Squatting exercises in older adults: Kinematic and kinetic comparisons

Medicine and Science in Sports and Exercise

Volumn 35, Issue 4, 2003, Pages 635-643

  Flanagan, Sean ^a   Salem, George J ^a   Wang, Man Ying ^a   Sanker, Serena E ^a   Greendale, Gail A ^b  

^a UNIVERSITY OF SOUTHERN CALIFORNIA   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Aging; Biomechanics; Box squat; Chair squat; EMG; Joint moment; Joint power

Indexed keywords

AGED; AGING; ANALYSIS OF VARIANCE; ANALYTIC METHOD; ARTICLE; BIOMECHANICS; BODY POSTURE; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; ELECTROMYOGRAPHY; EXERCISE; FEMALE; HIP; HUMAN; HUMAN EXPERIMENT; JOINT CHARACTERISTICS AND FUNCTIONS; JOINT FUNCTION; KINEMATICS; KINESIOTHERAPY; KINETICS; KNEE; MALE; NORMAL HUMAN; PHYSIOLOGY; SKELETAL MUSCLE; TASK PERFORMANCE;

AGED; AGED, 80 AND OVER; AGING; BIOMECHANICS; ELECTROMYOGRAPHY; EXERCISE; EXERCISE THERAPY; FEMALE; HIP; HUMANS; KNEE JOINT; MALE; MUSCLE, SKELETAL; POSTURE; RANGE OF MOTION, ARTICULAR;

EID: 0037388864     PISSN: 01959131     EISSN: None     Source Type: Journal    
DOI: 10.1249/01.MSS.0000058364.47973.06     Document Type: Article

References (30)

1. BAKER, D., S. NANCE, and M. MOORE. The load that maximizes the average mechanical power output during explosive bench press throws in highly trained athletes. J. Strength Cond. Res. 15:20-24, 2001.
2. BAKER, D., S. NANCE, and M. MOORE. The load that maximizes the average mechanical power output during jump squats in power-trained athletes. J. Strength Cond. Res. 15:92-97, 2001.
3. BARRY, H. C., and S. W. EATHORNE. Exercise and aging: issues for the practitioner. Med. Clin. North Am. 78:357-376, 1994.
4. BASSEY, E. J., M. A. FIATARONE, E. F. O'NEILL, M. KELLY, W. J. EVANS, and L. A. LIPSITZ. Leg extensor power and functional performance in very old men and women. Clin. Sci. 82:321-327, 1992.
5. BOYDEN, G., J. KINGMAN, and R. DYSON. A comparison of quadriceps electromyographic activity with the position of the foot during the parallel squat. J. Strength Cond. Res. 14:379-382, 2000.
6. BROWN, M., and J. O. HOLLOSZY. Effects of a low intensity exercise program on selected physical performance characteristics of 60- to 71-year olds. Aging (Milano) 3:129-139, 1991.
7. CAVANAGH, P. R., L. M. MULFINGER, and D. A. OWENS. How do the elderly negotiate stairs? Muscle Nerve 5:S52-S55, 1997.
8. CRAM, J. R., and G. S. KASMAN. Introduction to Surface Electromyography. New York: Aspen Publishers, Inc., 1998, pp. 84-86, 349-375.
9. DAVIS, R. B., S. OUNPUU, D. TYBURSKI, and J. R. GAGE. A gait analysis data collection and reduction technique. Hum. Mov. Sci. 10:575-587, 1991.
10. DELUCA, C. J. The use of surface electromyography in biomechanics. J. Appl. Biomech. 13:135-163, 1997.
11. DEVITA, P., T. HORTOBAGYI, and J. BARRIER. Gait biomechanics are not normal after anterior cruciate ligament reconstruction and accelerated rehabilitation. Med. Sci. Sports Exerc. 30:1481-1488, 1998.
12. EARLES, D. R., J. O. JUDGE, and O. T. GUNNARSSON. Velocity training induces power-specific adaptations in highly functioning older adults. Arch. Phys. Med. Rehabil. 82:872-878, 2001.
13. ESCAMILLA, R. F., G. S. FLEISIG, N. G. ZHENG, S. W. BARRENTINE, K. E. WILK, and J. R. ANDREWS. Biomechanics of the knee during closed kinetic chain and open kinetic chain exercises. Med. Sci. Sports Exerc. 30:556-569, 1998.
14. GRABINER, M. D., T. J. KOH, T. M. LUNDIN, and D. W. JAHNIGEN. Kinematics of recovery from a stumble. J. Gerontol. 48:M97-M102, 1993.
15. GREENDALE, G. A., G. J. SALEM, J. T. YOUNG, et al. A randomized trial of weighted vest use in ambulatory older adults: strength, performance, and quality of life outcomes. J. Am. Geriatr. Soc. 48:305-311, 2000.
16. HAKKINEN, K., W. J. KRAEMER, R. U. NEWTON, and M. ALEN. Changes in electromyographic activity, muscle fibre and force production characteristics during heavy resistance/power strength training in middle-aged and older men and women. Acta Physiol. Scand. 171:51-62, 2001.
17. ISEAR, J. A., J. C. ERICKSON, and T. W. WORRELL. EMG analysis of lower extremity muscle recruitment patterns during an unloaded squat. Med. Sci. Sports Exerc. 29:532-539, 1997.
18. KADABA, M. P., H. K. RAMAKRISHNAN, M. E. WOOTTEN, J. GAINEY, G. GORTON, and G. V. COCHRAN. Repeatability of kinematic, kinetic, and electromyographic data in normal adult gait. J. Orthop. Res. 7:849-860, 1989.
19. KADABA, M. P., H. K. RAMAKRISHNAN, and M. E. WOOTTEN. Measurement of lower-extremity kinematics during level walking. J. Orthop. Res. 8:383-392, 1990.
20. MCLAUGHLIN, T. M., C. J. DILLMAN, and T. J. LARDNER. A kinematic model of performance in the parallel squat by champion powerlifters. Med. Sci. Sports Exerc. 9:128-133, 1977.
21. MCLAUGHLIN, T. M., T. J. LARDNER, and C. J. DILLMAN. Kinetics of the parallel squat. Res. Q. Exerc. Sport 49:175-189, 1978.
22. MILLINGTON, P. J., B. M. MYKLEBUST, and G. M. SHAMBES. Biomechanical analysis of the sit-to-stand motion in elderly persons. Arch. Phys. Med. Rehabil. 73:609-617, 1992.
23. REUBEN, D. B., and A. L. SIU. An objective measure of physical function of elderly outpatients: the physical performance test. J. Am. Geriatr. Soc. 38:1105-1112, 1990.
24. SALEM, G. J., M. Y. WANG, S. P. AZEN, J. T. YOUNG, and G. A. GREENDALE. Lower-extremity kinetic response to activity program dosing in older adults. J. Appl. Biomech. 17:103-112, 2001.
25. SKELTON, D. A., C. A. GREIG, J. M. DAVIES, and A. YOUNG. Strength, power and related functional ability of healthy people aged 65-89 years. Age Ageing 23:371-377, 1994.
26. WILSON, G. J., R. U. NEWTON, A. J. MURPHY, and B. J. HUMPHRIES. The optimal training load for the development of dynamic athletic performance. Med. Sci. Sports Exerc. 25:1279-1286, 1993.
27. WINTER, D. A. A new definition of mechanical work done in human movement. J. Appl. Physiol. 46:79-83, 1979.
28. WINTER, D. A. Overall principle of lower limb support during stance phase of gait. J. Biomech. 13:923-927, 1980.
29. WINTER, D. A. Biomechanics and Motor Control of Human Movement (2nd Ed.). New York: John Wiley, and Sons, Inc., 1990, pp. 52-57.
30. WINTER, D. A., A. E. PATLA, J. S. FRANK, and S. E. WALT. Biomechanical walking pattern changes in the fit and healthy elderly. Phys. Ther. 70:340-347, 1990.