The Effect of Prior Upper Body Exercise on Subsequent Wingate Performance

Grant, Marie Clare; Robergs, Robert A.; Baird, Marianne; Baker, Julien S.

doi:10.1155/2014/329328

Cited by 16 publications

(16 citation statements)

References 25 publications

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“…Several authors suggest that reduced lower limb exercise tolerance after prior upper body exercise occurs because of accelerated development of peripheral fatigue caused by greater intramuscular metabolic perturbation (12,17,36,44,46,61). This notion is supported, indirectly, by the observation that prior high-intensity upper body exercise elevated leg muscle [La Ϫ ] and [H ϩ ] at the onset of isolated knee extensor exercise (11,12), accelerated the exercise-induced increase in interstitial [K ϩ ] (61), and reduced exercise tolerance (12,61).…”

Section: Discussionmentioning

confidence: 99%

“…The importance of sensory perception in influencing exercise tolerance is also evident in the striking ability of the RPE to predict the tolerable duration of exercise after prior fatiguing exercise (32), and at various exercise intensities (64), muscle glycogen concentrations (59), and ambient temperatures (24). Thus the rate of increase in RPE (⌬RPE/⌬time), and possibly dyspnea (⌬dyspnea/⌬time) may be considered major contributors to the attainment of a "critical sensory tolerance limit" (35, 57) and subsequent cessation of exercise.Several studies have also shed light on the determinants of exercise tolerance by showing reduced lower body exercise tolerance after prior high-intensity upper body exercise (12, 17,36,44,46,47,61). This has been attributed to an accelerated development of peripheral locomotor muscle fatigue secondary to faster intramuscular metabolite (i.e., K ϩ , H ϩ , and La Ϫ ) accumulation, resulting from the prior upper body exercise.…”

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confidence: 99%

“…Several studies have also shed light on the determinants of exercise tolerance by showing reduced lower body exercise tolerance after prior high-intensity upper body exercise (12, 17,36,44,46,47,61). This has been attributed to an accelerated development of peripheral locomotor muscle fatigue secondary to faster intramuscular metabolite (i.e., K ϩ , H ϩ , and La Ϫ ) accumulation, resulting from the prior upper body exercise.…”

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confidence: 99%

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Locomotor muscle fatigue is not critically regulated after prior upper body exercise

Johnson

Sharpe

Williams

et al. 2015

Journal of Applied Physiology

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This study examined the effects of prior upper body exercise on subsequent high-intensity cycling exercise tolerance and associated changes in neuromuscular function and perceptual responses. Eight men performed three fixed work-rate (85% peak power) cycling tests: 1) to the limit of tolerance (CYC); 2) to the limit of tolerance after prior high-intensity arm-cranking exercise (ARM-CYC); and 3) without prior exercise and for an equal duration as ARM-CYC (ISOTIME). Peripheral fatigue was assessed via changes in potentiated quadriceps twitch force during supramaximal electrical femoral nerve stimulation. Voluntary activation was assessed using twitch interpolation during maximal voluntary contractions. Cycling time during ARM-CYC and ISOTIME (4.33 ± 1.10 min) was 38% shorter than during CYC (7.46 ± 2.79 min) (P < 0.001). Twitch force decreased more after CYC (-38 ± 13%) than ARM-CYC (-26 ± 10%) (P = 0.004) and ISOTIME (-24 ± 10%) (P = 0.003). Voluntary activation was 94 ± 5% at rest and decreased after CYC (89 ± 9%, P = 0.012) and ARM-CYC (91 ± 8%, P = 0.047). Rating of perceived exertion for limb discomfort increased more quickly during cycling in ARM-CYC [1.83 ± 0.46 arbitrary units (AU)/min] than CYC (1.10 ± 0.38 AU/min, P = 0.003) and ISOTIME (1.05 ± 0.43 AU/min, P = 0.002), and this was correlated with the reduced cycling time in ARM-CYC (r = -0.72, P = 0.045). In conclusion, cycling exercise tolerance after prior upper body exercise is potentially mediated by central fatigue and intolerable levels of sensory perception rather than a critical peripheral fatigue limit.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Locomotor muscle fatigue is not critically regulated after prior upper body exercise

Johnson

Sharpe

Williams

et al. 2015

Journal of Applied Physiology

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“…Therefore, knowledge of TB Tm during cycling via the iDISK technique will be valuable for training and performance enhancement. On the other hand, we chose to provide an iDISK estimation model for the TRAP, because it is continuously active during cycling (35), and, when fatigued, it can attenuate cycling performance (23). Yet the TRAP is only submaximally activated during cycling (24), a finding that is confirmed by our data showing exercise-induced increases of Ͻ1.5°C in this muscle, compared with the ϳ3.5°C increase in VL Tm during exercise.…”

Section: Discussionmentioning

confidence: 73%

“…The VL was chosen because it is the most important muscle of the leg cycling action (1,27). The TB was chosen given its relative importance in cycling in terms of supporting the upper body (1,27), while the TRAP was selected because it is continuously active during cycling (35), and, when fatigued, it can attenuate cycling performance (23). Based on previous data suggesting that the iDISK can be used as an indicator of Tm during steady-state rest in a thermoneutral environment (3), our hypothesis was that the generated iDISK-based estimation models would provide valid noninvasive estimations of VL, TB, and TRAP Tm during rest, cycling exercise, and postexercise recovery.…”

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Noninvasive assessment of muscle temperature during rest, exercise, and postexercise recovery in different environments

Flouris

Webb²,

Kenny

2015

Journal of Applied Physiology

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Flouris AD, Webb P, Kenny GP. Noninvasive assessment of muscle temperature during rest, exercise, and postexercise recovery in different environments. J Appl Physiol 118: 1310-1320, 2015. First published March 26, 2015 doi:10.1152/japplphysiol.00932.2014.-We introduced noninvasive and accurate techniques to estimate muscle temperature (Tm) of vastus lateralis (VL), triceps brachii (TB), and trapezius (TRAP) during rest, exercise, and postexercise recovery using the insulation disk (iDISK) technique. Thirty-six volunteers (24 men, 12 women; 73.0 Ϯ 12.2 kg; 1.75 Ϯ 0.07 m; 24.4 Ϯ 5.5 yr; 49.2 Ϯ 6.8 ml·kg Ϫ1 ·min Ϫ1 peak oxygen uptake) underwent periods of rest, cycling exercise at 40% of peak oxygen uptake, and postexercise recovery in three environments: Normal (24°C, 56% relative humidity), Hot-Humid (30°C, 60% relative humidity), and Hot-Dry (40°C, 24% relative humidity). Participants were randomly allocated into the "model" and the "validation" groups. Stepwise regression analysis generated models that accurately predicted Tm (predTm) of VL (R 2 ϭ 0.73-0.91), TB (R 2 ϭ 0.85-0.93), and TRAP (R 2 ϭ 0.84 -0.86) using iDISK and the difference between the current iDISK temperature and that recorded between 1 and 4 min before. Cross-validation analyses in the validation group demonstrated small differences (P Ͻ 0.05) of no physiological significance, small effect size of the differences, and strong associations (r ϭ 0.85-0.97; P Ͻ 0.001) between Tm and predTm. Moreover, narrow 95% limits of agreement and low percent coefficient of variation were observed between Tm and predTm. It is concluded that the developed noninvasive, practical, and inexpensive techniques provide accurate estimations of VL, TB, and TRAP Tm during rest, cycling exercise, and postexercise recovery. intramuscular; insulation disk; vastus lateralis; triceps brachii; trapezius DURING EXERCISE, LARGE AMOUNTS of heat are produced in the exercising muscles, leading to increased muscle temperature (Tm) (22). This occurs within the first few seconds of repeated muscle contraction, confirming that Tm is a robust indicator of muscle metabolism. In this light, the strong link between Tm and exercise performance is not surprising. Indeed, a number of studies have shown that Tm is the most important factor in determining the outcome of exercise performance, especially during short-term high-intensity exercise (36 -38, 41). In addition, a 2-5% variation (depending on the contraction type and velocity) in performance has been proposed as a consequence of a change in Tm by 1°C (41). Therefore, knowledge of Tm during work and exercise is crucial to attain performance enhancements. In addition, Tm data have both clinical [in terms of assessing and refining postexercise recovery interventions (39)] and physiological [in terms of improving the assessment of thermometrically derived mean body temperature (26)] value, representing a much-needed source of information in human physiology.At present, measurement of Tm is a time-consuming, invasive, and expensive techniq...

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Peripheral and central fatigue after high intensity resistance circuit training

et al. 2017

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Introduction: The aim of this study was to investigate the effects of high intensity resistance circuit (HIRC) and traditional strength training (TST) on neuromuscular fatigue and metabolic responses. Methods: Twelve trained young subjects performed HIRC and TST in a counterbalanced order with 1 week rest in-between. The amount of workload and the interset time for each local muscle group were matched (180 s), however, the time between successive exercises differed. The twitch interpolation technique was used to test neuromuscular function of the knee extensor muscles. Blood lactate concentration was used to evaluate metabolic responses. Results: Maximum voluntary contraction and resting potentiated twitch amplitude (Q tw ) were significantly reduced after HIRC, but there were not changes after TST, while reductions in voluntary activation were similar. Lactate concentration increased significantly more after HIRC. Conclusions: The higher lactate concentration after HIRC probably impaired excitation-contraction coupling, indicating larger peripheral fatigue than after TST. 56: 152-159, 2017 Resistance training is an excellent method to enhance muscular hypertrophy, strength, power, and local muscular endurance. Although the physiological mechanisms underlying these changes remain unclear, disturbances in homeostasis associated with acute muscular fatigue could be the foundation of the strength adaptations. Muscle Nerve1 Therefore, muscular fatigue induced by a bout of resistance exercise could account for long-term muscular adaptations.

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The Effect of Prior Upper Body Exercise on Subsequent Wingate Performance

Cited by 16 publications

References 25 publications

Locomotor muscle fatigue is not critically regulated after prior upper body exercise

Locomotor muscle fatigue is not critically regulated after prior upper body exercise

Noninvasive assessment of muscle temperature during rest, exercise, and postexercise recovery in different environments

Peripheral and central fatigue after high intensity resistance circuit training

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