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The return phase to the starting position (lowering back to the floor) of the abdominal curl-up is controlled by a(n) _____.

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The return phase to the starting position (lowering back to the floor) of the abdominal curl-up is controlled by a(n) eccentric contraction of the rectus abdominis, external oblique abdominal, and internal oblique abdominal

What is Abdominal curl-up?

  • Abdominal Curl ups, also known as sit ups, are an activity that improves your core muscles and strengthens your abdominal muscles.
  • Doctors recommend them to treat low back discomfort and to lessen the lordotic position of the lumbar spine.
  • This workout was also recommended by a gym trainer who wished to lose belly fat.
  • Slowly, lift your upper back off the floor while concentrating on your abdominals.
  • As your abs pull you up, keep your arms, shoulders, neck, and legs relaxed and do not move any other parts of your body.
  • The abdominal curl (or crunch) test is used to measure a client's abdominal muscle's strength and endurance.

Learn more about curl-up test here:

https://brainly.com/question/1747544

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