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THE LONGITUDINAL RELATIONSHIP BETWEEN REPETITIONS IN RESERVE AND AVERAGE CONCENTRIC VELOCITY IN THE BACK SQUAT AND BENCH PRESS
Title
THE LONGITUDINAL RELATIONSHIP BETWEEN REPETITIONS IN RESERVE AND AVERAGE CONCENTRIC VELOCITY IN THE BACK SQUAT AND BENCH PRESS.
Creator
Cerminaro, Rebecca M., Zourdos, Michael C., Florida Atlantic University, Department of Exercise Science and Health Promotion, Charles E. Schmidt College of Science
Abstract/Description
This study examined the longitudinal relationship between repetitions in reserve (RIR) and average concentric velocity (ACV) in the back squat and bench press exercises. Fourteen resistance-trained men were randomized into two groups (4-6RIR or 1-3RIR) and completed a six-week program. The RIR/ACV slope was significantly greater (p
Show moreThis study examined the longitudinal relationship between repetitions in reserve (RIR) and average concentric velocity (ACV) in the back squat and bench press exercises. Fourteen resistance-trained men were randomized into two groups (4-6RIR or 1-3RIR) and completed a six-week program. The RIR/ACV slope was significantly greater (p<0.001) in the bench press (0.027±}0.001m.s-1) than squat (0.020±}0.001m.s-1), and was steeper in 1-3RIR than 4-6RIR (p<0.001). The RIR/ACV relationship varied from set-to-set (p=0.001); however, the largest difference in ACV at the same RIR from set-to-set was only 0.044 m.s-1; likely not practically meaningful. The RIR/ACV relationship changed over time (p=0.004); however, since training was not to failure, it is unclear if this longitudinal change was due to improved RIR accuracy or a true change in the RIR/ACV relationship. Therefore, the RIR/ACV relationship is exercise-specific and practically stable from set-to-set; however, future research is needed to determine the long-term stability of this relationship.
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Date Issued
2021
PURL
http://purl.flvc.org/fau/fd/FA00013752
Subject Headings
Resistance Training, Weight training, Velocity
Format
Document (PDF)
EFFECT OF PROXIMITY TO FAILURE IN RESISTANCE TRAINING ON CIRCULATING LEVELS OF NEUROPROTECTIVE BIOMARKERS
Title
EFFECT OF PROXIMITY TO FAILURE IN RESISTANCE TRAINING ON CIRCULATING LEVELS OF NEUROPROTECTIVE BIOMARKERS.
Creator
Benitez, Brian, Zourdos, Michael C., Florida Atlantic University, Department of Exercise Science and Health Promotion, Charles E. Schmidt College of Science
Abstract/Description
This study examined the acute and chronic responses of brain-derived neurotrophic factor (BDNF), cathepsin B (CatB), insulin-like growth factor-1 (IGF-1), and interleukin-6 (IL-6) and if changes in these biomarkers were correlated during resistance training. Fourteen resistance trained men performed resistance training 3 days per week for 6 weeks in two groups. The only difference between groups was the proximity to failure of each set (4-6 repetitions in reserve or 1-3 repetitions in reserve...
Show moreThis study examined the acute and chronic responses of brain-derived neurotrophic factor (BDNF), cathepsin B (CatB), insulin-like growth factor-1 (IGF-1), and interleukin-6 (IL-6) and if changes in these biomarkers were correlated during resistance training. Fourteen resistance trained men performed resistance training 3 days per week for 6 weeks in two groups. The only difference between groups was the proximity to failure of each set (4-6 repetitions in reserve or 1-3 repetitions in reserve). Serum was collected immediately before and after training on day 1 of weeks 1 and 6. There were no significant group interactions for any of the biomarkers assessed, there were no main effects for time (p>0.05), and no significant correlations were observed between any of the biomarkers. However, a significant main effect for exercise for BDNF (p=0.03) and IL-6 (p=0.003) was observed. For CatB, a significant exercise × time (p=0.002) interaction was observed, indicating differences in the acute change of CatB in week 6 (+15.78%; g=0.25) vs. week 1 (-7.46%; g=0.13). In summary, these results suggest that multi-joint resistance exercise far from failure can confer a BDNF response. This investigation is the first to demonstrate the potential for acute resistance exercise to elicit a transient increase in CatB.
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Date Issued
2021
PURL
http://purl.flvc.org/fau/fd/FA00013751
Subject Headings
Resistance Training, Neuroprotection, Biomarkers
Format
Document (PDF)
EFFECT OF PROXIMITY TO FAILURE DURING RESISTANCE TRAINING ON MUSCLE PERFORMANCE AND FATIGUE
Title
EFFECT OF PROXIMITY TO FAILURE DURING RESISTANCE TRAINING ON MUSCLE PERFORMANCE AND FATIGUE.
Creator
Robinson, Zac P., Zourdos, Michael C., Florida Atlantic University, Department of Exercise Science and Health Promotion, Charles E. Schmidt College of Science
Abstract/Description
This study examined the effect of resistance training proximity to failure on strength, muscle hypertrophy, and fatigue. Fourteen men were randomized into two groups (4-6 rating of perceived exertion-RPE per set or 7-9 RPE per set) and completed an eight-week program. Squat and bench press strength, muscle thickness, subjective fatigue, muscle soreness, and biomarkers (creatine kinase-CK and lactate dehydrogenase-LDH) were assessed. There were no significant differences (p>0.05) in the rate...
Show moreThis study examined the effect of resistance training proximity to failure on strength, muscle hypertrophy, and fatigue. Fourteen men were randomized into two groups (4-6 rating of perceived exertion-RPE per set or 7-9 RPE per set) and completed an eight-week program. Squat and bench press strength, muscle thickness, subjective fatigue, muscle soreness, and biomarkers (creatine kinase-CK and lactate dehydrogenase-LDH) were assessed. There were no significant differences (p>0.05) in the rate of strength gains and equivalence testing revealed hypertrophy was not statistically similar nor different. All results for indirect markers of muscle damage and fatigue indicated similar recovery between groups within 48 hours; however, a small between group effect size (g=0.39) existed indicating higher session RPE in the 7-9 RPE group across the entire training program. These results suggest that strength and possibly hypertrophy outcomes are similar when training each set to 4-6 RPE or 7-9 RPE in trained men.
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Date Issued
2021
PURL
http://purl.flvc.org/fau/fd/FA00013756
Subject Headings
Resistance Training, Muscles, Hypertrophy
Format
Document (PDF)
RELATIONSHIP BETWEEN VELOCITY AND REPETITIONS IN RESERVE IN THE BACK SQUAT, BENCH PRESS, AND DEADLIFT
Title
RELATIONSHIP BETWEEN VELOCITY AND REPETITIONS IN RESERVE IN THE BACK SQUAT, BENCH PRESS, AND DEADLIFT.
Creator
Hickmott, Landyn M., Zourdos, Michael C., Florida Atlantic University, Department of Exercise Science and Health Promotion, Charles E. Schmidt College of Science
Abstract/Description
This study examined the relationship between average concentric velocity (ACV) and repetitions in reserve (RIR) in the back squat, bench press, and deadlift. Fourteen resistance-trained men performed three experimental sessions (one for each exercise), which was comprised of 4 sets to failure at 80% of one-repetition maximum. The ACV was recorded on every repetition of every set and cross-referenced with RIR. The main findings of this study were that RIR was a significant predictor of ACV for...
Show moreThis study examined the relationship between average concentric velocity (ACV) and repetitions in reserve (RIR) in the back squat, bench press, and deadlift. Fourteen resistance-trained men performed three experimental sessions (one for each exercise), which was comprised of 4 sets to failure at 80% of one-repetition maximum. The ACV was recorded on every repetition of every set and cross-referenced with RIR. The main findings of this study were that RIR was a significant predictor of ACV for all three exercises; the mean set ACV was significantly different between exercises (p<0.001); and the relationship between RIR and ACV was set-dependent (p<0.001). However, the within-exercise difference in ACV from set-to-set is unlikely to be practically significant as all of these ACV differences were below the threshold of 0.06 m.s-1, which is the smallest worthwhile change in ACV. Therefore, these results suggest that the RIR/ACV relationship is exercise-specific, and is stable from set-to-set.
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Date Issued
2020
PURL
http://purl.flvc.org/fau/fd/FA00013522
Subject Headings
Resistance Training, Weight training, Resistance Training--methods, Velocity, Exertion
Format
Document (PDF)
CHANGES IN INTRASET RIR ACCURACY DURING SIX WEEKS OF BENCH PRESS TRAINING IN TRAINED MEN
Title
CHANGES IN INTRASET RIR ACCURACY DURING SIX WEEKS OF BENCH PRESS TRAINING IN TRAINED MEN.
Creator
Remmert, Jacob F., Zourdos, Michael C., Florida Atlantic University, Department of Exercise Science and Health Promotion, College of Education
Abstract/Description
This study examined whether accuracy of intraset RIR predictions changes over time. Nine resistance trained men completed three bench press training sessions per week for six weeks, with the last set of each session performed until muscular failure. During the set to failure, subjects verbally indicated when they perceived 4 repetitions in reserve (RIR) and 1 RIR during the set. For each RIR prediction, the difference between perceived RIR and actual RIR was calculated as RIRDIFF. We analyzed...
Show moreThis study examined whether accuracy of intraset RIR predictions changes over time. Nine resistance trained men completed three bench press training sessions per week for six weeks, with the last set of each session performed until muscular failure. During the set to failure, subjects verbally indicated when they perceived 4 repetitions in reserve (RIR) and 1 RIR during the set. For each RIR prediction, the difference between perceived RIR and actual RIR was calculated as RIRDIFF. We analyzed differences in RIRDIFF using both the raw RIRDIFF (including positive and negative values) and the absolute values of all RIRDIFF using a factorial MANOVA. Covariates included proximity to failure of the RIR prediction, total repetitions performed per set, percentage of one-repetition maximum lifted, the week of training, and the session (1, 2, or 3 within each seek). For the raw RIRDIFF all covariates, except for percentage of 1RM (p > 0.05) were significantly related to the outcome measure at both the predicted 4 and 1 RIR (p < 0.001 to p = 0.04). Specifically, RIRDIFF was significantly higher in weeks 1-4 versus weeks 5-6 (p < 0.001 to p = 0.005). However, the only covariate which significantly impacted the absolute value RIRDIFF at both the predicted 4 (p = 0.033) and 1 RIR (p = 0.022) was total repetitions per set. These results indicate that trained men tend to shift from overpredicting to underpredicting RIR over time and that more repetitions in a set is related to more inaccurate RIR predictions. However, the actual accuracy (i.e., absolute value RIRDIFF) did not significantly change over six weeks of training.
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Date Issued
2022
PURL
http://purl.flvc.org/fau/fd/FA00014007
Subject Headings
Resistance Training, Resistance Training--methods, Weight training
Format
Document (PDF)
THE INFLUENCE OF REPETITIONS PER SET ON BACK SQUAT AND BENCH PRESS REPETITIONS IN RESERVE RATING ACCURACY
Title
THE INFLUENCE OF REPETITIONS PER SET ON BACK SQUAT AND BENCH PRESS REPETITIONS IN RESERVE RATING ACCURACY.
Creator
Pelland, Joshua C., Zourdos, Michael C., Florida Atlantic University, Department of Exercise Science and Health Promotion, College of Education
Abstract/Description
This study examined the effect of repetitions per set as a function of changing load (percentage of one-repetition maximum) on the accuracy of intraset repetitions in reserve (RIR) predictions in the back squat and bench press. Twelve resistance trained men completed three multi-set back squat and bench press training sessions that differed in the number of target repetitions (session 1: 10 repetitions; session 2: 8 repetitions; session 3: 6 repetitions). The last set of each session was...
Show moreThis study examined the effect of repetitions per set as a function of changing load (percentage of one-repetition maximum) on the accuracy of intraset repetitions in reserve (RIR) predictions in the back squat and bench press. Twelve resistance trained men completed three multi-set back squat and bench press training sessions that differed in the number of target repetitions (session 1: 10 repetitions; session 2: 8 repetitions; session 3: 6 repetitions). The last set of each session was performed until muscular failure in which subjects verbally indicated when they perceived 4 RIR and 1 RIR. For each RIR prediction, RIRDIFF [perceived RIR - actual RIR] was calculated. Differences in RIRDIFF were analyzed using both raw RIRDIFF (including positive and negative values) and absolute RIRDIFF (absolute values) via MANOVA and factorial ANOVA. The model controlled for the covariates session-type, percentage of 1RM, and total repetitions per set. Overall, RIR accuracy at the predicted 1 RIR was significantly greater (i.e., lower absolute RIRDIFF) than at the predicted 4 RIR in both the bench press (4 RIR: 1.00 ± 0.18 vs. 1 RIR: 0.69 ± 0.12; p = 0.028) and the squat (4 RIR: 1.43 ± 0.31 vs. 1 RIR: 0.79 ± 0.26; p = 0.007). No covariates significantly affected RIR accuracy (p = 0.085 – 0.518) at the predicted 1 RIR. However, at the predicted 4 RIR, the covariate repetitions per set affected raw RIRDIFF in both the squat (p = 0.007) and bench press (p < 0.001), indicating that subjects tended to overpredict RIR in lower repetition sets and underpredict RIR in higher repetition sets.
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Date Issued
2022
PURL
http://purl.flvc.org/fau/fd/FA00014004
Subject Headings
Resistance Training, Weight training, Exercise--Research
Format
Document (PDF)
THE ACCURACY OF PREDICTING ONE-REPETITION MAXIMUM FROM SUBMAXIMAL VELOCITY IN THE BACK SQUAT AND BENCH PRESS
Title
THE ACCURACY OF PREDICTING ONE-REPETITION MAXIMUM FROM SUBMAXIMAL VELOCITY IN THE BACK SQUAT AND BENCH PRESS.
Creator
Macarilla, Christian T., Zourdos, Michael C., Florida Atlantic University, Department of Exercise Science and Health Promotion, Charles E. Schmidt College of Science
Abstract/Description
This study examined the accuracy of predicting back squat and bench press one repetition maximum (1RM) from submaximal average concentric velocity (ACV).Seventeen resistance trained men performed a warm-up and 1RM test on the squat and bench press, in which ACV was assessed on all repetitions. The ACVs during the warmup closest to 1.0 and 0.5 m.s-1 were used in a 2-point linear regression forecast of 1RM and the ACVs established at the loads closest to 20, 50, 70, and 80% of 1RM were used in...
Show moreThis study examined the accuracy of predicting back squat and bench press one repetition maximum (1RM) from submaximal average concentric velocity (ACV).Seventeen resistance trained men performed a warm-up and 1RM test on the squat and bench press, in which ACV was assessed on all repetitions. The ACVs during the warmup closest to 1.0 and 0.5 m.s-1 were used in a 2-point linear regression forecast of 1RM and the ACVs established at the loads closest to 20, 50, 70, and 80% of 1RM were used in a 4-point 1RM prediction. An ANOVA indicated significant differences between predicted and actual 1RM for all predictions (p<0.001). Both Bland-Altman and Mountain plots confirmed the findings of the ANOVA as data were not tightly conformed to the respective zero difference lines. Therefore, these results suggest that a linear regression forecast using submaximal ACV does not accurately predict 1RM in the ¬back squat and bench press.
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Date Issued
2020
PURL
http://purl.flvc.org/fau/fd/FA00013525
Subject Headings
Velocity, Resistance Training--methods
Format
Document (PDF)
Myokine Cathepsin B Expression with Exercise Training in the 3xTg-AD Murine Model of Alzheimer’s Disease
Title
Myokine Cathepsin B Expression with Exercise Training in the 3xTg-AD Murine Model of Alzheimer’s Disease.
Creator
Paez, Hector G., Khamoui, Andy V., Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
This research investigated the relationship between exercise training and cathepsin B expression in the 3xTg-AD murine model of Alzheimer’s disease. 3xTg-AD mice were assigned to control (Tg, n=10), aerobic training (Tg+AT, n=10), or resistance training (Tg+RT, n=10). RotaRod peak latency and grip strength were assessed as preand post-measurements. Skeletal muscle was collected after training and analyzed for cathepsin B protein. Tg+RT showed greater grip strength than Tg and Tg+AT at...
Show moreThis research investigated the relationship between exercise training and cathepsin B expression in the 3xTg-AD murine model of Alzheimer’s disease. 3xTg-AD mice were assigned to control (Tg, n=10), aerobic training (Tg+AT, n=10), or resistance training (Tg+RT, n=10). RotaRod peak latency and grip strength were assessed as preand post-measurements. Skeletal muscle was collected after training and analyzed for cathepsin B protein. Tg+RT showed greater grip strength than Tg and Tg+AT at posttesting (p ≤ 0.05). Only Tg+AT showed an improvement in RotaRod peak latency (p ≤ 0.05). Gastrocnemius weight was greater in Tg+RT compared to Tg (p ≤ 0.05), and no differences were observed in cathepsin B or procathepsin B expression (p > 0.05). This data suggests that cathepsin B was not induced by either mode of exercise training, however, physical function and muscle mass were improved, therefore inclusion of both training modalities may address peripheral comorbidities in Alzheimer’s disease.
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Date Issued
2018
PURL
http://purl.flvc.org/fau/fd/FA00013092
Subject Headings
Cathepsins., Alzheimer's disease., Aerobic exercises., Resistance Training.
Format
Document (PDF)
Time-course of Muscle Damage and Performance Fatigue in the Squat, Bench Press, and Deadlift in Resistance Trained Men
Title
Time-course of Muscle Damage and Performance Fatigue in the Squat, Bench Press, and Deadlift in Resistance Trained Men.
Creator
Belcher, Daniel, Zourdos, Michael C., Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
This research examined the time-course of muscle damage in the squat, bench press, and deadlift. Ten resistance-trained males performed four sets to failure with 80% of one-repetition maximum (1RM) for each exercise on three separate weeks. Swelling, range of motion (ROM), delayed onset muscle soreness (DOMS), lactate dehydrogenase (LDH), creatine kinase (CK), and average concentric velocity (ACV) were assessed pretraining and at five timepoints post-training: -0, 24, 48, 72, and 96 hours....
Show moreThis research examined the time-course of muscle damage in the squat, bench press, and deadlift. Ten resistance-trained males performed four sets to failure with 80% of one-repetition maximum (1RM) for each exercise on three separate weeks. Swelling, range of motion (ROM), delayed onset muscle soreness (DOMS), lactate dehydrogenase (LDH), creatine kinase (CK), and average concentric velocity (ACV) were assessed pretraining and at five timepoints post-training: -0, 24, 48, 72, and 96 hours. Swelling (p<0.01) increased immediately post-training, and DOMS (p<0.01) increased at 24 hours post-training in the bench press condition. Additionally, DOMS increased at 48 hours in both squat and deadlift conditions (p<0.01). Squat and deadlift elevated CK immediately post-training (p<0.01), but LDH only increased in the squat post-training. Immediately post in the bench press ACV was decreased (p<0.01) along with in the squat for up to 72 hours (p<0.01), however, ACV did not change following the deadlift (p>0.05).
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Date Issued
2018
PURL
http://purl.flvc.org/fau/fd/FA00013053
Subject Headings
Resistance Training., Muscle Fatigue--physiology., Weight training--Physiological aspects.
Format
Document (PDF)
The Effects of Eccentric Phase Duration on Concentric Outcomes in the Squat and Bench Press
Title
The Effects of Eccentric Phase Duration on Concentric Outcomes in the Squat and Bench Press.
Creator
Carzoli, Joseph P., Zourdos, Michael C., Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
The purpose of this research was to investigate the effects of eccentric phase duration on concentric outcomes at 60% and 80% of one-repetition maximum (1RM) in the squat and bench press. Sixteen resistance-trained males completed four laboratory visits as follows: Day 1- 1RM testing; Day 2- establishment of normative eccentric durations; Days 3 and 4- randomized fast (0.75 times) or slow (2 times) eccentric duration variations, which were controlled by visual and auditory metronomes....
Show moreThe purpose of this research was to investigate the effects of eccentric phase duration on concentric outcomes at 60% and 80% of one-repetition maximum (1RM) in the squat and bench press. Sixteen resistance-trained males completed four laboratory visits as follows: Day 1- 1RM testing; Day 2- establishment of normative eccentric durations; Days 3 and 4- randomized fast (0.75 times) or slow (2 times) eccentric duration variations, which were controlled by visual and auditory metronomes. Eccentric duration was significantly and inversely correlated with average concentric velocity (ACV) at 60% (r = 0.408) and 80% (r = -0.477) of 1RM squat and at 100% of 1RM bench press. At 60% of 1RM squat, both fast and slow eccentric conditions produced greater (p<0.001) peak concentric velocity (PCV) than normative duration with fast also producing greater PCV than slow (p=0.044). Therefore, fast eccentric durations may benefit concentric velocity.
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Date Issued
2018
PURL
http://purl.flvc.org/fau/fd/FA00013055
Subject Headings
Weight training--Physiological aspects., Weight lifting--Physiological aspects., Resistance Training--methods.
Format
Document (PDF)
Caffeine enhances upper body strength in resistance-trained women
Title
Caffeine enhances upper body strength in resistance-trained women.
Creator
Goldstein, Erica R., Jacobs, Patrick L., Whitehurst, Michael, Penhollow, Tina, Antonio, Jose
Date Issued
2010-05-14
PURL
http://purl.flvc.org/fcla/dt/3327162
Subject Headings
Caffeine, Physical Endurance, Caffeine --administration & dosage, Athletic Performance, Muscle Strength, Resistence Training, Physical Performance
Format
Document (PDF)
Effects of Resistance and Aerobic Training on IGF-1 and BDNF Expression in a Murine Model of Alzheimer’s Disease
Title
Effects of Resistance and Aerobic Training on IGF-1 and BDNF Expression in a Murine Model of Alzheimer’s Disease.
Creator
Pena, Gabriel S., Whitehurst, Michael, Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
The primary purpose of this study was to investigate the effects of aerobic and resistance training on BDNF and IGF-I expression in a 3xTg-AD mouse model of Alzheimer’s disease. Twenty-four 3xTg-AD mice were randomly assigned to either an aerobic (AT, n=8), resistance (RT, n=8), or control (CNT, n=8) group. Intervention groups underwent 9 weeks of exercise training. Motor behavior and grip strength were measured pre- and post- intervention. Our results showed a significant increase in...
Show moreThe primary purpose of this study was to investigate the effects of aerobic and resistance training on BDNF and IGF-I expression in a 3xTg-AD mouse model of Alzheimer’s disease. Twenty-four 3xTg-AD mice were randomly assigned to either an aerobic (AT, n=8), resistance (RT, n=8), or control (CNT, n=8) group. Intervention groups underwent 9 weeks of exercise training. Motor behavior and grip strength were measured pre- and post- intervention. Our results showed a significant increase in hippocampal BDNF expression in AT mice after a 9-week intervention. Further, AT mice were found to have higher concentrations of IGF-I, and improved motor behavior when compared to RT and CNT. No significant differences were observed in IGF-I concentration between RT and other groups. RT improved grip strength after nine weeks of training. These findings support the use of AT and RT as a tool to improve comorbidities found in Alzheimer’s disease.
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Date Issued
2018
PURL
http://purl.flvc.org/fau/fd/FA00013094
Subject Headings
Alzheimer's disease., Insulin-Like Growth Factor I., Brain-Derived Neurotrophic Factor, Aerobic exercises., Resistance Training.
Format
Document (PDF)
ACUTE RESPONSE OF NEUROPROTECTIVE ASSOCIATED BIOMARKERS TO VARIOUS COMPOUND RESISTANCE EXERCISES IN WELL-TRAINED MEN
Title
ACUTE RESPONSE OF NEUROPROTECTIVE ASSOCIATED BIOMARKERS TO VARIOUS COMPOUND RESISTANCE EXERCISES IN WELL-TRAINED MEN.
Creator
Johnson, Trevor K., Zourdos, Michael C., Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
This study examined if multi-joint resistance exercises could elicit expression of biomarkers associated with neuroprotection. Thirteen well-trained males performed 4 sets to failure at 80% of a one-repetition maximum (1RM) on the back squat, bench press, and deadlift. The biomarkers measured immediately pre- and post-exercise were brain derived neurotrophic factor (BDNF), insulin-like growth factor 1 (IGF-1), cathepsin B (CatB), and interleukin 6 (IL-6). There was a main time effect (p0.05)....
Show moreThis study examined if multi-joint resistance exercises could elicit expression of biomarkers associated with neuroprotection. Thirteen well-trained males performed 4 sets to failure at 80% of a one-repetition maximum (1RM) on the back squat, bench press, and deadlift. The biomarkers measured immediately pre- and post-exercise were brain derived neurotrophic factor (BDNF), insulin-like growth factor 1 (IGF-1), cathepsin B (CatB), and interleukin 6 (IL-6). There was a main time effect (p<0.01) for BDNF with significant increases in the deadlift (p=0.01) and bench press (p=0.01) conditions, but not the squat (p=0.21). There was a main time effect (p<0.01) for IL-6 with a significant increase in the squat (p<0.01). There was no significant increase in CatB or IGF-1 (p>0.05). Additionally, there was no significant relationship between BDNF and IL-6 response.
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Date Issued
2019
PURL
http://purl.flvc.org/fau/fd/FA00013322
Subject Headings
Biomarkers, Neuroprotection, Resistance Training, Brain-Derived Neurotrophic Factor, Insulin-Like Growth Factor I, Cathepsin B, Interleukin-6, Men.
Format
Document (PDF)
INSIG2 gene polymorphism is associated with increased subcutaneous fat in women and poor response to resistance training in men
Title
INSIG2 gene polymorphism is associated with increased subcutaneous fat in women and poor response to resistance training in men.
Creator
Orkunoglu-Suer, Funda E., Gordish-Dressman, Heather, Clarkson, Priscilla M., Thompson, Paul D., Angelopoulos, Theodore J., Gordon, Paul M., Moyna, Niall M., Pescatello, Linda S., Visich, Paul S., Zoeller, Robert F., Harmon, Brennan, Seip, Richard L., Hoffman, Eric P., Devaney, Joseph M.
Date Issued
2008-12-23
PURL
http://purl.flvc.org/fcla/dt/3327172
Subject Headings
Adiposity --genetics, Alleles, Gene Frequency, Intracellular Signaling Peptides and Proteins, Resistance Training, Subcutaneous Fat, INSIG2 protein, Obesity, Genotype, Membrane Proteins, Membrane Proteins --Genetics
Format
Document (PDF)
Glycine propionyl-L-carnitine produces enhanced anaerobic work capacity with reduced lactate accumulation in resistance trained males
Title
Glycine propionyl-L-carnitine produces enhanced anaerobic work capacity with reduced lactate accumulation in resistance trained males.
Creator
Jacobs, Patrick L., Goldstein, Erica R., Blackburn, Will, Orem, Ihsan, Hughes, John J.
Date Issued
2009-04-02
PURL
http://purl.flvc.org/fcla/dt/3327165
Subject Headings
Exercise Physiology, Glycine --Pharmacodynamics, Nitric Oxide --Metabolism, Carnitine --Pharmacology, Physical Endurance, Athletic Performance, Dietary Supplementation, Exercise Physiology --Drug Effects, Resistence Training
Format
Document (PDF)