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Cited by 852Sports Performance and TrainingCardiovascular and exercise physiologyMuscle metabolism and nutrition

Velocity Loss as an Indicator of Neuromuscular Fatigue during Resistance Training

SÁNCHEZ-MEDINA, LUIS, GONZÁLEZ-BADILLO, JUAN JOSÉ·2011·Medicine & Science in Sports & Exercise
DOI 10.1249/mss.0b013e318213f880
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Abstract

Purpose This study aimed to analyze the acute mechanical and metabolic response to resistance exercise protocols (REP) differing in the number of repetitions (R) performed in each set (S) with respect to the maximum predicted number (P). Methods Over 21 exercise sessions separated by 48-72 h, 18 strength-trained males (10 in bench press (BP) and 8 in squat (SQ)) performed 1) a progressive test for one-repetition maximum (1RM) and load-velocity profile determination, 2) tests of maximal number of repetitions to failure (12RM, 10RM, 8RM, 6RM, and 4RM), and 3) 15 REP (S × R[P]: 3 × 6[12], 3 × 8[12], 3 × 10[12], 3 × 12[12], 3 × 6[10], 3 × 8[10], 3 × 10[10], 3 × 4[8], 3 × 6[8], 3 × 8[8], 3 × 3[6], 3 × 4[6], 3 × 6[6], 3 × 2[4], 3 × 4[4]), with 5-min interset rests. Kinematic data were registered by a linear velocity transducer. Blood lactate and ammonia were measured before and after exercise. Results Mean repetition velocity loss after three sets, loss of velocity pre-post exercise against the 1-m·s load, and countermovement jump height loss (SQ group) were significant for all REP and were highly correlated to each other (r = 0.91-0.97). Velocity loss was significantly greater for BP compared with SQ and strongly correlated to peak postexercise lactate (r = 0.93-0.97) for both SQ and BP. Unlike lactate, ammonia showed a curvilinear response to loss of velocity, only increasing above resting levels when R was at least two repetitions higher than 50% of P. Conclusions Velocity loss…

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  • When the last repetitions of a set are performed in the MaxV condition, only moderate levels of velocity loss and metabolic stress occur.

    “This implies that when the last repetitions of a set are being performed in the MaxV condition, only moderate levels of velocity loss and metabolic stress occur [ 12 , 32 ] .”

    From Effect of Movement Velocity during Resistance Training on Neuromuscular Performance (2014) · cites this paper as [32]

  • The observed values for these metabolites are very similar to those previously reported for RT protocols in which only half the maximum possible number of repetitions were performed in each training set.

    “The observed values for these metabolites are very similar to those previously reported for RT protocols in which only half the maximum possible number of repetitions were performed in each training set [ 32 ] .”

    From Effect of Movement Velocity during Resistance Training on Neuromuscular Performance (2014) · cites this paper as [32]

  • The metabolic stress and degree of fatigue induced by the RT protocols used in this investigation are far from those typically associated with exhaustive resistance training.

    “The metabolic stress and degree of fatigue induced by the RT protocols used in this investigation are far from those typically associated with exhaustive resistance training [ 12 , 32 ] .”

    From Effect of Movement Velocity during Resistance Training on Neuromuscular Performance (2014) · cites this paper as [32]

  • Acute systemic metabolic responses to RT can vary according to the degree of neuromuscular fatigue incurred during exercise.

    “RT has been shown to enhance energy expenditure and glucose regulation, yet the acute systemic metabolic responses can vary according to the degree of neuromuscular fatigue incurred during exercise (Pareja‐Blanco et al., 2017; Sánchez‐Medina & González‐Badillo, 2011).”

    From Acute systemic and energy metabolism responses to velocity-based resistance training following an oral glucose load in individuals with excess body weight (2026) · cites this paper as Sánchez‐Medina & González‐Badillo, 2011

  • RT enhances energy expenditure and glucose regulation.

    “RT has been shown to enhance energy expenditure and glucose regulation, yet the acute systemic metabolic responses can vary according to the degree of neuromuscular fatigue incurred during exercise (Pareja‐Blanco et al., 2017; Sánchez‐Medina & González‐Badillo, 2011).”

    From Acute systemic and energy metabolism responses to velocity-based resistance training following an oral glucose load in individuals with excess body weight (2026) · cites this paper as Sánchez‐Medina & González‐Badillo, 2011

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Authors
SÁNCHEZ-MEDINA, L., & GONZÁLEZ-BADILLO, J. J.
Venue
Medicine & Science in Sports & Exercise
Publisher
Ovid Technologies (Wolters Kluwer Health)
Published
2011-09
Volume
43
Issue
9
Pages
1725-1734
ISSN
0195-9131 (ISSN-L)
DOI
10.1249/mss.0b013e318213f880
OpenAlex
W1994124547
Cited by
852
References
36
Citations by year
2026: 85 · 2025: 77 · 2024: 91 · 2023: 86 · 2022: 105 · 2021: 73 · 2020: 76 · 2019: 67 · 2018: 40 · 2017: 51 · 2016: 30 · 2015: 28 · 2014: 18 · 2013: 9 · 2012: 8
FWCI
13.89
Type
journal article
Language
en
Open access
closed
Locations
  • Medicine & Science in Sports & Exercise (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
Keywords
resistance training, velocity loss, load-velocity profile, repetitions to failure, one-repetition maximum, blood lactate, blood ammonia, countermovement jump height, bench press, squatting, metabolic stress
MeSH terms
Adult, Ammonia, Biomechanical Phenomena, Exercise Test, Humans, Male, Weight Lifting, Reproducibility of Results, Muscle, Skeletal, Muscle Fatigue, Lactic Acid, Resistance Training, Young Adult

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