Answer:
This isolated contraction is called a twitch. A twitch can last for a few milliseconds or 100 milliseconds, depending on the muscle type. The tension produced by a single twitch can be measured by a myogram, an instrument that measures the amount of tension produced over time
Explanation:
Sustainable Contractions
Answer:
It would be answer choice number 3 or C (Injured shoulders and upper and lower back)
Explanation:
This would be correct because bending at the waist and picking up large or heavy objects interferes with your spine and your shoulders. Regularly lifting this will give you problems in the future.
The right answer is agility.
You already have balance when you can stand on one foot, what you need is agility to turn quickly.
Agility is the ability to quickly change the position of one's body. This requires a combination of scales, psychomotor coordination, and reflexes.
