A separation of a joint would be much worse because a complete separation could require surgery when as a dislocation where once it happens, it will keep happening - it still is not something that would require surgery.
Answer:
The Islamic civilization rose to prominence in the medical science during the...
b. middle ages
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To make sure you are prepared for every outcome so if in the future if something goes unplanned you already somewhat expected it
D. He should perform rehabilitation exercises, because he his body has gone 3 weeks without the same routine, and therefore he may be more vulnerable to injury.