“Resistance training increases muscle strength by pitting the muscles against a weight, such as a dumbbell or barbell. The muscle cells adapt to the extra workload by enlarging (hypertrophy) and recruiting greater numbers of nerve cells to aid contraction. Understanding the principles of muscle contraction can help you reach your fitness goals faster. It is important to pay attention to safety and good form to reduce the risk of injury. Consult with your doctor before starting any new exercise program, especially if you are overweight, over 40 years, have a pre-existing medical condition or haven’t exercised in a long time.”

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