U should have been-
-cleared by UCP B4 U started.
Sometimes we jump into a program that is above our heads. You may have had pain from a pulmonary origin esp if R or was a smoker. Classes if U notice have a lot of young FIT girls or women, & then U R in the wrong class. Talk 2 an AT-C, & get a program that fits Ur needs & abilities, & a class of Ur peers meaning the same condition as U.