A controllable factor that might impact your normal workout routine and require modifications is -age
-weather
-tedium
-injury

Which two levels of the spine that can undergo flexion and extension?

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases

Building muscle has which of the following effects? it increases the metabolic rate. it relieves pressure on the joints. it slows weight loss considerably.