Answer;
A. The curl-up only tests the endurance of the abdominal muscles, not their strength
Explanation;
Curl up test measures abdominal strength and endurance. This test focuses predominantly on the main abdominal muscle, the rectus abdominus, and may not evaluate the core as a whole.
This test requires the athlete to complete as many curl-ups as possible at a rate of 20/minute. This test provides a means to monitor the effect of training on the athlete's physical development.
The number or link at the bottom wich says for more infirmation click here
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Answer:
A fact is an observation that is proven to be true, but in since there is a level of uncertainty. which means nothing is ever scientifically "true".
