Muscle Hypertrophy – The Two Different Types

Muscle hypertrophy is the enlarging of the muscle cells due to the external stimuli that frequently occurs in the body. These stimuli are obtained usually from activities like exercise, work-out and bodybuilding. These activities impose great demand in the muscle cells. The muscles are forced to meet up these demands however muscle cells also have their limits. In order to facilitate the achievement of this requirement the muscle cells initiate the mechanism of hypertrophy. The body increases the size of the muscles in order to provide the additional demand.

Exercise and other activities require energy in order to be conducted. Energy is primarily produced inside the cell through an organelle we call as mitochondria. It is known as the power house unit of the cell wherein ATP or Adenosine Triphosphate is produced. It is compound used by the body in order to generate energy. As the body exerts more effort in the activity, these mitochondria produce more ATP in order to provide more energy. If the muscle cells sense that the energy being provided by the mitochondria is not yet enough, it induces muscle hypertrophy in response to the said situation. It enlarges itself and increases the needed organelles such as mitochondria in order to meet the demand. This scenario is well observed as the skeletal muscles engage in a frequent activity.

Muscular hypertrophy has two types which are the Sarcoplasmic hypertrophy and the Myofibrillar Hypertrophy.

Sarcoplasmic hypertrophy is derived from the word “sarcoplasm”. This type of muscle hypertrophy involves the sarcoplasmic fluid. It is a non-contractile fluid found in the muscles and this comprises 25% to 30& of the total muscle size. Sarcoplasms are non-contractile therefore developing this part means only increasing the muscular size and not its strength. This type of hypertrophy is usually achieved as an individual progress a high repetition work-out.

Myofibrillar hypertrophy talks about the enhancement of the muscle itself. It gains more myofibrils or the muscular contractile component and it increases the important organelles such as the mitochondria and nuclei. The myofibrils are the ones responsible for the muscular strength due to its contractile capacity. As it increases, strength of the muscles also follows. This type of hypertrophy has the greatest advantage of all. This type is achieved by having low repetition work-out accompanied by heavy weights. Instead of lifting 100lbs of barbell for 25 times, having 250lbs of barbell for 10 repetition yields more results. This principle is one of the things that have to be followed in terms of bodybuilding and athletic training. Training with high repetitions yield only muscular enlargement but low repetition with high weights promotes muscular strength increase and also size.

Expert believes that muscular formation is best achieved by having sarcoplasmic hypertrophy to enlarge the muscle followed by the myobrillar hypertrophy in order to strengthen the muscles. It is not advised to do both at the same time since muscles undergoes upon frequent increasing muscular demand. The knowledge about these types of hypertrophy provides the rationale of how the trainings are should be.

Source by Jes B

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