Some of my friends sites:

Aviation Sites:

Fitness Research Sites:

Medicine and Science in Sports and Exercise
Official journal of the American College of Sports Medicine. Online version of MSSE
containing full text in HTML an PDF formats from past and current volumes, journal
business and advertising information and author guide materials.

National Strength and Conditioning Association (NSCA)
As the worldwide authority on strength and conditioning, we support and disseminate
research-based knowledge and its practical application, to improve athletic performance and fitness.