Does Group Fitness Rise on the Tide of Relatedness- Amy BucherFull size 800 × 800 pixels Does Group Fitness Rise on the Tide of Relatedness? Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.