An Intense, But Ecologically Valid, Resistance Exercise Session Does Not Alter Growth Factors Associated With Cognitive Health

2020 ◽  
Vol 28 (4) ◽  
pp. 605-612
Author(s):  
Kieran J. Marston ◽  
Belinda M. Brown ◽  
Stephanie R. Rainey-Smith ◽  
Sabine Bird ◽  
Linda K. Wijaya ◽  
...  
Keyword(s):  
Growth Factor ◽  
Resistance Exercise ◽  
Perceived Exertion ◽  
Load Resistance ◽  
High Load ◽  
Rating Of Perceived Exertion ◽  
Cognitive Health ◽  
Factors Associated ◽  
Moderate Load ◽  
Middle Aged Adults

The purpose of this investigation was to assess the acute changes in growth factors associated with cognitive health following two ecologically valid, intense resistance exercise sessions. Twenty-nine late-middle-aged adults performed one session of either (a) moderate-load resistance exercise or (b) high-load resistance exercise. Venous blood was collected prior to warm-up, immediately following exercise and 30 min following exercise. Serum was analyzed for brain-derived neurotrophic factor, insulin-like growth factor 1, and vascular endothelial growth factor. Session intensity was determined by blood lactate concentration and session rating of perceived exertion. Postexercise blood lactate was greater following moderate-load when compared with high-load resistance exercise. Subjective session intensity was rated higher by the session rating of perceived exertion following moderate-load when compared with high-load resistance exercise. No differences were observed in serum growth factor levels between groups. Ecologically valid and intense moderate-load or high-load exercise methods do not alter serum growth factor levels in late-middle-aged adults.

Hunger is suppressed after resistance exercise with moderate-load compared to high-load resistance exercise: the potential influence of metabolic and autonomic parameters

2020 ◽  
Vol 45 (2) ◽  
pp. 180-186 ◽  
Author(s):  
Marcelo Conrado Freitas ◽  
Valéria Leme Gonçalves Panissa ◽  
Sabrina Alves Lenquiste ◽  
Fernanda de Maria Serra ◽  
Caique Figueiredo ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Resistance Exercise ◽  
Lactate Concentration ◽  
Load Condition ◽  
Load Resistance ◽  
High Load ◽  
Autonomic Modulation ◽  
Rest Interval ◽  
Moderate Load

The purpose of present study was to compare the effects of moderate-load versus high-load resistance exercise (RE) on hunger response, blood lactate, glucose, and autonomic modulation in trained men, and to examine the correlations between these parameters. For this, 11 recreationally resistance-trained males performed 2 randomized trials: moderate-load (6 sets at 70% 1-repetition maximum (1RM) and a 90-s rest interval between sets) and high-load (6 sets at 90% 1RM and a 180-s rest interval between sets) leg-press exercise until movement failure. The subjective rating of hunger was obtained through a visual analog scale. Glucose and lactate concentration were evaluated at rest, immediately after exercise, and 30 min after exercise. Heart rate variability was recorded at baseline and during recovery (until 30 min after exercise) to assess autonomic modulation. The moderate-load condition induced lower subjective hunger ratings than the strength condition immediately after exercise (19.7 ± 16.6 vs 47.3 ± 27.7 mm), 30 min after exercise (33.6 ± 22.9 vs 58.5 ± 29.9 mm), and 60 min after exercise (43.8 ± 26.6 vs 67.8 ± 27.9 mm) (p < 0.05) and lower area under the curve hunger in relation to the high-load condition (p < 0.006). Moderate-load RE presented greater lactate concentration and induced slower heart rate variability recovery in relation to high-load RE (p < 0.05), but no difference was found in glucose, as well as no correlations between any of the variables investigated. In conclusion, moderate-load RE induced lower subjective hunger ratings, slower recovery of the parasympathetic nervous system, and higher lactate concentration in relation to high-load RE, but the metabolic variables were not correlated with hunger suppression.

scholarly journals Elderly perform lower number of repetitions maximum than young at low instead high load resistance exercise

2020 ◽  
pp. 1-5
Author(s):  
Amanda Veiga Sardeli ◽  
Lucas do Carmo Santos ◽  
Marina Lívia Venturini Ferreira ◽  
Arthur Fernandes Gásparia ◽  
Wellington Martins dos Santos ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Perceived Exertion ◽  
Training Stimulus ◽  
Young Men ◽  
Load Resistance ◽  
Lower Number ◽  
High Load ◽  
Elderly Men ◽  
Low Load ◽  
Repetition Number

Aging process is characterized by reduction of muscle mass and strength, named sarcopenia. To attenuate these declines, resistance training has been purposed. The use 1RM test has been applied to define the maximal strength and prescription of exercise. Otherwise, it is not safe and it has not shown good practical applicability. Thus, the present study aim to compare the repetitions number for high and low load resistance exercise performed until failure between a young and elderly men groups. Methods: We compared (Mann-Whitney test) the repetitions number performed until muscle failure by 9 young and 9 elderly men at four sets 45ºleg press exercise for high (80% 1RM) and low load (30% 1RM). Results: Both groups reached maximum values for rate of perceived exertion, ensuring the muscle failure were achieved and no differences were seen between groups. The repetitions numbers were higher for young men with similar delta of reduction throughout sets between groups at low load resistance exercise. Otherwise, the delta of repetitions number reduction throughout sets at high load resistance exercise was higher for young men than elderly. Conclusions: We conclude elderly people need to perform lower number of repetition to reach muscle failure and thus achieve the desired training stimulus, mainly in low load resistance exercise. Furthermore, as they have better resistance to fatigue along sets the reduction of repetition number along sets is lower for them mainly when high load resistance exercise is performed.

Effects of FFP2/N95 face mask on low- and high-load resistance exercise performance in recreational weight lifters

2021 ◽  
pp. 1-9
Author(s):  
Bruno Viana Rosa ◽  
Fabrício Eduardo Rossi ◽  
Helton Pereira dos Santos Nunes de Moura ◽  
Arilene Maria da Silva Santos ◽  
Acácio Salvador Véras-Silva ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Exercise Performance ◽  
Face Mask ◽  
Load Resistance ◽  
High Load ◽  
Weight Lifters

Carbohydrate mouth rinsing improves resistance training session performance

2018 ◽  
Vol 13 (5) ◽  
pp. 804-809 ◽  
Author(s):  
Luciana S Decimoni ◽  
Victor M Curty ◽  
Livia Almeida ◽  
Alexander J Koch ◽  
Jeffrey M Willardson ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Exercise Performance ◽  
Repeated Measures ◽  
Perceived Exertion ◽  
Bench Press ◽  
Statistical Significance ◽  
Training Session ◽  
Rating Of Perceived Exertion ◽  
Double Blind ◽  
Mouth Rinsing

We investigated the effect of carbohydrate mouth rinsing on resistance exercise performance. Fifteen recreationally trained women (age 26 ± 4 y; height 1.61.9 ± 5.1 m; weight 59.5 ± 8.2 kg) completed two resistance exercise bouts consisting of three sets of five exercises (half-squat, leg press, bench press, military press, and seated row) to volitional fatigue with a 10 repetition-maximum load. Immediately prior to and during the middle of each exercise bout, subjects mouth rinsed for 10 s with 100 mL of either a 6% maltodextrin solution (CHO) or an artificially flavored solution (PLA) in a randomized, double-blind, counterbalanced fashion. Heart rate and perceived exertion were compared between conditions using a 2 (conditions) × 15 (time points) repeated measures ANOVA. Significant main effects were further analyzed using pairwise comparisons with Bonferroni post hoc tests. Total volume (exercises * sets * repetitions * load) between sessions was compared with a Student’s t-test. Statistical significance was set at p ≤ 0.05 level of confidence. The CHO resulted in more repetitions performed during half-squat, bench press, military press, and seated row, for a significantly greater (∼12%) total volume load lifted versus PLA ( p = 0.039, ES: 0.49). Rating of perceived exertion was also significantly lower in the CHO versus PLA ( p = 0.020, ES: 0.28). These data indicate that CHO mouth rinsing can enhance high-volume resistance exercise performance and lower ratings of perceived exertion.

Effects Of Caffeine On Resistance Exercise Performance, Mood, Heart Rate, And Rating Of Perceived Exertion

2010 ◽  
Vol 42 ◽  
pp. 443-444
Author(s):  
Edward Jo ◽  
Michael Martinez ◽  
Brown E. Lee ◽  
Jared W. Coburn ◽  
Biagini Matthew ◽  
...  
Keyword(s):  
Heart Rate ◽  
Resistance Exercise ◽  
Exercise Performance ◽  
Perceived Exertion ◽  
Rating Of Perceived Exertion

Effects of Rest Interval Length on Rating of Perceived Exertion during a Multiple-Set Resistance Exercise

2012 ◽  
Vol 115 (1) ◽  
pp. 273-282 ◽  
Author(s):  
Breno Q. Farah ◽  
Aluísio H. R. A. Lima ◽  
Ozéas L. Lins-Filho ◽  
Diogo J. C. A. Souza ◽  
Gleyson Q. M. Silva ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Perceived Exertion ◽  
Rating Of Perceived Exertion ◽  
Interval Length ◽  
Rest Interval

scholarly journals Exercise Prescription Techniques in Cardiac Rehabilitation Centers in Midwest States

2018 ◽  
Vol 7 (1) ◽  
pp. 8-14 ◽  
Author(s):  
Sean O'Neil ◽  
Andrew Thomas ◽  
Ryan Pettit-Mee ◽  
Katie Pelletier ◽  
Mary Moore ◽  
...  
Keyword(s):  
Coronary Artery ◽  
Cardiac Rehabilitation ◽  
Resistance Exercise ◽  
Perceived Exertion ◽  
Exercise Prescription ◽  
Artery Bypass ◽  
Bypass Graft ◽  
The United States ◽  
Rating Of Perceived Exertion ◽  
Rehabilitation Centers

ABSTRACT Introduction: Cardiac rehabilitation (CR) is a primary prescribed treatment for a variety of cardiovascular disease states, including: coronary artery disease, percutaneous coronary intervention (PCI), coronary artery bypass graft (CABG), myocardial infarction (MI), and heart failure. For this reason, exercise prescription guidelines for cardiac patients have been established. However, it is unclear how these guidelines are being administered at cardiac rehabilitation centers. The purpose of this study is to assess current exercise prescription techniques at cardiac rehabilitation clinics across several Midwest states in the United States. Methods: Fifty-eight CR programs from Michigan, Indiana, Illinois, Minnesota, Wisconsin, and Ohio were administered a questionnaire assessing clinic characteristics, aerobic and resistance exercise prescription techniques. Results: Most reported patient types were PCI, CABG, and MI. Clinical exercise physiologists were the primary exercise prescription writers (81%). Only 32% of the clinics required a clinical certification. Baseline stress tests prior to CR were performed in 33% of programs. Rating of Perceived Exertion (RPE) was the most commonly used indicator of exercise intensity, followed by heart rate reserve (HRR), and METs. Resistance exercise was practiced in 89% of CR programs. The most common intensity indicator was trial and error, and RPE. Conclusion: Results demonstrate exercise prescription variability among CR programs. This emphasizes the complexity and expertise among clinical exercise physiologists. These results also highlight the importance that academic programs place on training students across all prescription techniques, and utilization of research-based prescription guidelines published by professional organizations.

scholarly journals High-load resistance exercise with superimposed vibration and vascular occlusion increases critical power, capillaries and lean mass in endurance-trained men

2013 ◽  
Vol 114 (1) ◽  
pp. 123-133 ◽  
Author(s):  
Sandro Manuel Mueller ◽  
David Aguayo ◽  
Fabio Lunardi ◽  
Severin Ruoss ◽  
Urs Boutellier ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Lean Mass ◽  
Critical Power ◽  
Vascular Occlusion ◽  
Load Resistance ◽  
High Load

Time Course of Neuromuscular, Hormonal, and Perceptual Responses Following Moderate- and High-Load Resistance Priming Exercise

2020 ◽  
pp. 1-11
Author(s):  
Peter W. Harrison ◽  
Lachlan P. James ◽  
David G. Jenkins ◽  
Michael R. McGuigan ◽  
Robert W. Schuster ◽  
...  
Keyword(s):  
Time Course ◽  
Load Resistance ◽  
High Load ◽  
Diurnal Changes ◽  
Countermovement Jump ◽  
Squat Jump ◽  
Psychophysiological State ◽  
Moderate Load ◽  
Priming Exercise ◽  
And Control

Purpose: The aim of this study was to map responses over 32 hours following high-load (HL) and moderate-load (ML) half-squat priming. Methods: Fifteen participants completed control, HL (87% 1RM), and ML (65% 1RM) activities in randomized, counterbalanced order. Countermovement jump (CMJ), squat jump (SJ), saliva testosterone, saliva cortisol, and perceptual measures were assessed before and 5 minutes, 8 hours, 24 hours, and 32 hours after each activity. Results are presented as percentage change from baseline and 95% confidence interval (CI). Cliff delta was used to determine threshold for group changes. Results: SJ height increased by 4.5% (CI = 2.2–6.8, Cliff delta = 0.20) 8 hours following HL. CMJ and SJ improved by 6.1% (CI = 2.1–7.8, Cliff delta = 0.27) and 6.5% (CI = 1.2–11.8, Cliff delta = 0.30), respectively, 32 hours after ML. No clear diurnal changes in CMJ or SJ occurred 8 hours following control; however, increases of 3.9% (CI = 2.9–9.2, Cliff delta = 0.26) and 4.5% (CI = 0.9–8.1, Cliff delta = 0.24), respectively, were observed after 32 hours. Although diurnal changes in saliva hormone concentration occurred (Cliff delta = 0.37–0.92), the influence of priming was unclear. Perceived “physical feeling” was greater 8 hours following HL (Cliff delta = 0.36) and 32 hours after ML and control (Cliff delta = 0.17–0.34). Conclusions: HL priming in the morning may result in small improvements in jump output and psychophysiological state in the afternoon. Similar improvements were observed in the afternoon the day after ML priming.

scholarly journals Physiological and Psychophysical Responses to Listening to Music during Warm-Up and Circuit-Type Resistance Exercise in Strength Trained Men

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Hamid Arazi ◽  
Abbas Asadi ◽  
Morteza Purabed
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Resistance Exercise ◽  
Perceived Exertion ◽  
Cardiovascular Responses ◽  
Rating Of Perceived Exertion ◽  
Rate Pressure Product ◽  
Warm Up ◽  
Legal Method ◽  
Cardiovascular Variables

The purpose of this study was to assess the effects of listening to music during warm-up and resistance exercise on physiological (heart rate and blood pressure) and psychophysical (rating of perceived exertion) responses in trained athletes. Twelve strength trained male participants performed warm-up and resistance exercise without music (WU+RE without M), warm-up and resistance exercise with music (WU+RE with M), WU with M and RE without M, and WU without M and RE with M, with 48 hours space between sessions. After completing each session, the rating of perceived exertion (RPE) was measured. Also, heart rate (HR), systolic (SBP) and diastolic blood pressure (DBP), mean arterial pressure (MAP), and rate pressure product (RPP) were assessed before, after, and 15, 30, 45, and 60 min after exercise. Results indicated that RPE was higher for WU+RE without M condition in comparison with other conditions. All conditions showed increases in cardiovascular variables after exercise. The responses of HR, SBP, and RPP were higher for WU+RE without M condition. Thus, using music during warm-up and resistance exercise is a legal method for decreasing RPE and cardiovascular responses due to resistance exercise.

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