What is the ability to contract a muscle, or group of muscles, repeatedly without getting tired?

You can add phyisical activity minutes to your day by uising a leaf blower instead of a rake

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

Rotation of the head is made in atlanto-occipital joint or not?