How is the heath and fitness club segmented in the USA? What is the
actually size of the different segments (should include small
yoga/pilates studios and large national health club chains)? Can you
provide information on each of these segments: size, characteristics?
type of ownership, etc.

--skwilder,
 
IHRSA/ASD Health Club Trend Report
"Based on national consumer surveys conducted in January of every year
from 1988 to the present, the American Sports Data, Inc. report tracks
and analyzes health club membership by demographics, frequency of
attendance, activity participation, competitive facility patronage
(YMCAs, corporate facilities, universities, military, in-home
exercise, etc.) and membership fees..."

The latest report released July 2003 containing 336 pages can be
purchsed for $575

American Sports Data
http://www.americansportsdata.com/health_club_trends1.asp

Some interesting reading:
http://209.117.96.104/trendreport/07_2003trend.pdf

I hope that helps.
rainbow~