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  2. Fitness (biology) - Wikipedia

    en.wikipedia.org/wiki/Fitness_(biology)

    Fitness (often denoted or ω in population genetics models) is a quantitative representation of individual reproductive success. It is also equal to the average contribution to the gene pool of the next generation, made by the same individuals of the specified genotype or phenotype. Fitness can be defined either with respect to a genotype or to ...

  3. Survival of the fittest - Wikipedia

    en.wikipedia.org/wiki/Survival_of_the_fittest

    Herbert Spencer coined the phrase "survival of the fittest". " Survival of the fittest " [1] is a phrase that originated from Darwinian evolutionary theory as a way of describing the mechanism of natural selection. The biological concept of fitness is defined as reproductive success. In Darwinian terms, the phrase is best understood as " [s ...

  4. Physical fitness - Wikipedia

    en.wikipedia.org/wiki/Physical_fitness

    Physical fitness is a state of health and well-being and, more specifically, the ability to perform aspects of sports, occupations, and daily activities. Physical fitness is generally achieved through proper nutrition, [1] moderate-vigorous physical exercise, [2] and sufficient rest along with a formal recovery plan. [3]

  5. What Are the 5 Health-Related Components of Physical Fitness?

    www.healthline.com/health/fitness/health-related...

    Flexibility: the ability to move muscles and joints through a full range of motion. Body composition: your body’s ratio of fat mass to fat-free mass like muscle and bone. Summary. The five ...

  6. The Top 10 Benefits of Regular Exercise - Healthline

    www.healthline.com/nutrition/10-benefits-of-exercise

    Here are the top 10 ways regular exercise benefits your body and brain. 1. Exercise can make you feel happier. Exercise has been shown to improve your mood and decrease feelings of depression ...

  7. Kinesiology - Wikipedia

    en.wikipedia.org/wiki/Kinesiology

    A series of images that represent research (left) and practice (right) in the field of academic kinesiology. Kinesiology (from Ancient Greek κίνησις (kínēsis) 'movement', and -λογία -logía 'study of') is the scientific study of human body movement. Kinesiology addresses physiological, anatomical, biomechanical, pathological ...

  8. Muscular Hypertrophy and Your Workout - Healthline

    www.healthline.com/health/muscular-hypertrophy

    Muscular hypertrophy can be achieved through weightlifting at the gym. But you need to continuously break down and challenge muscles in order to see growth. A protein-rich diet is also important ...

  9. Adaptation - Wikipedia

    en.wikipedia.org/wiki/Adaptation

    Adaptation is related to biological fitness, which governs the rate of evolution as measured by change in allele frequencies. Often, two or more species co-adapt and co-evolve as they develop adaptations that interlock with those of the other species, such as with flowering plants and pollinating insects .