American College of Sports Medicine. (1998). Exercise and physical activity for older adults: position stand. Med Sci Sports Exerc, 30, 992-1008.
Australian Council for Health Physical Education and Recreation (ACHPER) (ed) .Handbook for the Australian Fitness Education Award manual. South Australia: ACHPER Publications 1996.
Canadian Society for Exercise Physiology (CSEP) (ed) .The Canadian Physical Activity, Fitness & Lifestyle Approach (CPAFLA): CSEP-Health & Fitness Program's Health-Related Appraisal and Counseling Strategy. 3rded. Ottawa: CSEP 2003.
Cooper Institute for Aerobics Research (ed) .The Prudential Fitnessgram: Test administration manual. 3rded. Champaign, IL: Human Kinetics 2004.
Bergstrom G, Aniansson A, Bjelle A, Grimby G. Lundgren-Lindquist B, Svanborg A. Functional consequences of joint impairment at age 79. Scand. J Rehabil Med. 1985; 17 183-190
Skinner JS, Oja P. Laboratory and field tests for assessing health-related fitness. In: Bouchard C, Shephard RJ, Stephens T (eds) Physical Activity, Fitness and Health, Champaign. IL: Human Kinetics 1994: 160-179
Myers AM, Huddy I. Evaluating Physical Capabilities in the Elderly: the Relationship between ADL Self-Assessments and Basic Abilities. Can J Aging. 1985; 4.
Sjolie AN. Low-back pain in adolescents is associated with poor hip mobility and high body mass index. Scand J Med Sci Sports. 2004; 14 168-175
Feldman DE, Shrier I, Rossignol M, Abenhaim L. Risk factors for the development of low back pain in adolescence. Am J Epidemiol. 2001; 154 30-36
Kujala UM, Salminen JJ, Taimela S, Oksanen A, Jaakkola L. Subject characteristics and low back pain in young athletes and non-athletes. Med Sci Sports Exerc. 1992; 24 627-632
Baumgartner, T., & Jackson, S. A. (1995). Measurement for Evaluation in Physical Education and Exercise Science. Dubuque: Wm. C. Brown Communications.
ACSM. Guidelines for exercise testing and prescription. 6th ed. Baltimore: Lippincott, Williams & Wilkins, 2000:85–8.
Cornbleet SL, Woolsey NB. Assessment of hamstring muscle length in school-aged children using the sit-and reach test and the inclinometer measure of hip joint angle. Physical Therapy, 1996; 76(8):850-855.
Ruiz JR, Castro-Piñero J, Artero EG, Ortega FB, Sjöström M, Suni J et al. Predictive Validity of Health-Related Fitness in youth: A Systematic Review. British journal of sports medicine, 2009.
Fabunmi AA, Akaraiwe CA, Akosile CO. Hamstring flexibility: relationship between straight leg-raise and back saver sit and reach tests. Fourth International Council for Health, Physical Education, Recreation, Sport and Dance (ICHPER-SD), 2008.