Athletes use a combination of strength training, diet, and nutritional supplementation to induce muscle hypertrophy. Muscle hypertrophy involves an increase in size of skeletal muscle through a growth in size of its component cells. A range of stimuli can increase strength and bulk training for weightlifters and bodybuilders pdf volume of muscle cells.
These changes occur as an adaptive response that serves to increase the ability to generate force or resist fatigue in anaerobic conditions. Progressive overload is one method of training used in muscle hypertrophy. Early muscle growth has been studied and has some association with the implementation of a muscle resistance training program.
Muscular hypertrophy can be increased through strength training and other short-duration, high-intensity anaerobic exercises. This section needs more medical references for verification or relies too heavily on primary sources. Please review the contents of the section and add the appropriate references if you can. Unsourced or poorly sourced material may be challenged and removed.
During a workout, increased blood flow to metabolically active areas causes muscles to temporarily increase in size, known colloquially as being “pumped up”. About two hours after a workout and typically for seven to eleven days, muscles swell due to an inflammation response as tissue damage is repaired.
Longer-term hypertrophy occurs due to more permanent changes in muscle structure. Biological factors, nutrition, and training variables can affect muscle hypertrophy.