Introduction
Are you looking to improve your bone density and overall wellness? Look no further than the power of exercise. Exercise has long been touted for its many health benefits, from boosting cardiovascular health to increased muscular strength and reducing stress. But did you know that it can also significantly impact your bone strength and density?
This article will explore the connection between correct Exercise and bone density, uncovering how physical activity can help build stronger bones and promote better overall health. We will delve into the science behind how exercise stimulates bone growth and discuss the exercises most effective for improving bone density.
Whether you’re a fitness enthusiast or looking to incorporate more movement into your daily routine, this article will provide valuable insights and practical tips for managing your bone health.
The importance of bone health
Our bones play a vital role in our overall health and well-being. They provide the structural framework that supports our bodies, protects our vital organs, and facilitates movement. Strong, dense bones are essential for maintaining physical function, preventing injuries, and reducing the risk of osteoporosis.
Improved metabolic health
Healthy bones also contribute to our metabolic health by serving as a reservoir for essential minerals like calcium and phosphorus. When these minerals are depleted, the body can draw from the bones, which can lead to a weakening of the skeletal structure over time [1]. Maintaining optimal bone health is therefore crucial for maintaining overall health and reducing the risk of age-related bone diseases [2], [3].
Prevent pain, fractures, and disability
Neglecting our bone health can have serious consequences, including an increased risk of fractures, chronic pain, and even disability. By prioritizing bone health through lifestyle choices like proper nutrition and regular exercise, we can take proactive steps to safeguard our long-term well-being and enjoy a higher quality of life as we age. Understanding the importance of bone health is the first step in taking charge of our physical vitality and longevity.
Understanding bone density
Bone density, also known as bone mineral density (BMD), refers to the amount of bone mineral (primarily calcium and phosphorus) present in a given volume of bone. It is a key indicator of bone health and strength, as higher bone density is associated with a lower risk of fractures and osteoporosis [4].
Measuring bone density
Bone density is typically measured using a dual-energy X-ray absorptiometry (DXA) scan, which provides a detailed assessment of the bone mineral content in specific body areas, such as the spine, hips, and forearms. The results of a DXA scan are then compared to a reference population to determine an individual’s bone density status, typically classified as normal, low (osteopenia), or low enough to be considered osteoporosis.
Bone density is an essential marker of long-term health
Understanding your bone density is crucial for monitoring your bone health and identifying potential issues early on. Low bone density can result from various factors, including age, genetics, hormonal imbalances, and lifestyle choices. By regularly monitoring your bone density, you can work with your healthcare provider to develop a personalized plan to maintain or improve your bone health, ultimately reducing your risk of fractures and other bone-related complications.
Factors that affect bone density
Various factors, both within our control and beyond, influence bone density. Understanding these factors is essential for developing strategies to maintain and improve bone health.
Aging
One of the primary factors that affects bone density is age. For both men and women, bone loss accelerates after age 50 due to a gradual decrease in the body’s ability to replace old bone with new, dense bone.
Genetics
Genetics also plays a significant role in bone density. Individuals with a family history of osteoporosis or low bone density are at a higher risk of developing these conditions themselves.
Medical conditions
Additionally, certain medical conditions, such as hormonal imbalances, inflammatory disorders, and malabsorption syndromes, can negatively impact bone health.
Lifestyle
Lifestyle factors, such as diet, physical activity, and substance use, also profoundly impact bone density. A diet lacking essential nutrients like calcium, vitamin D, and protein can contribute to bone loss. At the same time, a sedentary lifestyle and smoking or excessive alcohol consumption can further exacerbate the problem[5]. Conversely, weight-bearing exercise and a balanced, nutrient-rich diet can help support strong, dense bones [6].
The role of physical activity in maintaining bone density
Regular physical activity is one of the most effective ways to maintain and improve bone density. Exercise, particularly weight-bearing and resistance-based activities, stimulates the body to build and strengthen bones, increasing bone mineral density.
Bone remodeling
The mechanism behind bone strengthening is known as “bone remodeling” [7]. When we engage in physical activity, the stress on our bones triggers a response from specialized cells called osteoblasts and osteoclasts. Osteoblasts build new bone, while osteoclasts break down old, weakened bone.
Exercise stimulates the activity of osteoblasts
Exercise helps tip the balance in favor of osteoblasts, leading to a net increase in bone density over time. This mechanism is triggered in two ways: through the direct impact on the bones (mechanical loading) and through muscular contractions that exert force on the bones.
Best activities for increasing bone density
The type of physical activity you choose can significantly impact the effectiveness of this bone-building process. Weight-bearing exercises, such as walking, running, and strength training, are particularly beneficial for bone health because they directly load the bones, stimulating the osteoblasts to work harder. In contrast, while good for cardiovascular health, non-weight-bearing exercises, like swimming and cycling, do not provide the same bone-strengthening benefits.
Correct Exercise stimulates bone density via two pathways
However, even amongst activities that promote bone density, there are better and worse examples. For best efficiency, physical activity should trigger the positive mechanisms through as many channels as possible, i.e., mechanical tensions and intense muscular contraction.
Correct Exercise avoids stressing the joints and ligaments
However, one should also avoid stressing other structures of the skeleton, especially the joints. Therefore, the best bone-density-building physical activity creates a high level of muscular tension in combination with heavy resistance while also avoiding strenuous and dangerous ranges of motion. Extreme ranges of motion put damaging pressure on the joints and ligaments, leading to aggravation and injuries. For that, the most fitting type of activity is correct Exercise [8], [9], [10]. By this, we mean an activity primarily focused on establishing a deep level of muscular fatigue [9]. Correct Exercise will efficiently, safely, and intensely fatigue your muscles, load your bones, and even challenge your cardiovascular fitness simultaneously [6], [11], [12].
Other lifestyle factors that contribute to bone health
While exercise is critical to maintaining bone health, it’s important to consider other lifestyle factors impacting bone density and overall skeletal well-being.
An animal-based diet contains essential elements
Diet plays a crucial role in supporting bone health. A diet rich in calcium, vitamin D, protein, and other essential nutrients, such as magnesium, phosphorus, and vitamin K, can help promote the formation and maintenance of strong, dense bones. Incorporating dairy and meat is especially beneficial as they provide all the mentioned nutrients in a better bioavailable form compared to plants. Animal-based proteins also contain collagen, one of the main building blocks of bones and joints [13]. Finally, animal proteins are also devoid of antinutrients, such as oxalates and phytates, that prevent calcium absorption[14], [15], [16].
Sugar intake can damage collagen proteins
Another important dietary aspect is sugar intake, which is the primary driver of advanced glycation end products (AGEs). High blood sugar levels accelerate the formation of AGEs, which damage proteins such as collagen, leading to issues like joint stiffness, skin aging, and an increased risk of chronic diseases like diabetes and cardiovascular conditions. Reducing sugar intake is crucial for minimizing AGE-related damage and maintaining overall health. As an interesting side note, fructose promotes AGE formation at a rate 7 to 10 times higher than glucose, making high-fructose diets particularly harmful.
Lower body weight reduces stress on the joints
Maintaining a healthy body weight is also important for bone density. Being underweight can decrease bone mass, while being overweight can put additional stress on the bones, increasing the risk of fractures. Achieving and maintaining a balanced, nutrient-rich diet and engaging in regular physical activity can help you maintain a healthy weight and support your bone health.
Smoking and alcohol can negatively impact bone density
In addition to diet and exercise, lifestyle factors such as smoking, excessive alcohol consumption, and certain medications can also negatively impact bone density. Quitting smoking, limiting alcohol intake, and discussing any concerns with your healthcare provider can help mitigate these risks and support your overall bone health.
The connection between bone density and overall wellness
The health of our bones is closely linked to our overall well-being and quality of life. Strong, dense bones reduce the risk of fractures and other bone-related complications and contribute to various physical and mental health benefits.
Prevent fractures and accidents
Maintaining optimal bone density can help prevent the development of osteoporosis, a condition characterized by a significant loss of bone mass and strength. Osteoporosis can lead to an increased risk of debilitating fractures, particularly in the spine, hips, and wrists, which can result in chronic pain, disability, and a reduced ability to perform daily activities. Prioritizing bone health through exercise and other lifestyle factors can significantly lower your risk of these devastating outcomes [4].
Storage of minerals
Beyond the physical benefits, strong bones also play a vital role in supporting overall metabolic health. As mentioned earlier, bones serve as a reservoir for essential minerals like calcium and phosphorus, crucial for a wide range of bodily functions, from muscle contraction to nerve function. Maintaining healthy bone density can help ensure these minerals are readily available to support your overall well-being.
Tips for incorporating exercise into your daily routine
Incorporating exercise into your daily routine can be a game-changer for your bone health, but finding an approach that works for you and your lifestyle is important. Here are some tips to help you get started:
Focus on strength training
Prioritize weight-bearing and resistance-based exercises: Focus on activities that place a direct load on your bones, such as walking, jogging, strength training, and bodyweight exercises. These types of exercises are the most effective for improving bone density.
Start with the least you can do
Make it a habit: Aim to exercise regularly. Start with one correct Exercise workout consisting of 5 – 6 basic movements [17]. If you feel an urge, have extra time and energy to increase the workout frequency after eight weeks, add another workout. It can be the same as the first one, or you can add new movements, split them by body parts, etc [18].
Add other types of physical activities if desired
Alternatively, instead of an additional workout, you can add another activity, such as hiking, running, climbing, or any other sports you are intrigued by. However, we advise keeping at least one weekly session for correct Exercise, as most health benefits come from that. Other activities are more as a way to enjoy your newly gained strength by being active.
Seek professional guidance for maximum efficiency
Finally, seek guidance from a fitness professional: Consider working with a personal trainer or physical therapist, especially if you have any pre-existing conditions or concerns about your bone health. They can help you develop a safe and effective exercise program. While physical activity is needed, doing it wrong or increasing your injury rate will not bring the desired benefits and can prevent you from being active in the future.
By making exercise a regular part of your lifestyle, you can take proactive steps to build and maintain strong, healthy bones, ultimately supporting your overall well-being and quality of life.
Common misconceptions about exercise and bone health
Despite the well-established benefits of exercise for bone health, some common misconceptions can prevent people from taking advantage of this powerful tool. Addressing these misconceptions is important to help individuals make informed decisions about their bone health.
Any kind of physical activity improves bone density
One common misconception is that only high-impact exercises, such as running and jumping, are effective for improving bone density. While these types of exercises can indeed be beneficial, they are not the only effective options. Weight-bearing exercises, such as strength training, have a more significant impact on bone health, and are even more suitable for individuals with certain physical limitations or concerns. Especially correct Exercise, where the focus is on establishing deep muscular fatigue, as time efficiently and safely simultaneously.
Exercise is only for the young
Another misconception is that exercise is only important for younger individuals and that elderly should perform low-impact physical activities. Exercise remains crucial for maintaining bone density and preventing lifelong osteoporosis. Regular physical activity becomes even more important as we age to offset the natural decline in bone mass. For that reason, it is much more important to include correct Exercise as your long-term health strategy, as it is the safest and most efficient approach to improve and maintain your overal wealth and fitness [11].
Low bone density can not be mitigated
Finally, some believe that exercise is too late if they’ve already been diagnosed with low bone density or osteoporosis. This is a myth. Even those with existing bone health issues can benefit from tailored exercise programs that help slow or even reverse bone loss, reducing the risk of fractures and other complications. Moreover, even if bone density can not be improved, increasing muscle strength alone can already mitigate the side effects of these conditions, as stronger muscles provide better support for weakened bones, improve balance, and decrease the risk of falls.
Conclusion
Your bone health is a crucial component of your overall well-being, and exercise is one of the most powerful tools you have at your disposal to maintain and improve it. By incorporating a variety of weight-bearing and resistance-based activities into your routine, you can stimulate the natural bone remodeling process, leading to stronger, denser bones that will support your physical function and reduce your risk of age-related bone diseases.
Remember, bone health is not just about preventing fractures – it’s about supporting your overall metabolic health, reducing chronic pain, and maintaining your independence as you age. By taking a proactive approach to your bone health, you can enjoy a higher quality of life and feel empowered to take charge of your physical well-being.
References
[1] K. E. Naylor, P. Iqbal, C. Fledelius, R. B. Fraser, and R. Eastell, “The Effect of Pregnancy on Bone Density and Bone Turnover*,” J. Bone Miner. Res., vol. 15, no. 1, pp. 129–137, Jan. 2000, doi: 10.1359/jbmr.2000.15.1.129.
[2] M. J. Mitchell, M. A. Baz, M. N. Fulton, C. F. Lisor, and R. W. Braith, “Resistance training prevents vertebral osteoporosis in lung transplant recipients,” Transplantation, vol. 76, no. 3, p. 557, Aug. 2003, doi: 10.1097/01.TP.0000076471.25132.52.
[3] M. Wilhelm, G. Roskovensky, K. Emery, C. Manno, K. Valek, and C. Cook, “Effect of Resistance Exercises on Function in Older Adults with Osteoporosis or Osteopenia: A Systematic Review,” Physiother. Can., vol. 64, no. 4, pp. 386–394, 2012, doi: 10.3138/ptc.2011-31BH.
[4] K. G. Faulkner, “Bone Matters: Are Density Increases Necessary to Reduce Fracture Risk?,” J. Bone Miner. Res., vol. 15, no. 2, pp. 183–187, Feb. 2000, doi: 10.1359/jbmr.2000.15.2.183.
[5] K. D. Cashman, “Diet, Nutrition, and Bone Health12,” J. Nutr., vol. 137, no. 11, pp. 2507S-2512S, Nov. 2007, doi: 10.1093/jn/137.11.2507S.
[6] S. Knez, “Exercise Progress Part 2: Changes in Body Shape,” BrevisFit. Accessed: Dec. 08, 2021. [Online]. Available: https://brevis-fit.com/exercise-progress-part-2-changes-in-body-shape/
[7] L. J. Raggatt and N. C. Partridge, “Cellular and Molecular Mechanisms of Bone Remodeling *,” J. Biol. Chem., vol. 285, no. 33, pp. 25103–25108, Aug. 2010, doi: 10.1074/jbc.R109.041087.
[8] S. Knez, “Defining Exercise: The Intensity – Safety Quadrant,” BrevisFit. Accessed: May 30, 2021. [Online]. Available: https://brevis-fit.com/the-intensity-safety-quadrant/
[9] S. Knez, “Defining Exercise: Theoretical Concepts,” BrevisFit. Accessed: Apr. 21, 2023. [Online]. Available: https://brevis-fit.com/defining-exercise-theoretical-concepts/
[10] S. Knez, “Weight lifting or Exercise. Which do you do? – BrevisFit.” Accessed: Jan. 17, 2022. [Online]. Available: https://brevis-fit.com/weight-lifting-or-exercise-which-do-you-do/
[11] S. Knez, “Exercise Progress Part 1: Our Guide For Long Term Success – BrevisFit.” Accessed: Dec. 06, 2021. [Online]. Available: https://brevis-fit.com/exercise-progress-p1/
[12] S. Knez, “Exercise progress part 3: Muscular Strength,” BrevisFit. Accessed: Apr. 01, 2022. [Online]. Available: https://brevis-fit.com/exercise-progress-part-3-muscular-strength/
[13] S. Viguet-Carrin, P. Garnero, and P. D. Delmas, “The role of collagen in bone strength,” Osteoporos. Int., vol. 17, no. 3, pp. 319–336, Mar. 2006, doi: 10.1007/s00198-005-2035-9.
[14] E. Frossard, M. Bucher, F. Mächler, A. Mozafar, and R. Hurrell, “Potential for increasing the content and bioavailability of Fe, Zn and Ca in plants for human nutrition,” J. Sci. Food Agric., vol. 80, no. 7, pp. 861–879, 2000, doi: 10.1002/(SICI)1097-0010(20000515)80:7<861::AID-JSFA601>3.0.CO;2-P.
[15] A.-S. Sandberg, “Bioavailability of minerals in legumes,” Br. J. Nutr., vol. 88, no. S3, pp. 281–285, Dec. 2002, doi: 10.1079/BJN/2002718.
[16] B. F. Harland, “Dietary Fibre and Mineral Bioavailability,” Nutr. Res. Rev., vol. 2, no. 1, pp. 133–147, Jan. 1989, doi: 10.1079/NRR19890011.
[17] S. Knez, “Maximize Your Workout Efficiency with Compound Exercises,” BrevisFit. Accessed: Jun. 16, 2024. [Online]. Available: https://brevis-fit.com/maximize-your-workout-efficiency-with-compound-exercises/
[18] S. Knez, “Exercise Frequency – The most adaptive part of our Exercise program,” BrevisFit. Accessed: Jan. 09, 2024. [Online]. Available: https://brevis-fit.com/exercise-frequency/
