Hello the doctor. At me when I, bend or incurvate and then I unbend a leg or foot something h...

[Michael]

Hello the doctor. At me when I, bend or incurvate and then I unbend a leg or foot something crackles in kolenke (more from sides). Then when I rotate brachiums too all crackles, crackles at rotation completely a leg or foot. Help or assist!!!

[Chizhikov K.I.]

See the answer below.