A 18 yrs old boy was playing football, when he suddenly twisted his knee on the ankle and he fell down. He got up after 10 minutes and again staed playing, but next day his knee was swollen and he could not move it. The most probable cause is:

Surgery

A 18 yrs old boy was playing football, when he suddenly twisted his knee on the ankle and he fell down. He got up after 10 minutes and again staed playing, but next day his knee was swollen and he could not move it. The most probable cause is:

A tender swelling in submandibular triangle is mostly likely diagnosed as

In transfacial proportions, the face Is divided into how many segments:

Specific for Ankylosing spondylitis is true?