There are dozens of muscles involved in low back muscle endurance, but one muscle in particular is vital for developing endurance along the entire length of your back. Running vertically along each side of your spinal column is a thin yet powerful muscle called the multifidus. This underrated muscle group runs from your tailbone all the way to the top of your upper back. A well-developed multifidus bolsters the stability of your entire back, helping to reduce joint degeneration and prevent low back pain.226 But it’s not just about mechanical support. The multifidus, along with the TVA, is
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