What causes tendonitis in the wrist?

Because they weren’t locked down tight enough. A properly applied handcuff can't be taken off by squeezing your hand through.

Achilles tendonitis typically happens in people who have tight calves. Basically, it occurs when the Achilles tendon becomes irritated due to repetitive stress, typically from walking, running, or activities that...

Avoid high-impact activity and implement a RICE protocol, which stands for rest, ice, compression, and elevation. In addition, ask your doctor whether they recommend an ankle brace or pneumatic cam...

If you want a solidly-knotted bracelet, use strings that are approximately 2 yards long for a bracelet. If you only plan to knot 10 knots, you can get away with...

Leave some length on the end of your bracelet, and tie the ends through the loop in the other end. You may need someone to help you.

You should try to make 90 degrees when you are leaving the bowl. Practice swinging your hand before the match.

Pivot your foot and toes downward and thrust both arms into the swing, allowing more of your body weight to give a more accurate thrust.

Make sure you're hitting mainly with the knuckles on your index and middle finger. If you hit with your lower knuckles, you're more likely to injure your hand and wrist.

It can be, but only do gentle stretches so you don't overexert yourself or cause more damage.