Search

Active vs. inactive muscle

People may lose 20 to 40 percent of their muscle -- and, along with it, their strength -- as they age. Scientists have found that a major reason people lose muscle is because they stop doing everyday activities that use muscle power, not just because they grow older.

Media

  • Active vs. inactive muscle

    Active vs. inactive muscle

Encyclopedia content is provided as information only and not intended to replace the advice and instruction from your personal physician.