8. Answer "no" to all items on PA Readiness Questionnaire (can participate safely), or if a woman answers "yes" to one or more questions on the PAR-Q, she will be asked to obtain medical clearance from her physician prior to participation in the study. Women will be given two options in which to demonstrate medical clearance (a) bring a form provided by the study team to their health care provider to obtain a signature from a physician and then email, fax, or mail the signed medical clearance form to the research personnel, or (b) sign and fax a release of information form to research personnel, who will then send the medical clearance form directly to their designated health care providers' office to obtain a physician signature.