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Resistance exercise training improves heart rate variability and muscle performance: a randomized controlled trial in coronary artery disease patients.
Eur J Phys Rehabil Med. 2015 Jun; 51(3):281-9.EJ

Abstract

BACKGROUND

Resistance exercise (RE) is an important part of cardiac rehabilitation. However, it is not known about the low intensity of RE training that could modify the heart rate variability (HRV), muscular strength and endurance in patients with coronary artery disease (CAD).

AIM

To investigate the effects of high repetition/low load resistance training (HR/LL-RT) program on HRV and muscular strength and endurance in CAD patients.

DESIGN

Randomized and controlled trial.

SETTING

Patients seen at the Cardiopulmonary Physical Therapy Laboratory between May 2011 and November 2013.

POPULATION

Twenty male patients with CAD were randomized to a training group (61.3±5.2 years) or control group (61±4.4 years).

METHODS

1 repetition maximum (1-RM) maneuver, discontinuous exercise test on the leg press (DET-L), and resting HRV were performed before and after 8 weeks of HR/LL-RT on a 45° leg press. RMSSD, SD1, mean HR and ApEn indices were calculated. The HR/LL-RT program consisted of a lower limb exercise using a 45° leg press; 3 sets of 20 repetitions, two times a week. The initial load was set at 30% of the 1-RM load and the duration of the HR/LL-RT program was performed for 8 weeks.

RESULTS

After 8 weeks of HR/LL-RT there were significant increases of RMSSD and SD1 indices in the training group only (P<0.05). There was a significant decrease in mean HR after HR/LL-RT in the training group (P<0.05). There was a significantly higher ApEn after in the training group (P<0.05). There were significantly higher values in the training group in contrast to the control group (P<0.05).

CONCLUSION

These results show positive improvements on HRV, as well as muscle strength and endurance in CAD patients.

CLINICAL REHABILITATION IMPACT

Eight weeks of HR/LL-RT is an effective sufficient to beneficially modify important outcomes as HRV, muscle strength and endurance in CAD patients.

Authors+Show Affiliations

Cardiopulmonary Physical Therapy Laboratory, Federal University of Sao Carlos, Sao Carlos, Brazil - audrey@ufscar.br.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

25384514

Citation

Caruso, F R., et al. "Resistance Exercise Training Improves Heart Rate Variability and Muscle Performance: a Randomized Controlled Trial in Coronary Artery Disease Patients." European Journal of Physical and Rehabilitation Medicine, vol. 51, no. 3, 2015, pp. 281-9.
Caruso FR, Arena R, Phillips SA, et al. Resistance exercise training improves heart rate variability and muscle performance: a randomized controlled trial in coronary artery disease patients. Eur J Phys Rehabil Med. 2015;51(3):281-9.
Caruso, F. R., Arena, R., Phillips, S. A., Bonjorno, J. C., Mendes, R. G., Arakelian, V. M., Bassi, D., Nogi, C., & Borghi-Silva, A. (2015). Resistance exercise training improves heart rate variability and muscle performance: a randomized controlled trial in coronary artery disease patients. European Journal of Physical and Rehabilitation Medicine, 51(3), 281-9.
Caruso FR, et al. Resistance Exercise Training Improves Heart Rate Variability and Muscle Performance: a Randomized Controlled Trial in Coronary Artery Disease Patients. Eur J Phys Rehabil Med. 2015;51(3):281-9. PubMed PMID: 25384514.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Resistance exercise training improves heart rate variability and muscle performance: a randomized controlled trial in coronary artery disease patients. AU - Caruso,F R, AU - Arena,R, AU - Phillips,S A, AU - Bonjorno,J C,Jr AU - Mendes,R G, AU - Arakelian,V M, AU - Bassi,D, AU - Nogi,C, AU - Borghi-Silva,A, Y1 - 2014/11/11/ PY - 2014/11/12/entrez PY - 2014/11/12/pubmed PY - 2016/3/10/medline SP - 281 EP - 9 JF - European journal of physical and rehabilitation medicine JO - Eur J Phys Rehabil Med VL - 51 IS - 3 N2 - BACKGROUND: Resistance exercise (RE) is an important part of cardiac rehabilitation. However, it is not known about the low intensity of RE training that could modify the heart rate variability (HRV), muscular strength and endurance in patients with coronary artery disease (CAD). AIM: To investigate the effects of high repetition/low load resistance training (HR/LL-RT) program on HRV and muscular strength and endurance in CAD patients. DESIGN: Randomized and controlled trial. SETTING: Patients seen at the Cardiopulmonary Physical Therapy Laboratory between May 2011 and November 2013. POPULATION: Twenty male patients with CAD were randomized to a training group (61.3±5.2 years) or control group (61±4.4 years). METHODS: 1 repetition maximum (1-RM) maneuver, discontinuous exercise test on the leg press (DET-L), and resting HRV were performed before and after 8 weeks of HR/LL-RT on a 45° leg press. RMSSD, SD1, mean HR and ApEn indices were calculated. The HR/LL-RT program consisted of a lower limb exercise using a 45° leg press; 3 sets of 20 repetitions, two times a week. The initial load was set at 30% of the 1-RM load and the duration of the HR/LL-RT program was performed for 8 weeks. RESULTS: After 8 weeks of HR/LL-RT there were significant increases of RMSSD and SD1 indices in the training group only (P<0.05). There was a significant decrease in mean HR after HR/LL-RT in the training group (P<0.05). There was a significantly higher ApEn after in the training group (P<0.05). There were significantly higher values in the training group in contrast to the control group (P<0.05). CONCLUSION: These results show positive improvements on HRV, as well as muscle strength and endurance in CAD patients. CLINICAL REHABILITATION IMPACT: Eight weeks of HR/LL-RT is an effective sufficient to beneficially modify important outcomes as HRV, muscle strength and endurance in CAD patients. SN - 1973-9095 UR - https://www.unboundmedicine.com/medline/citation/25384514/Resistance_exercise_training_improves_heart_rate_variability_and_muscle_performance:_a_randomized_controlled_trial_in_coronary_artery_disease_patients_ L2 - http://www.minervamedica.it/index2.t?show=R33Y2015N03A0281 DB - PRIME DP - Unbound Medicine ER -