"I suddenly fell and broke my hand while walking" and "I fell while catching my foot on an umbrella and injured my nose bone" Doctors call it "child locomotive syndrome" to distinguish it from adult locomotive Syndrome caused by aging or illness. One of the causes may be that there are many restrictions on movement to prevent infection due to the corona disaster.
If you continue to do appropriate exercises such as stretching and gymnastics, as well as review your body posture, you can expect prevention and improvement.