The ability to produce maximal force is influenced by many factors. Genetic factors can influence your ratio of fast to slow twitch muscle fibers, nutrient absorption, and resistance to muscular damage.

Depending on your predispositions it may be worth experimenting with different styles of programming. Some research has shown low responders to strength training can improve their outcomes when given higher than normal training volumes. If you are a high responder, you may be able re-invest your resources into capacities where you are weaker.

Athletigen’s Athletic Report looks at two traits related to strength and hypertrophy: Muscle Strength and Muscle Growth.

Many factors contribute to muscle development and strength, including your diet, your proportion of fast or slow twitch muscles, how well you maintain strength as you age, and your level of activity.

This panel of genes includes those that affect how well your muscles receive important nutrients, and how your muscles function and adapt to aging.

  • VDR facilitates the absorption of active vitamin D into muscle cells.
  • CNTF may contribute to maintaining muscle function as you age by protecting nerve cells that carry signals to muscles from aging.
  • ACTN3 influences the fast and slow twitch characteristics of muscle fibers.

Research also shows that the MSTN gene affects muscle growth. 

During physical activity your muscles undergo wear and tear that can result in loss of muscle strength, swelling, and soreness. The gene codes for a protein called myostatin, which helps to regulate muscle growth and repair. Myostatin tells your body when to stop producing new muscle cells. Variants of this gene are associated with increased muscle growth and strength.

Learn how your genetics affect your strength and hypertrophy and get expert recommendations with Athletigen’s Athletic Report!


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