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Physical fitness is a general state of health and well-being and, more specifically, the ability to perform aspects of sports or occupations. Physical fitness is generally achieved through correct nutrition,[1] moderate-vigorous physical activity,[2]exercise and rest.[3] It is a set of attributes or characteristics seen in people and which relate to the ability to perform a given set of physical activities.

Before the industrial revolution, fitness was the capacity to carry out the days activities without undue fatigue. However with automation and changes in lifestyles physical fitness is now considered a measure of the body's ability to function efficiently and effectively in work and leisure activities, to be healthy, to resist hypokinetic diseases, and to meet emergency situations.[4]

Fitness is defined as the quality of being suitable to perform a particular task. Around 1950, perhaps consistent with the Industrial Revolution and the treatise of World War II, the term fitness increased in western vernacular by a factor of ten.[5] Modern definition of fitness describe either a person or machine's ability to perform a specific function or a holistic definition of human adaptability to cope with various situations. This has led to an interrelation of human fitness and attractiveness which has mobilized global fitness and fitness equipment industries. Regarding specific function, fitness is attributed to personnel who possess significant aerobic or anaerobic ability, i.e. strength or endurance. A holistic definition of fitness is described by Greg Glassman in the CrossFit journal as an increased work capacity across broad times and modal domains; mastery of several attributes of fitness including strength, endurance, power, speed, balance and coordination and being able to improve the amount of work done in a given time with any of these domains.[6] A well rounded fitness program will improve a person in all aspects of fitness, rather than one, such as only cardio/respiratory endurance or only weight training.

A comprehensive fitness program tailored to an individual typically focuses on one or more specific skills,[7] and on age-[8] or health-related needs such as bone health.[9] Many sources[10] also cite mental, social and emotional health as an important part of overall fitness. This is often presented in textbooks as a triangle made up of three points, which represent physical, emotional, and mental fitness. Physical fitness can also prevent or treat many chronic health conditions brought on by unhealthy lifestyle or aging.[11] Working out can also help some people sleep better and possibly alleviate some mood disorders in certain individuals.[12]

The U.S. Centers for Disease Control and Prevention encourages the adult public, ages 18 to 64, to engage each week in at least one and a quarter hours of vigorous-intensity aerobic activity or two and a half hours of moderate-intensity aerobic activity; that time can be met in any increments.[12]

Developing research has demonstrated that many of the benefits of exercise are mediated through the role of skeletal muscle as an endocrine organ. That is, contracting muscles release multiple substances known as myokines which promote the growth of new tissue, tissue repair, and various anti-inflammatory functions, which in turn reduce the risk of developing various inflammatory diseases.[13]

Specific or task-oriented fitness is a person's ability to perform in a specific activity with a reasonable efficiency: for example, sports or military service. Specific training prepares athletes to perform well in their sports.

Examples are:

In order for physical fitness to benefit the health of an individual, an unknown response in the person called a stimulus will be triggered by the exertion. When exercise is performed with the correct amount of intensity, duration and frequency, a significant amount of improvement can occur. The person may overall feel better but the physical effects on the human body take weeks or months to notice and possibly years for full development. For training purposes, exercise must provide a stress or demand on either a function or tissue. To continue improvements, this demand must eventually increase little over an extended period of time. This sort of exercise training has three basic principles: overload, specificity, and progression. These principles are related to health but also enhancement of physical working capacity.[19]

High Intensity Interval Training consists of repeated, short bursts of exercise, completed at a high level of intensity. These sets of intense activity are followed by a predetermined time of rest or low intensity activity.[20] Studies have shown that exercising at a higher intensity has increased cardiac benefits for humans, compared to when exercising at a low or moderate level.[21] Research into the benefits of HIIT have revealed that it can be very successful for reducing fat, especially around the abdominal region. Furthermore when compared to continuous moderate exercise, HIIT burns more calories and increases the amount of fat burned after exercise has finished.[22] Lack of time is one of the main reasons stated for not exercising. HIIT is a great alternative for those people. It is much quicker than conventional workouts.[23]

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Physical fitness - Wikipedia, the free encyclopedia

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Fitness , Health & Well-Being | POPSUGAR Fitness

All of us at Toms River Fitness and Aquatic Center and Toms River Fitness for Women, welcome you.Weve been in the health club business for over 30 years.From the complementary coffee, the hundreds of cardio and resistance training machines, the swimming pools, and hundreds of group exercise classes per week, you will see proof of our commitment to providing you with all the fitness options you will need regardless of your level or goals.

However, if you ask any of our long time members what distinguishes our clubs from others;

they will probably tell you it is our well-trained and attentive staff.We welcome you to our party.

Thank you for giving us the opportunity to show you why you will love our clubs as much as we do.

When you join Toms River Fitness, you dont just buy a membership. The personal commitment of the Lynnworth and Rand ownership families is pledged to you, as well.

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Toms River Fitness & Aquatic Center

This intricate arm balance relies on arm, core, and leg strength, balance, and spinal and hip flexibility. Miami Vinyasa and Vedanta teacher Rina Jakubowicz shows you how to warm up and take flight.

Yoga Journal

Leading authority on yoga and the yoga lifestyle for 40 years

Variety is the spice of life, as well as the proper seasoning for viewers who want their personal yoga routines to reflect their days. If a day is particularly hard, a tough yoga workout with tons of activity may be beneficial. If a day has been stressful, calming yoga poses may be a nicer fit.

Though a sedentary life can lead to many disease, it alone is not a disease. It's a behavior. And that means it's most definitely one you can change, even if you drive a desk for a living and love watching television at night.

What makes an exercise space exceptional? How can you tell if a gym is "good"?

What many people don't realize about lifting weights is that in addition to the physical benefits you'll gain, it has the ability to expand your life in so many other ways. Here are just a few of the ways you might see your life improve when you start lifting weights.

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Fitness and Exercise: Pictures, Videos, Breaking News

Fitness (often denoted in population genetics models) is a central idea in evolutionary theory. It can be defined either with respect to a genotype or to a phenotype in a given environment. In either case, it describes individual reproductive success and is equal to the average contribution to the gene pool of the next generation that is made by an average individual of the specified genotype or phenotype. The term "Darwinian fitness" can be used to make clear the distinction with physical fitness.[1] Where fitness is affected by differences between various alleles of a given gene, the relative frequency of those alleles will change across generations by natural selection and alleles with greater positive effect on individual fitness will become more common over time; this process is known as evolution by natural selection. Fitness does not include a measure of survival or life-span; the well known phrase Survival of the fittest should be interpreted as: "Survival of the form (phenotypic or genotypic) that will leave the most copies of itself in successive generations."

An individual's fitness is manifested through its phenotype. The phenotype is affected by the developmental environment as well as by genes, and the fitness of a given phenotype can be different in different environments. The fitnesses of different individuals with the same genotype are therefore not necessarily equal. However, since the fitness of the genotype is an averaged quantity, it will reflect the reproductive outcomes of all individuals with that genotype in a given environment or set of environments.

Inclusive fitness differs from individual fitness by including the ability of an allele in one individual to promote the survival and/or reproduction of other individuals that share that allele, in preference to individuals with a different allele. One mechanism of inclusive fitness is kin selection.

Fitness is often defined as a propensity or probability, rather than the actual number of offspring. For example, according to Maynard Smith, "Fitness is a property, not of an individual, but of a class of individuals for example homozygous for allele A at a particular locus. Thus the phrase expected number of offspring means the average number, not the number produced by some one individual. If the first human infant with a gene for levitation were struck by lightning in its pram, this would not prove the new genotype to have low fitness, but only that the particular child was unlucky." [2] Equivalently, "the fitness of the individual - having an array x of phenotypes is the probability, s(x), that the individual will be included among the group selected as parents of the next generation."[3]

There are two commonly used measures of fitness; absolute fitness and relative fitness.

Absolute fitness () of a genotype is defined as the ratio between the number of individuals with that genotype after selection to those before selection. It is calculated for a single generation and must be calculated from absolute numbers. When the absolute fitness is larger than 1, the number of individuals bearing that genotype increases; an absolute fitness smaller than 1 indicates an absolute fall in the number of individuals bearing the genotype. If the number of individuals in a population stays constant, then the average absolute fitness must be equal to 1.

Absolute fitness for a genotype can also be calculated as the product of the probability of survival multiplied by the average fecundity. Absolute fitness is used in Fisher's fundamental theorem.

Relative fitness is quantified as the average number of surviving progeny of a particular genotype compared with average number of surviving progeny of competing genotypes after a single generation, i.e. one genotype is normalized at and the fitnesses of other genotypes are measured with respect to that genotype. Relative fitness can therefore take any nonnegative value, including 0. Relative fitness is used in the standard Wright-Fisher and Moran models of population genetics.

The two concepts are related, as can be seen by dividing each by the mean fitness, which is weighted by genotype frequencies.

The British sociologist Herbert Spencer coined the phrase "survival of the fittest" (though originally, and perhaps more accurately, "survival of the best fitted")[citation needed] in his 1864 work Principles of Biology to characterise what Charles Darwin had called natural selection.

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By Andrea Stanley | 2 hours ago Think you have some sleep apnea symptoms? Know this: Sleep apnea is a sleeping-related breathing disorderthe upper airway actually collapses as you breathe in and out. A person can stop breathing hundreds of times over the course of the night, with each gap in breathing lasting for a minimum of 10 seconds. The majority of those with the disorder tend to be overweight, but facial structure and genetics can also come into play, even if you're physically fit. If you think you're at risk, keep an eye on these sleep apnea symptoms. More By K. Aleisha Fetters | 2 hours ago The benefits of yoga extend beyond a zen mindthe practice can also carve your core. Just ask Russell Case, a Sonima.com yoga expert and spokesperson for the Sonima Foundation. Here, he shares the best yoga poses for abs, so you can whittle your middle andoh yeah, improve your yoga game. More By DivineCaroline.com | 7 hours ago If this fancy braiding technique looks familiar, that's because it's been all over Pinterest and all over the runway. Donna Karan featured a chain link braid in her Spring 2015 NYFW show, and now you can do it yourself. Go ahead; give this four-strand braid a try. More By K. Aleisha Fetters | 1 day ago There's a fine line between a routine and a rut. Avoid crossing it with this guide to switching up your workouts for maximum results. More By Bethany Gumper | 1 day ago Most people don't know that broccoli grows with large leaves that resemble collard greensand they're loaded with nutrients.Check out thesesix recipes from BroccoLeaf, a store-bought brand of broccoli leaves, and two Los Angeles super chefs: Andrew Hunter, star of the Lifetime series Supermarket Superstar; and Akasha Richmond, head chef at Akasha restaurant and author of Hollywood Dish: More Than 150 Delicious, Healthy Recipes from Hollywood's Chef to the Stars.Sorry, kale! More By Katelyn Herlein | 1 day ago Thinking of canceling that gym membership? We found nine elliptical machines for buyers on a budget, so you can get your cardio on without the crowd. More By Colleen Travers | 4 days ago Consider these clean eating recipes the unicorns of the dessert world: deceivingly decadent without the barrels of refined sugar and processed ingredients. They're so guilt-free, you won't think twice about eating them on the reg. More By Karla Walsh | 4 days ago You probably know it's not best to bench on back-to-back days, but how bad is it really to squat then spin? Or HIIT it hard every day? We turned to the experts for tips based on your health habits. More By K. Aleisha Fetters | 5 days ago We all head into the gym with a dominant side. Luckily, the right workout can help you overcome any strength (or even size!) differences between your right and left side. Read on to level out. More By Brooke Schuldt | 5 days ago Remember when younger-you wanted to quit school, run away, and join the circus? Good news: There's a way for you to live out that dream as an adult and get a great workout. It's a little something called aerial yoga, and it involves using silk ropes to stretch out, climb up, and hang upside down as a form of relaxation and strength training. Trust us, you'll never forget your first class... More By Katelyn Herlein | 5 days ago This seasons one piece swimsuitsare sexier than ever thanks to fringe, cutouts, lace, and other intricate designs. Problem spots, solved. More By Colleen Travers | 6 days ago Breaking news: The amount of effort it takes to prep a clean, good-for-you dinner is faster than scrolling through your endless options on Seamless. We've even done the work for youchoose from one of these clean eating recipes to make a slimmer dinner your health (and abs) will thank you for. More By Kiera Aaron | 6 days ago We know you love the energy of spin classbut let's face it, at $30 a pop, it can really add up if it's your everyday workout. That's why we caught up with Lisa Niren, head coach at Peloton Cycle, to talk stationary bike workouts and find the best way to reap the rewards of spinning at home or at the gym. "It's all about interval training that includes a few breathless intervals," says Niren. "By creating a deficiency of oxygen in the body, you continue to burn calories long after the workout is complete." Complete her workoutfor what she calls a "maximum calorie-burning experience." More By Rachel Weeks | 6 days ago Rowing targets your shoulders, back and abs to help you tone up and slim down. Boost your at-home burn with one of these low-impact rowing machines. Go ahead, park it in front of the TV. More

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