovered from the current day’s activities or stressors, Dr Ahmadi says.

“[Measuring HRV] right after you wake up will give you a good indication of what your body is prepared to handle over the coming day,” he adds.

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A woman is asleep on grey bed sheets, with a grey smart watch clearly visible.

The time of day your HRV is read determines how it should be interpreted. (Supplied: WHOOP)

This is the key reason HRV offers an advantage over other measures of fitness.

Not only does a higher HRV indicate a higher level of fitness, it can also be used to dictate what level of intensity you should take on in your current day’s exercise regime.

“In the sport science world, we think of HRV as a proxy for ‘readiness’ [to train],” Kristen Holmes, WHOOP’s principal scientist, says.

A woman with long brown hair wears a cream suit jacket and blue smart watch.

Kristen Holmes is WHOOP’s Global Head of Human Performance. (Supplied: Kristen Holmes)

Higher HRV yields more capacity to train, whereas low HRV means less robustness and less capacity to train.

WHOOP uses HRV to determine its users’ daily “recovery” scores, grading them as being in the green, yellow or red.

On green days, WHOOP encourages users to go “all out”, while on a red day, it recommends “active recovery” activities like meditation, light walking or yoga.

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Many elite athletes similarly use HRV to adapt their exercise regimes, with research showing those who do so achieve better performance outcomes.

Three smartphones, one displaying a partial red circle around 30%, a 2/3 circle with 66%, an almost complete green circle, 96%

Whoop uses HRV to determine “recovery scores”. (Supplied: WHOOP)

Factors that improve or decrease HRV

WHOOP also collects data on the most common positive and negative influences on HRV.

Positive factors include being well-hydrated, following a healthy diet, getting quality sleep and keeping consistent sleep and wake times.

“That’s what makes it both a great measure and really frustrating,” Dr Holmes says.

“It’s hard sometimes to pinpoint exactly what isn’t allowing me to respond and adapt to external stressors in a functional way.”

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There are, however, consistent factors that lower HRV, with the top being the consumption of alcohol.

In fact, Dr Holmes says alcohol is such an “HRV crusher” that 89 per cent of people who use the platform report decreasing alcohol consumption in the long term.

Four wine glasses cheers in dim light.

Across the board, alcohol consumption has been found to lower HRV. (Getty Images: Gregory Lee)

“That’s because people can directly see the performance cost from their behaviours,” Holmes says.

“Your coach can tell you, ‘Hey, alcohol is really bad for your performance’, but until you see directly how it affects your HRV, you’re like … wow, I’m a lesser version of myself today. It’s sobering.”

  ‘Boosts’ HRV ‘Harms’ HRV
1. Sleep quality and duration Alcohol
2. Caffeine Fever
3. Consistent wake-up time Sleep at altitude
4. Consistent bed time High stress zone
5. Daylight eating Sickness
Source: WHOOP 2024 Year in Review user data

But you should avoid comparing your HRV scores to others’.

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Generally, the older you get, the lower your HRV will be, while women also tend to have a lower HRV on average.

If you want to improve your HRV, both Dr Ahmadi and Dr Holmes instead advise taking a baseline level and judging any changes relative to your own scores.

An elderly woman with goggles and a swim cap looks and touches her smart watch on the edge of a swimming pool

Generally, it isn’t useful to compare your HRV score to others’. (Getty Images: Thomas Barwick)

Don’t panic if your HRV is low

It’s also important to note that a low HRV is not always bad.

As one example, Dr Ahmadi says that you should expect to see a drop-off in your HRV if you are beginning a new exercise program, especially if you were previously sedentary.

“The first few weeks, you’re likely to see a big decrease in your HRV on a daily basis,” he says.

“But ideally, if the program is working the way it should be, you should start to see your HRV increase over the coming weeks and months, and then taper off as your body adapts to the current program’s load.”

Once your HRV starts to stabilise, it’s a good indication that you are ready to “progress” your program.

But if you don’t see an improvement in your HRV, it’s likely you need to take your foot off the pedal.

“If you see a big drop-off, then it’s a good idea to not push as hard the following day, because your body is giving you signs that it needs time to recover,” he says.

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“As you settle into a new training regime, your body will adapt and you’ll be able to handle higher stress and workout loads closer together.”

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Amazon's Big Spring Sale On Exercise Gear

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Amazon's Big Spring Sale On Exercise Gear

Spring Outdoors With
Workout Swag From Amazon’s
Big Spring Sales Event!

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