Fitness
Lunges, squats and holds for stronger tendons and ligaments
UC Davis Health molecular exercise physiologist Keith Baar specializes in sports medicine. He studies the effects of exercise on bone, muscle and tendon health.
In this Q&A, he discusses how intensive exercising after injury or when overweight can cause damage to ligaments and tendons. He also talks about the importance of integrating isometric or static exercises into our fitness routines.
Baar is a professor in the Departments of Neurobiology, Physiology and Behavior and Physiology and Membrane Biology.
Many people who are overweight may find it hard to start exercising. Why is this, according to your research?
People who have type 2 diabetes, and in many cases are overweight or obese, have metabolic problems. Society always says that if these people just ate better and exercised more, they would be fine. But data from Denmark shows that if they aggressively start exercising, they will actually rupture tendons. In fact, they are three times more likely to develop tendon problems if they do this, than if they were to decrease their weight slowly and then gradually increase their activity. Our research is starting to explain why.
People with kidney disease, are older, on bad diets, or are overweight or obese make less collagen. Yet, we’re telling them all to go out and exercise more. But that is putting them at a pretty big risk for catastrophic injuries to their tendons. If they do get a serious tendon or ligament injury, this increases their risk for heart attacks and further metabolic diseases.
What is a safe way for people recovering from injuries or who are overweight to exercise?
Classically, most people think about running, walking and rhythmic exercises that are associated with impact forces on the ground. Those impact forces are basically absorbed by our tendons, cartilage and bones. If we go out and start running when we are not in the best shape, there is a greater risk that we will cause injuries to these tissues, even if we are not overweight.
For example, our data have shown that when a person who has had a leg in a cast for a while goes back to exercising and normal activities, the leg that was not in a cast gets stronger and better, and the previously casted leg does not improve nearly as much — about threefold less. We think that is a really big issue for how people recover after any injury.
If we’re going to start exercising, we can’t only go out and run or walk. Instead, our research shows that when we add long isometric holds, the tissues, like our tendons and muscles, improve better. Adding these exercises helps build muscular strength and endurance.
What are isometric exercises?
Isometric or static exercises are moves that involve contracting or tightening the muscles without changing their length. They are positions that hold the body or limbs in a fixed position for a period of time. They include planks, squats, lunges and many more positions.
We hear about walking 10,000 steps a day. Is there a golden number for how many times per week to do isometric exercises?
It is totally fine for people to go out and get their steps. When they finish their steps, we would have them do a couple of simple movements, like holding a lunge for 10-30 seconds. To do this, they simply put one foot in front of the other. Then, they bend down so their back knee is just above the ground. That’s a great movement because it will strengthen the Achilles tendon on one leg and the patellar and the quadriceps on the other leg. We would do that kind of exercise at the end of our walk or run or whatever best fits into the person’s routine.
And then you do two or three different moves like that. You hold them for 10-30 seconds each. That’s all you need to do to keep those tissues healthier in the long run.
In another study, we worked with a professional rock climber who helped us get over 500 people to participate in training using a hangboard. A hangboard or a fingerboard is a training tool to increase hand and finger strength. The study showed that when they do these 10-second isometric holds, where people put only part of their body weight on their fingers, their tendons get this long low-intensity isometric that actually increases the strength of those tendons as much as if they were to lift or hold as heavy a weight as possible.
What you want to do is add in those low-intensity, longer-hold isometrics (especially for the legs) to your walking, running or pickleball exercise. The two types of exercise have an additive effect that keeps you healthy and actually makes you stronger.
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Fitness
Jogging 101: Benefits for Your Body and Mind
Walking and running share a number of benefits — but what about that sweet middle ground between the two?
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“Jogging is about creating a steady pace,” says sports and exercise medicine specialist Leonardo Oliveira, MD. “Instead of focusing on speed, you’re focused more on endurance with good, quality steps.”
Before your next jaunt, Dr. Oliveira shares the many benefits of jogging and how it can help improve your overall health and wellness.
9 benefits of jogging
Unlike running, where you’re focused on targeting different heart rate zones, jogging involves keeping a more stable and persistent pace. If you’re jogging at a moderate intensity, for example, your target heart rate will usually fall into zone 2, at 60% to 70% of your max heart rate.
“When you’re jogging, you should be able to carry on a conversation as you breathe through your nose,” says Dr. Oliveira. “If you’re doing just 15 minutes of jogging three times a week, you’re already going to notice the benefits.”
Here’s how you can benefit from jogging.
1. Reduces stress
Jogging, like other exercises, can help decrease your stress levels. As an aerobic exercise, it helps release endorphins, which can boost your mood and create feelings of euphoria or satisfaction. Not only does it provide an outlet for pent-up energy, but jogging outside also allows you to spend more time in nature, which provides even more mental health benefits.
“Research shows exercise can be as effective as medication when treating depression because of its wide-ranging benefits,” says Dr. Oliveira.
2. Burns calories
Jogging is a full-body exercise that offers a higher calorie burn than some other aerobic exercises. According to the widely used Compendium of Physical Activities, jogging burns about 7.5 calories per kilogram of body weight each hour. That means you can burn about:
- 8 times as many calories as sitting quietly
- 4 times as many calories as walking
- 2.6 times as many calories as stationary cycling
“Jogging will burn more calories in a shorter period of time than cycling, especially if you’re not used to exercising,” reports Dr. Oliveira.
3. Improves insulin resistance and boosts metabolism
Insulin resistance is one of the biggest barriers to having a healthy metabolism. Insulin helps your body break down glucose for energy. But if your body can’t do that, your metabolism slows down, leading to:
- Lower energy levels
- Weight gain
- An inability to burn fat
“Exercising at higher intensities helps increase metabolism and insulin resistance,” says Dr. Oliveira. “But researchers have also found that even lower-intensity exercises, like jogging, for longer periods of time can have the same effect.”
4. Strengthens your heart
Jogging also has positive impacts on your heart and its ability to pump blood to the rest of your body. That’s because it contributes to hypertrophy, or the strengthening of your heart’s muscle tissues.
“As you develop endurance, the amount of blood in one pump increases,” explains Dr. Oliveira. “When your heart gets stronger, it contracts more efficiently, which decreases your resting heart rate.”
5. Improves lung expansion and gas exchange
The more you work on building endurance and stamina, the more likely it is that you’ll improve your overall ability to breathe — both at rest and while jogging.
“Consistent aerobic exercise helps your lungs get stronger and more efficient,” says Dr. Oliveira. “Over time, you won’t need to breathe as often because each breath brings in more oxygen than before.”
6. Activates muscles
Jogging activates major muscle groups, including your:
- Quads
- Hamstrings
- Glutes
- Core
- Back
“Strength training is a good complement to jogging because it can help strengthen all the areas of your body,” says Dr. Oliveira. “This can help you handle longer distances.”
7. Reduces stiffness
“Jogging is one of those activities where once you get going, you start to feel better,” notes Dr. Oliveira. “It’s an exercise that helps warm up your muscles and lubricate your joints, which can help with the overall sense of stiffness that comes with age.”
That said, jogging is still a high-impact exercise because it forces you to bear down weight as your feet hit the pavement. Consider working with a physical therapist or athletic trainer to reduce the risk of further injury if you:
- Have arthritis
- Have an active injury
- Had previous sprains or fractures in your lower body
8. Improves endurance
“The more you jog, the more you’ll increase your functional aerobic capacity,” says Dr. Oliveira. “Someone who jogs regularly will have better physical fitness that will help them last longer on a bike or a walk than someone who’s just getting started.”
Your ability to breathe and move also extends to other daily activities that demand cardiovascular strength and endurance, like climbing stairs.
9. Provides better quality of life and other mental health benefits
Research shows that any amount of jogging — even just once a week — can improve your quality of life and lower your risk of dying from cancer and cardiovascular-related issues.
“Jogging is a great form of exercise, but it’s not the only one,” notes Dr. Oliveira. “The most important thing is to work on being healthy and strong. And for a lot of people, if you’re looking to advance your physical fitness, jogging is a good place to start.”
Fitness
Michelle Yeoh, 63, uses ‘exercise snacking’ to stay fit – here’s why mini workouts have big benefits
As an increasing number of scientific studies are published citing the benefits of ‘exercise snacking’ – short bouts of physical activity sprinkled throughout the day – one celeb has sworn by the practise for several years already. The woman in question? Acting great Michelle Yeoh. Below, we look at the power of mini workouts and why the Oscar-winner’s go-to move is so effective.
Stretching
Michelle revealed to Vogue that she incorporates fitness into her morning routine in a way that’s incredibly time-efficient. ‘Remember, you can do your kicks, you can do your stretches, while you are also waking up,’ she said. Indeed, research has shown that regular stretching can improve flexibility, reduce muscle stiffness and improve blood circulation – all crucial elements of healthy ageing.
And you don’t have to stretch for very long, either. One study found that while static stretching improves flexibility in adults, there was no additional benefit observed beyond four minutes per session or 10 minutes per week. So, it seems that a short stretching sesh (you don’t even have to get out of bed to do it) like Michelle’s is a very worthwhile habit to adopt.
Squats
In her Vogue interview, Michelle also shared that she performs squats most days while doing her skincare routine. Virtually every expert and trainer we speak to here at Women’s Health lists squats as one of the most important moves for women to do as they age. A compound exercise (when multiple muscle groups are used), squats also mirror the vital movement pattern of sitting down and getting back up again.
Numerous studies have highlighted the benefits of this simple exercise for posture, strength and power, and one paper even found that intermittent squat exercises performed during prolonged periods of sitting may boost brain power. Whether you’re squatting mid-moisturise like Michelle or while you’re waiting for the kettle to boil, the science suggests sprinkling squats into your day can be really quite powerful.
The power of habit stacking
As Michelle’s routine shows, adopting a sustainable exercise routine often relies on habit stacking – adding a movement to something you already do every day, like doing your skincare or brushing your teeth.
BRB, we’re just off to do our daily squats.
After years living with endometriosis and undergoing seven rounds of IVF, Radio 4 presenter Emma Barnett turned to training with PT Frankie Holah to rebuild strength and a more positive relationship with her body. Download the Women’s Health UK app to access Frankie’s full training plan.
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Hannah Bradfield is a Senior Health and Fitness Writer for Women’s Health UK. An NCTJ-accredited journalist, Hannah graduated from Loughborough University with a BA in English and Sport Science and an MA in Media and Cultural Analysis. She has been covering sports, health and fitness for the last five years and has created content for outlets including BBC Sport, BBC Sounds, Runner’s World and Stylist. She especially enjoys interviewing those working within the community to improve access to sport, exercise and wellness. Hannah is a 2024 John Schofield Trust Fellow and was also named a 2022 Rising Star in Journalism by The Printing Charity. A keen runner, Hannah was firmly a sprinter growing up (also dabbling in long jump) but has since transitioned to longer-distance running. While 10K is her favoured race distance, she loves running or volunteering at parkrun every Saturday, followed, of course, by pastries. She’s always looking for fun new runs and races to do and brunch spots to try.
Fitness
I Have a Master’s in Exercise Science. These Are the Only 6 Strength Moves You Need To Build Muscle
Strength training doesn’t have to be complicated. Fitness content on social media may leave you thinking that you should only work out at specific times, use certain weights and incorporate an ever-rotating assortment of moves — but to reap the full benefits of building muscle, you can actually keep things surprisingly simple.
The Physical Activity Guidelines for Americans recommends at least two days of resistance training, aka strength training, for adults each week as part of their workout routines. And those two days need only include six moves, Adrian Chavez, Ph.D., nutrition and health coach, tells TODAY.com.
It’s often the most advanced fitness routines that generate the most buzz online. And while having lots of different strength moves in your arsenal can stave off boredom at the gym, it’s not usually necessary, Chavez explains. Sticking to the basics and staying consistent will give you the most bang for your buck, he adds.
The Most Efficient Strength-Training Moves
The six moves Chavez says are most efficient for improving health and body composition are:
“Those movements cover all of the (major) muscle groups of the body,” Chavez says. “I wouldn’t necessarily say these are the only six movements that you need, but those are the ones that are going to work the largest amount of muscle in each movement.”
Building muscle through strength training can boost longevity, a mood, bone density and more.
It’s also a key factor to improving metabolic health, Chavez points out. Muscle burns calories, even while you’re at rest. So, the more muscle you have, the more calories you’ll burn.
If you’re after efficient results, focusing on these six movements that target the body’s largest muscle groups will get you there since these muscles require the most energy to function.
Which Muscles Does Each Move Target?
The overhead press primarily targets the shoulders, says Chavez. It also works the triceps, the trapezius muscles in your upper back and the core.
Perform a chest press when you’re looking to strengthen your pectoralis muscles, the two largest in the chest. These muscles are responsible for lifting, rotating and pushing.
By including a back row in your strength training routine, you’ll be working your upper back and biceps, says Chavez.
The overhead pull-down or pull-up will strengthen your latissimus dorsi muscles (lats), which extend from the lower back to the armpit. Chavez says you’ll be engaging your biceps, too.
Squats work the quadricep muscles (quads) in the thighs, hamstrings and glutes, says Chavez. They’ll also engage your core, since squats require stability.
Include deadlifts in your routine to challenge your quad muscles in the thigh, hamstrings, glutes and lower back, says Chavez. You can choose between the regular deadlift and the Romanian deadlift, or incorporate both into your workout.
Benefits of a Consistent Strength Training Routine
Studies show that consistency when strength training, rather than the complexity of your workout plan, is what makes the biggest difference for health. Any kind of resistance training compared to none at all improve sstrength, muscle function and endurance regardless of intensity, equipment type and variation, research shows.
These six moves are not the only effective workouts for improving strength and altering body composition, but if you were to stick only to these six, you’d be in great shape, he explains.
Regular strength training will not only improve your physique but also your quality of life. “When you do a deadlift, that’s like picking up your kid,” Chavez says, comparing pull-ups to playing with them on the monkey bars.
“Carrying groceries, moving furniture, all of those things become a lot easier when you build some strength. And … these six movements cover all of the major muscle groups, so that will translate into really changing the way that you experience life,” he adds.
How to Add Variation
Once you’ve committed to a training plan you’ll use again and again, you may also want to mix things up, Chavez says.
To avoid boredom or to add an additional challenge, most of the six moves have variations.
For example, narrow-stance squats isolate the quads. Or you can change the grip during bicep curls to also target the forearms. “Learning slight variations to these primary movements is how you really build out a good routine,” he says.
An ideal workout program includes strength training at least two times a week and additional sessions with a type of cardio you enjoy. Chavez plays basketball, runs and rides his bike in between strength training sessions. He also suggests walking, swimming or rowing.
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