I recently had my gallbladder removed because I was having a fallbladder attack. When the operation was done, the pain in my right shoulder blade immediately disappeared along with pain in mt chest and on the left fsde of my stomach. I am sure it could be something else as well. Hope this helps.
Try a chiropractor.....experts in the conservative treatment of back pain and other musculoskeletal conditions.
you might have strained a muscle, in which case you're fine. but if it doesn't go away in about an hour or so, you may have a pinched nerve, in which case you should get treatment or apply warmth to your shoulder blade for several hours or as much as possible until it no longer hurts when you use your arm.
a Reverse blade sword is a alternate or a katana blade with the sharp part curved inward and the flat dull part as the original sharp edge
A sharp one.
they are as sharp as a saw blade
To determine if skates are sharp, you can carefully run your finger along the edge of the blade. If the blade feels smooth and sharp, it is likely sharp. Be cautious to avoid cutting yourself. Alternatively, you can also visually inspect the blade for any dull or uneven areas.
Replace it with a sharp scalpel blade
Diamond blade is very sharp, and not only that, it also hard as it made of fabricated diamond on teeth of the blade. And it depends on the type of blade you use. They make some shape of the teeth for special job.
Grasses are one example of plants with sharp leaf blades.
The force required to break the skin depends on how sharp the sharp blade is and where on the body you are cutting, also on the age of the person being cut.
Adze.
The sharp edge of the blade should rotate in the same direction as the engine. Turn the engine slightly to see which direction it rotates and install the blade accordingly.