Exercise has been shown to lengthen lifespan by as much as five years. A small new study suggests that moderate-intensity exercise may slow down the aging of cells. As humans get older and their cells divide over and over again, their telomeres—the protective caps on the end of chromosomes—get shorter. To see how exercise affects telomeres, researchers took a muscle biopsy and blood samples from 10 healthy people before and after a 45-minute ride on a stationary bicycle. They found that exercise increased levels of a molecule that protects telomeres, ultimately slowing how quickly they shorten over time. Exercise, then, appears to slow aging at the cellular level.
And perhaps one of the best new findings about exercise — especially if you, like many people, struggle to find the time to fit it into a busy day — is that all those benefits of physical activity can be had even if you only squeeze in a few minutes of exercise a day. While doctors used to think that we needed to engage in 30 to 60 minutes of exercise a day, new research is finding that we can see benefits with shorter bursts of physical activity. “As little as 15 minutes a day of high-intensity activity that leaves you breathless, like swimming, can kick start your metabolic rate and reduce body fat and increase muscle mass,” says Dr. Berger.
This is a time tested exercise to reduce arm fat and have toned arms. It is also an effective exercise to remove belly fat which strengthens the core. For this exercise, you need to select an item from your home to use as a weight. You can use a 2 liter cold drink bottle or a water bottle for this exercise. If you have a pair of dumbbells at home it works out just fine. The aim is to reach out for something which weighs around one kilo. Avoid using something breakable or valuable. It may fall down and break, so be very careful with your choice.
Previous studies from her lab have also shown that the exercise is linked to changes in the secretion of stress hormones like epinephrine (a.k.a. adrenaline) and norepinephrine. “Our work has shown that each moderate, relatively short exercise bout exerts regulatory/suppression effects over inflammatory activities of immune cells," says Hong, "and in order to maximize this ‘benefit,’ repeated and regular exercise is recommended. In fact, we have also found that higher physical fitness is associated with better regulation of inflammatory activities of immune cells through stress hormones even among obese individuals.”
Exercise helps people perform activities of daily life more easily. Physically fit people are stronger, healthier and more energetic than sedentary people. They are able to solve problems more readily, deal with stress more effectively, think faster and remember things more efficiently. Overall, activities of daily life become less of a chore for active people.
Family relationships can benefit from exercise too. On days when the weather is nice the entire family may enjoy a walk or the couple a bike ride with the children in child seats behind the parents. If the family is involved in that very active phase of rearing young children, a parent's exercise break between work and child responsibilities will likely help them to be a calmer, more able parent.
While many arms exercises are biceps-focused, this simple isolation exercise dials in on the triceps, or the backs of your arms. (If you do find your biceps working overtime, this is a great way to make sure you're building balanced upper-body strength.) "By hugging your elbows in toward your body and using your own bodyweight, this area is majorly targeted," says Speir. And it's really easy to do anywhere. "The great thing about this move is it takes up the smallest amount of space," she adds.
Get down on all fours with your knees placed directly below your hips and palms placed directly below your shoulders. Now, raise your right arm forward and stretch your left leg backward at the same time. Create a tension in your back by flexing your foot. Hold the position for a few seconds and then come back to the starting position. Repeat the same using your left arm and right leg. Repeat 15 to 20 times on both sides.