There is no muscle that is routinely referred to in medicine or anatomy as the PK muscle and without context it is not easy to guess which you might mean. Perhaps you mean the PC muscle?
For information about the pubococcygeus muscle (PC muscle) see the related questions section.
pk means Pakistan
Uh, here goes: PK Flash, PK Fire, PK Lightning, PK Starstorm, PSI Magnet and PSI Brainstorm.
there is no such abbreviation of PK. pk is the name of the movie of amir khan. pk is considered as a drunk man in india.
.pk was created in 1992.
you go onto a pk world
pk
A PK in Soccer is a penalty kick.
PK Hallinan is a children's author.
Parnell karl
30 pk
4 Pk are in 1 Bu.
PK Thomas was born in 1926.