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The Big 3-4: Understanding the Physical Changes that Occur after 34

 



The Big 3-4: Understanding the Physical Changes that Occur after 34
As we age, our bodies undergo a range of changes that can affect our physical function, mobility, and overall health. While it's common to associate aging with decline, many of the physical changes that occur after 34 can be mitigated with the right lifestyle choices. In this post, we'll explore the physical changes that occur after 34, including loss of muscle mass and strength, decreased bone density, changes in body composition, and declines in cardiovascular function.
Loss of Muscle Mass and Strength: Sarcopenia
Sarcopenia, the age-related loss of muscle mass and strength, begins as early as our 30s and can lead to decreased mobility and functional decline. According to the National Institute on Aging, sarcopenia affects approximately 30% of adults over 60, with significant consequences for health and quality of life.
Sarcopenia is characterized by:
  • Reduced muscle mass: Age-related muscle loss can lead to decreased muscle strength, power, and endurance.
  • Decreased muscle fiber size: The size and number of muscle fibers decline with age, contributing to muscle weakness.
  • Changes in muscle fiber type: The proportion of fast-twitch muscle fibers, responsible for explosive movements, decreases with age, while slow-twitch fibers, responsible for endurance activities, increase.
The consequences of sarcopenia are far-reaching, including:
  • Decreased mobility: Reduced muscle strength and power can make everyday activities, such as walking and climbing stairs, more challenging.
  • Increased risk of falls: Muscle weakness can increase the risk of falls and injuries.
  • Metabolic changes: Sarcopenia can contribute to insulin resistance, metabolic syndrome, and type 2 diabetes.
Decreased Bone Density: Osteoporosis
Osteoporosis, a condition characterized by brittle and porous bones, can increase our risk of fractures and osteoporotic compression fractures. According to the National Osteoporosis Foundation, approximately 10 million adults in the United States have osteoporosis, with an additional 44 million at risk .
Osteoporosis is characterized by:
  • Reduced bone density: Age-related bone loss can lead to decreased bone strength and increased risk of fractures.
  • Changes in bone architecture: The structure and organization of bone tissue decline with age, contributing to bone weakness.
The consequences of osteoporosis are significant, including:
  • Increased risk of fractures: Osteoporotic fractures can lead to chronic pain, disability, and decreased quality of life.
  • Spinal deformity: Compression fractures can lead to spinal deformity and decreased mobility.
Changes in Body Composition
Shifts in body fat distribution, including increased visceral fat, can increase our risk of metabolic disorders and chronic diseases. According to the National Institute of Diabetes and Digestive and Kidney Diseases, approximately 70% of adults in the United States are overweight or obese, with significant consequences for health.
Changes in body composition are characterized by:
  • Increased visceral fat: Age-related changes in body fat distribution can lead to increased visceral fat, a risk factor for metabolic disorders.
  • Decreased muscle mass: Sarcopenia can contribute to decreased muscle mass and increased body fat percentage.
The consequences of changes in body composition are far-reaching, including:
  • Increased risk of metabolic disorders: Visceral fat is a risk factor for insulin resistance, metabolic syndrome, and type 2 diabetes.
  • Cardiovascular disease: Excess body fat can increase the risk of cardiovascular disease and stroke.
Declines in Cardiovascular Function
Decreases in cardiovascular function, including reduced aerobic capacity and increased blood pressure, can increase our risk of cardiovascular disease. According to the American Heart Association, approximately 100 million adults in the United States have high blood pressure, with significant consequences for health .
Declines in cardiovascular function are characterized by:
  • Reduced aerobic capacity: Age-related declines in cardiovascular function can lead to decreased endurance and increased fatigue.
  • Increased blood pressure: Hypertension can increase the risk of cardiovascular disease, stroke, and kidney disease.
The consequences of declines in cardiovascular function are significant, including:
  • Increased risk of cardiovascular disease: Decreased cardiovascular function can increase the risk of heart attacks, strokes, and cardiovascular-related mortality.
  • Decreased mobility: Reduced aerobic capacity can make everyday activities more challenging.
The Role of Martial Arts in Mitigating Physical Changes
While the physical changes that occur after 34 can be significant, many can be mitigated with the right lifestyle choices. Martial arts, in particular, offer a unique combination of physical and cognitive benefits that can aid in healthy aging.
In the next post, we'll explore the science behind movement and longevity, examining how martial arts can help maintain muscle mass and strength, bone density, and cardiovascular function, while improving cognitive function and reducing our risk of chronic diseases.
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