Musculoskelettal system
It is made of bones, muscles, senews or tendons, and nerves. (And arteries, veins, lymph, etc)
You can have your bone broken, a broken bone is very painful, you have to fix the fracture rapidly.
When you sprain your joint, you don't have a broken bone: the problem, the swelling and the pain, comes from the tendons and ligaments you sprained. It's been over-stretched and now it needs repairing. To get back to normal. It takes a few days.
Not only accidents can affect the joints. Deseases can cause joint pains as well. From damage in the tendon or in the bone or both. There are joint infections which are called infectious arthritis.
You can need pain killers, or anti-inflammatory medications, or antibiotics..
QUIZ
1You need antibiotics to fix the fracture rapidly.
2 You are young, you practice a lot of sports, your bones are solid, your muscles are strong and so are your tendons, so much so that you can't break any bone, even if you jumped off the roof.
3 Before exercising it is good to do a little warm up. Real athletes exercise regularly.
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