Adaption of Maximal Glycolysis Rate after Resistance Exercise with
                    Different Volume Load

Nitzsche, Nico; Lenz, J; Voronoi, Pjotr; Schulz, Henry

doi:10.1055/a-1146-4236

Cited by 7 publications

(5 citation statements)

References 36 publications

(48 reference statements)

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“…Due to the reduction of enzymes of the energy metabolism in muscle dystrophy, the activity of glycolysis is slowed down [22] . The anaerobic isokinetic strength test in case 1 showed a 6-fold reduced maximum glycolysis rate at the pretest when compared to healthy subjects [28] . The posttest showed a significant increase in the glycolysis rate.…”

Section: Resultsmentioning

confidence: 80%

See 1 more Smart Citation

Progressive exercise therapy in muscle dystrophy: two case studies in adult patients with DM2 and LGMD2D

Biology¹,

Chemnitz²,

Weg³

et al. 2021

IJSMR

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These two case studies aimed to investigate the effect and acceptance of progressive strength training in patients with muscular dystrophy. Case 1 completed a progressive resistance exercise over 12 weeks. The results showed increases in leg extensor strength, hand strength and balance. Furthermore, the anaerobic test showed an increase in the maximum glycolysis rate. Creatine kinase levels were reduced while maintaining low muscle soreness. Case 2 conducted seven weeks of electronically assisted strength training and electromyostimulation. In the course of the training, an increase in the self-contribution of the performance in the execution of movement was observed in the assisted strength training. Furthermore, an increase in the intensity of external stimuli was observed. The creatine kinase showed a reduction with physiological behavior of muscle soreness. The results demonstrate the acceptance and feasibility of progressive exercise protocols used to increase performance in two cases of muscular dystrophy.

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Section: Resultsmentioning

confidence: 80%

“…The posttest showed a significant increase in the glycolysis rate. Studies in which multi-week resistance training was performed showed an increase in glycolytic enzymes and the maximum glycolysis rate [15,28] .…”

Section: Resultsmentioning

confidence: 99%

Progressive exercise therapy in muscle dystrophy: two case studies in adult patients with DM2 and LGMD2D

Biology¹,

Chemnitz²,

Weg³

et al. 2021

IJSMR

View full text Add to dashboard Cite

show abstract

“…Therefore, some approaches showed that resistance training was able to increase ν La.max [ 71 ] and that a reduction in training volume may enhance glycolytic capacity and anaerobic performance [ 72 ]. Additionally, hypoxic training methods such as intermittent hypoxic training (IHT) can be effective training strategies to increase anaerobic performance [ 73 ].…”

Section: Discussionmentioning

confidence: 99%

Diagnostics of νLa.max and Glycolytic Energy Contribution Indicate Individual Characteristics of Anaerobic Glycolytic Energy Metabolism Contributing to Rowing Performance

Schünemann

Park

Wawer³

et al. 2023

Metabolites

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The diagnostics of anaerobic glycolytic metabolism which play a subordinate role in elite rowing and parameters such as maximum lactate accumulation rate (νLa.max) have thus far not been associated with ergometer rowing performance. The aim of the study was to quantify the glycolytic energy metabolism (WGly) during a 2000 m ergometer rowing time trial (RTT) and νLa.max during a 10 s maximum ergometer rowing sprint test (RST) and to unravel associations between those variables and RTT performance. Combined post-exercise lactate measurements and oxygen uptake after RST and RTT were used to determine νLa.max and glycolytic energy contribution (WGly) in seven male and three female German U 23 national rowers (N = 10, 19.8 ± 0.9 years, 183.2 ± 7.0 cm height, 79.9 ± 13.3 kg body mass, 16.4 ± 5.1 % body fat). WGly during RTT ranged from 7 to 15.5% and νLa.max between 0.25 and 0.66 mmol∙L−1∙s−1. νLa.max correlated with WGly (p < 0.05, r = 0.74) and the mechanical power output (W) for the first 300 m (300first) during RTT (p < 0.05, r = 0.67). νLa.max further correlated with ∆300first−last (W) for the first and last 300 m (300last) during RTT (p < 0.01, r = 0.87) and also within the subgroup of male rowers. νLa.max displays a wide spectrum of individual differences in rowers. Due to this and its correlation to specific phases of RTT, it contributes to an individual energetic performance profile in rowing. Future studies must undermine the role of νLa.max for exercise performance and whether it serves as a marker that can be specifically targeted for a training-induced increase or decrease.

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“…The reduced

values in our study are in accordance with previous research in ultra-endurance cycling, demonstrating a decrease in

during a prolonged period of high-volume low-intensity training ( 65 ). Since

was found to be increased by various forms of resistance exercise ( 66 ), an intensified fine-tuning of strength and sport-specific training contents was applied. Our preliminary findings demonstrated that

is affected by exercise modality, highest in swimming and lowest in wheelchair racing, which might be due to the usage of muscle mass.…”

Section: Discussionmentioning

confidence: 99%

Case Report: Training Monitoring and Performance Development of a Triathlete With Spinal Cord Injury and Chronic Myeloid Leukemia During a Paralympic Cycle

Quittmann

Lenatz

Bartsch

et al. 2022

Front. Rehabilit. Sci.

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IntroductionParatriathlon allows competition for athletes with various physical impairments. The wheelchair category stands out from other paratriathlon categories, since competing in swimming, handcycling, and wheelchair racing entails substantial demands on the upper extremity. Therefore, knowledge about exercise testing and training is needed to improve performance and avoid overuse injuries. We described the training monitoring and performance development throughout a Paralympic cycle of an elite triathlete with spinal cord injury (SCI) and a recent diagnosis of chronic myeloid leukemia (CML).Case Presentation/MethodsA 30-year-old wheelchair athlete with 10-years experience in wheelchair basketball contacted us for guidance regarding testing and training in paratriathlon. Laboratory and field tests were modified from protocols used for testing non-disabled athletes to examine their physical abilities. In handcycling, incremental tests were used to monitor performance development by means of lactate threshold (POBLA) and define heart rate-based training zones. All-out sprint tests were applied to calculate maximal lactate accumulation rate (V˙Lamax) as a measure of glycolytic capabilities in all disciplines. From 2017 to 2020, training was monitored to quantify training load (TL) and training intensity distribution (TID).ResultsFrom 2016 to 2019, the athlete was ranked within the top ten at the European and World Championships. From 2017 to 2019, annual TL increased from 414 to 604 h and demonstrated a shift in TID from 77-17-6% to 88-8-4%. In this period, POBLA increased from 101 to 158 W and V˙Lamax decreased from 0.56 to 0.36 mmol·l−1·s−1. TL was highest during training camps. In 2020, after he received his CML diagnosis, TL, TID, and POBLA were 317 h, 94-5-1%, and 108 W, respectively.DiscussionTL and TID demonstrated similar values when compared with previous studies in para-swimming and long-distance paratriathlon, respectively. In contrast, relative TL during training camps exceeded those described in the literature and was accompanied by physical stress. Increased volumes at low intensity are assumed to increase POBLA and decrease V˙Lamax over time. CML treatment and side effects drastically decreased TL, intensity, and performance, which ultimately hindered a qualification for Tokyo 2020/21. In conclusion, there is a need for careful training prescription and monitoring in wheelchair triathletes to improve performance and avoid non-functional overreaching.

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Adaption of Maximal Glycolysis Rate after Resistance Exercise with Different Volume Load

Cited by 7 publications

References 36 publications

Progressive exercise therapy in muscle dystrophy: two case studies in adult patients with DM2 and LGMD2D

Progressive exercise therapy in muscle dystrophy: two case studies in adult patients with DM2 and LGMD2D

Diagnostics of νLa.max and Glycolytic Energy Contribution Indicate Individual Characteristics of Anaerobic Glycolytic Energy Metabolism Contributing to Rowing Performance

Case Report: Training Monitoring and Performance Development of a Triathlete With Spinal Cord Injury and Chronic Myeloid Leukemia During a Paralympic Cycle

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