 |
|
Improved Cardiorespiratory Endurance Following 6 Months of Resistance Exercise in Elderly Men and Women
Kevin R. Vincent, PhD;
Randy W. Braith, PhD;
Ross A. Feldman, MS;
Henrique E. Kallas, MD;
David T. Lowenthal, MD, PhD
Arch Intern Med. 2002;162:673-678.
Objective To examine the effect of 6 months of high- or low-intensity resistance
exercise on aerobic capacity and treadmill time to exhaustion in adults aged
60 to 83 years.
Methods Sixty-two men and women completed the study protocol. Subjects were
matched for strength and randomly assigned to a control (n = 16), low-intensity
exercise (LEX, n = 24), or high-intensity exercise (HEX, n = 22) group. Subjects
trained at either 50% of their one repetition maximum (1-RM) for 13 repetitions
(LEX) or 80% of 1-RM for 8 repetitions (HEX) 3 times per week for 24 weeks.
One set each of 12 exercises was performed. Strength was measured for the
leg press, chest press, leg curl, leg extension, overhead press, biceps curl,
seated row, and triceps dip. Muscular endurance was measured for the leg press
and chest press. Aerobic capacity (peak oxygen consumption [ O2peak]) was measured during an incremental treadmill test (Naughton).
Treadmill time to exhaustion was measured as the time to exhaustion during
the incremental exercise test.
Results The 1-RM significantly increased (P .05)
for all exercises tested for both the HEX and LEX groups. Aerobic capacity
increased (P.05) by 23.5% (20.2 to 24.7 mL ·
kg-1· min-1) and by 20.1% (20.9 to
24.4 mL · kg-1· min-1) for
the LEX and HEX groups, respectively. Treadmill time increased (P.05) by 26.4% and 23.3% for the LEX and HEX groups, respectively.
Conclusions Significant improvements in aerobic capacity and treadmill time to exhaustion
can be obtained in older adults as a consequence of either high- or low-intensity
resistance exercise. These findings suggest that increased strength, as a
consequence of resistance exercise training, may allow older adults to reach
and/or improve their aerobic capacity.
From the College of Medicine (Drs Vincent, Braith, and Lowenthal) and
Center for Exercise Science, College of Health and Human Performance (Dr Braith
and Mr Feldman), University of Florida, and Geriatric Research, Education
and Clinical Center, Veteran's Administration Hospital (Drs Kallas and Lowenthal),
Gainesville, Fla.
RELATED LETTER
Sex Matters
Sharonne N. Hayes
Arch Intern Med. 2002;162(21):2490.
EXTRACT
| FULL TEXT
RELATED ARTICLE
Archives of Internal Medicine Reader's Choice: Continuing Medical Education
Arch Intern Med. 2002;162(6):722-723.
FULL TEXT
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES
|
Resistance Exercise in Individuals With and Without Cardiovascular Disease: 2007 Update: A Scientific Statement From the American Heart Association Council on Clinical Cardiology and Council on Nutrition, Physical Activity, and Metabolism
Williams et al.
Circulation 2007;116:572-584.
ABSTRACT
| FULL TEXT
Prescribing Physical Activity for Cardiovascular and Metabolic Health
Zoeller
AMERICAN JOURNAL OF LIFESTYLE MEDICINE 2007;1:99-102.
ABSTRACT
Worksite intervention effects on physical health: a randomized controlled trial
Atlantis et al.
HEALTH PROMOT INT 2006;21:191-200.
ABSTRACT
| FULL TEXT
Aerobic Capacity in Patients Entering Cardiac Rehabilitation
Ades et al.
Circulation 2006;113:2706-2712.
ABSTRACT
| FULL TEXT
Resistance Exercise Training: Its Role in the Prevention of Cardiovascular Disease
Braith and Stewart
Circulation 2006;113:2642-2650.
FULL TEXT
Effect of Exercise Training on Peak Aerobic Power, Left Ventricular Morphology, and Muscle Strength in Healthy Older Women
Haykowsky et al.
J. Gerontol. A Biol. Sci. Med. Sci. 2005;60:307-311.
ABSTRACT
| FULL TEXT
Commentary
Lowenthal
J. Gerontol. A Biol. Sci. Med. Sci. 2003;58:M664-665.
FULL TEXT
Sex Matters
Hayes
Arch Intern Med 2002;162:2490-2490.
FULL TEXT
|
