Aging, regularity and variability in maximum isometric moments

Journal of Biomechanics

Volumn 39, Issue 8, 2006, Pages 1543-1546

  Challis, John H ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

Elderly; Muscle; Strength

Indexed keywords

APPROXIMATION THEORY; COMPUTATIONAL METHODS; ENTROPY; MUSCLE; SIGNAL PROCESSING; STATISTICAL METHODS;

AGING; ELDERLY; MAXIMUM ISOMETRIC MOMENTS; REGULARITY; STRENGTH;

BIOMECHANICS;

ADULT; AGED; AGING; ANALYSIS OF VARIANCE; ARTICLE; BODY HEIGHT; BODY MASS; COMPARATIVE STUDY; CONTROLLED STUDY; ENTROPY; HUMAN; MOTOR UNIT; MUSCLE ISOMETRIC CONTRACTION; PLANTARIS MUSCLE; PRIORITY JOURNAL; STATISTICAL ANALYSIS;

ADULT; AGED; AGING; ANALYSIS OF VARIANCE; HUMANS; ISOMETRIC CONTRACTION; MALE; MOVEMENT; MUSCLE, SKELETAL;

EID: 33646403431     PISSN: 00219290     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jbiomech.2005.04.008     Document Type: Article

References (19)

1. Caldirola D., Bellodi L., Caumo A., Migliarese G., and Perna G. Approximate entropy of respiratory patterns in panic disorder. American Journal of Psychiatry 161 1 (2004) 79-87
2. Centers for Disease Control and Prevention, 2004. Health Behaviors of Adults: United States, 1999-2001. CDC, Series 10, No. 219.
3. Enoka R.M., Christou E.A., Hunter S.K., Kornatz K.W., Semmler J.G., Taylor A.M., and Tracy B.L. Mechanisms that contribute to differences in motor performance between young and old adults. Journal of Electromyography and Kinesiology 13 (2003) 1-12
4. Galea V. Changes in motor unit estimates with aging. Journal of Clinical Neurophysiology 13 3 (1996) 253-260
5. Gell-Mann M. What is complexity?. Complexity 1 1 (1995) 16-19
6. Johnson M.L., Lampl M., and Straume M. Distinguishing models of growth with approximate entropy. Methods in Enzymology 321 (2000) 196-207
7. Kent-Braun J.A., and Ng A.V. Specific strength and voluntary muscle activation in young and elderly women and men. Journal of Applied Physiology 87 1 (1999) 22-29
8. Kurz M.J., and Stergiou N. The aging human neuromuscular system expresses less certainty for selecting joint kinematics during gait. Neuroscience Letters 348 3 (2003) 155-158
9. Lexell J. Human aging, muscle mass, and fiber type composition. Journal of Gerontology: Series A 50A (1995) 11-16
10. Lipsitz, L.A., 2002. Dynamics of stability: the physiologic basis of functional health and frailty. Journal of Gerontology: Series A 57(3), B115-125.
11. Lipsitz L.A., and Goldberger A.L. Loss of 'complexity' and aging. Potential applications of fractals and chaos theory to senescence. Journal of the American Medical Association 267 13 (1992) 1806-1809
12. Overend, T.J., Cunningham, D.A., Kramer, J.F., Lefcoe, M.S., Paterson, D.H., 1992. Knee extensor and knee flexor strength: cross-sectional area ratios in young and elderly men. Journal of Gerontology 47(6), M204-210.
13. Pincus S.M. Approximate entropy as a measure of system complexity. Proceedings of the National Academy of Sciences 88 (1991) 2297-2301
14. Pincus S.M., Gladstone I.M., and Ehrenkranz R.A. A regularity statistic for medical data analysis. Journal of Clinical Monitoring 7 4 (1991) 335-345
15. Schreiber T., and Schmitz A. Surrogate time series. Physica D: Nonlinear Phenomena 142 3-4 (2000) 346-382
16. Theiler J., Eubank S., Longtin A., Galdrikian B., and Farmer J.D. Testing for nonlinearity in time-series-the method of surrogate data. Physica D 58 1-4 (1992) 77-94
17. Tracy B.L., and Enoka R.M. Older adults are less steady during submaximal isometric contractions with the knee extensor muscles. Journal of Applied Physiology 92 3 (2002) 1004-1012
18. Vaillancourt D.E., and Newell K.M. Aging and the time and frequency structure of force output variability. Journal of Applied Physiology 94 3 (2003) 903-912
19. van Galen G.P., and van Huygevoort M. Error, stress and the role of neuromotor noise in space oriented behaviour. Biological Psychology 51 (2000) 151-171