CanFitPro Personal Training Specialist Practice Test

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How are the erector spinae muscles deconditioned and atrophy addressed?

  1. Lumbar flexion exercises

  2. Spinal rotation exercises

  3. Hyperextension exercises of the spine of 70°

  4. Isometric exercises

The correct answer is: Hyperextension exercises of the spine of 70°

The erector spinae muscles can become deconditioned and atrophy due to lack of use or injury. Lumbar flexion exercises (A) primarily target the abdominal muscles and may not effectively strengthen the erector spinae. Spinal rotation exercises (B) also do not specifically focus on the erector spinae and may not provide enough resistance to adequately strengthen these muscles. Isometric exercises (D) involve static muscle contractions and may not be effective in addressing deconditioning and atrophy. Hyperextension exercises of the spine of 70° (C) are the most effective in targeting and strengthening the erector spinae muscles. This is because it involves extension and weight-bearing load on the spine, which simulates real-life movements and can help improve muscle endurance and strength. Therefore, hyperextension exercises of the spine of 70° (C) are the

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