Answers ( 2 )

  1. Hi...what is your age?In old age there is reduction of calcium and joint lubricant which may lead to cause sound in joints while doing flexion and extension of knee joint..other reason may be due to some injury like twisting of leg..treatment you should take and do exercises in daily routine.
  2. Do strengthening exercises for quadricep muscle that is for thigh.,avoid low sitting.consult to the orthopedician for proper diagnosis