Analysis of the Force-Velocity Profile in Female Ballet Dancers

2020 ◽  
Vol 24 (2) ◽  
pp. 59-65
Author(s):  
Juan Antonio Escobar Álvarez ◽  
Pedro Jiménez Reyes ◽  
Miguel Ángel Pérez Sousa ◽  
Filipe Conceição ◽  
Juan Pedro Fuentes García
Keyword(s):  
Velocity Profile ◽  
Relevant Parameter ◽  
Strength And Conditioning ◽  
Dance Performance ◽  
Jump Performance ◽  
Ballet Dancers ◽  
Dance Training ◽  
Optimal Force ◽  
Force Velocity ◽  
The Relationship

Jumping ability has been identified as one of the best predictors of dance performance. The latest findings in strength and conditioning research suggest that the relationship between force and velocity mechanical capabilities, known as the force-velocity profile, is a relevant parameter for the assessment of jumping ability. In addition, previous investigations have suggested the existence of an optimal force-velocity profile for each individual that maximizes jump performance. Given the abundance of ballistic actions in ballet (e.g., jumps and changes of direction), quantification of the mechanical variables of the force-velocity profile could be beneficial for dancers as a guide to specific training regimens that can result in improvement of either maximal force or velocity capabilities. The aim of this study was to compare the mechanical variables of the force-velocity profile during jumping in different company ranks of ballet dancers. Eighty-seven female professional ballet dancers (age: 18.94 ± 1.32 years; height: 164.41 ± 8.20 cm; weight: 56.3 ± 5.86 kg) showed high force deficits (> 40%) or low force deficits (10% to 40%) regardless of their company rank. Our results suggest that dance training mainly develops velocity capabilities, and due to the high number of dramatic elevations that dance performance requires, supplemental individualized force training may be beneficial for dancers. The individualization of training programs addressed to the direction of each individual's imbalance (high force or low force) could help dancers and their teachers to improve jump height and therefore dance performance.

Optimal Force–Velocity Profile in Ballistic Movements—Altius

2012 ◽  
Vol 44 (2) ◽  
pp. 313-322 ◽  
Author(s):  
PIERRE SAMOZINO ◽  
ENRICO REJC ◽  
PIETRO ENRICO DI PRAMPERO ◽  
ALAIN BELLI ◽  
JEAN-BENOÎT MORIN
Keyword(s):  
Velocity Profile ◽  
Optimal Force ◽  
Force Velocity ◽  
Ballistic Movements

scholarly journals Force-velocity profiling is a misnomer: Load-jump height profiling would be a better name

2019 ◽  
Author(s):  
Daniel Cleather
Keyword(s):  
Velocity Profile ◽  
Theoretical Biology ◽  
Jump Height ◽  
Jump Performance ◽  
Theoretical Paper ◽  
Force Velocity

In recent years a method known as force-velocity profiling has become popular for evaluating jump performance under differing loads (Morin and Samozino, 2016; Samozino et al., 2008, 2010, 2012, 2014). The method draws support from a theoretical paper that was published in Journal of Theoretical Biology (Samozino et al., 2010). Unfortunately, there are errors in the mathematics of said paper which reveal that the method certainly cannot be characterised as giving a force-velocity profile.

scholarly journals Kettlebell Training for Female Ballet Dancers: Effects on Lower Limb Power and Body Balance

2020 ◽  
Vol 74 (1) ◽  
pp. 15-22
Author(s):  
Davide Grigoletto ◽  
Giuseppe Marcolin ◽  
Elena Borgatti ◽  
Fabio Zonin ◽  
James Steele ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Body Height ◽  
Control Group ◽  
Jump Performance ◽  
Ballet Dancers ◽  
Classical Dance ◽  
Dance Training ◽  
Eyes Open ◽  
Classical Ballet

Abstract The aim of the present study was to evaluate the effects of 5 month kettlebell-based training on jumping performance, balance, blood pressure and heart rate in female classical ballet dancers. It was a clinical trial study with 23 female dancers (age = 21.74 ± 3.1 years; body height = 168.22 ± 5.12 cm; body mass = 53.69 ± 5.91 kg) took part in the study. Participants were divided into two groups: a kettlebell group (n = 13), that followed a commercial kettlebell training protocol named the “Simple & Sinister protocol”, and a traditional dance training control group (n = 10). In the kettlebell group, kettlebell training completely replaced the jump and balance section of dance classes. Both groups performed balance and jumping tests before and after the training period. Blood pressure and the heart rate were also measured. The kettlebell group showed significant improvements in the balance tests (antero-posterior and medio-lateral oscillation) with both legs and eyes open as well as in all types of jump exercises (unrotated: +39.13%, p < 0.005; with a turnout: +53.15%, p < 0.005), while maximum and minimum blood pressure and the heart rate decreased significantly (max: -7.90%, p < 0.05; min: -9.86%, p < 0.05; Heart rate: -17.07%, p < 0.01). The results for the control group were non-significant for any variable. Comparison between groups showed significant differences for all variables analyzed, with greater improvements for the kettlebell group. Our results suggest that specific kettlebell training could be effective in improving jump performance and balance in classical dancers to a significantly greater degree compared to classical dance training.

scholarly journals The Relationship of Maximal Strength with the Force-Velocity Profile in Resistance Trained Women

2021 ◽  
Vol 18 (5) ◽  
pp. 173-185
Author(s):  
Gergely Pálinkás ◽  
Bettina Béres ◽  
Zsófia Tróznai ◽  
Katinka Utczás ◽  
Leonidas Petridis
Keyword(s):  
Velocity Profile ◽  
Maximal Strength ◽  
Force Velocity ◽  
Relationship Of ◽  
The Relationship

Effects of two drop-jump protocols with different volumes on vertical jump performance and its association with the force–velocity profile

2019 ◽  
Vol 120 (2) ◽  
pp. 317-324
Author(s):  
Andrés Baena-Raya ◽  
Sergio Sánchez-López ◽  
Manuel A. Rodríguez-Pérez ◽  
Amador García-Ramos ◽  
Pedro Jiménez-Reyes
Keyword(s):  
Velocity Profile ◽  
Vertical Jump ◽  
Drop Jump ◽  
Jump Performance ◽  
Force Velocity

scholarly journals The force-velocity profile as determinant of spike and serve ball speed in top-level male volleyball players

PLoS ONE ◽  
2021 ◽  
Vol 16 (4) ◽  
pp. e0249612
Author(s):  
Andrés Baena-Raya ◽  
Alberto Soriano-Maldonado ◽  
Manuel A. Rodríguez-Pérez ◽  
Antonio García-de-Alcaraz ◽  
Manuel Ortega-Becerra ◽  
...  
Keyword(s):  
Bench Press ◽  
Training Programs ◽  
Practical Interest ◽  
Maximal Velocity ◽  
Strength And Conditioning ◽  
Ball Speed ◽  
Vertical Jumping ◽  
Volleyball Players ◽  
Force Velocity ◽  
The Relationship

Understanding the relationship between mechanical variables derived from actions such as jumping, sprinting, or ballistic bench press throwing and sport-specific performance moves is of scientific and practical interest for strength and conditioning coaches for improving training programs. We examined the association between mechanical variables derived from the force-velocity (FV) profiles of the aforementioned actions and spike and serve ball speeds in elite volleyball players. Twenty-two male elite volleyball players (age: 24.3 ± 4.5 years; height: 1.89 ± 0.06 m; body mass: 86.3 ± 8.6 kg) were tested in two sessions. Squatting, sprinting, and bench press throwing FV profiles were determined in the first session, while spike and serve ball speeds were assessed in the second session. The theoretical maximal force (F0) of vertical jumping, the theoretical maximal velocity of sprinting, and the F0 of bench press throwing in ascending order, were strongly associated (rs range 0.53–0.84; p<0.05) with spike and serve ball speeds. These mechanical variables explained 20%-36% of the variability in spike and serve ball speeds, with a greater influence on the serve speed. These results suggest that assessing jumping, sprinting, and bench press throwing force-velocity profiles might help provide player-specific training programs and optimize performance in these technical-tactical actions in male elite volleyball players.

scholarly journals Evaluating the Effects of Sediment Transport on Pipe Flow Resistance

Water ◽  
2021 ◽  
Vol 13 (15) ◽  
pp. 2091
Author(s):  
Vito Ferro ◽  
Alessio Nicosia
Keyword(s):  
Velocity Profile ◽  
Pipe Flow ◽  
Power Distribution ◽  
Flow Resistance ◽  
Unit Length ◽  
Particle Diameter ◽  
Self Similarity ◽  
Sediment Size ◽  
The Mean ◽  
The Relationship

In this paper, the applicability of a theoretical flow resistance law to sediment-laden flow in pipes is tested. At first, the incomplete self-similarity (ISS) theory is applied to deduce the velocity profile and the corresponding flow resistance law. Then the available database of measurements carried out by clear water and sediment-laden flows with sediments having a quasi-uniform sediment size and three different values of the mean particle diameter Dm (0.88 mm, 0.41 mm and 0.30 mm) are used to calibrate the parameter of the power-velocity profile). The fitting of the measured local velocity to the power distribution demonstrates that (i) for clear flow the exponent δ) can be estimated by the equation of Castaing et al. and (ii) for the sediment-laden flows δ is related to the diameter Dm. A relationship for estimating the parameter Гv obtained by the power-velocity profile) and that Гf of the flow resistance law) is theoretically deduced. The relationship between the parameter Гv, the head loss per unit length and the pipe flow Froude number is also obtained by the available sediment-laden pipe flow data. Finally, the procedure to estimate the Darcy–Weisbach friction factor is tested by the available measurements.

Anodal transcranial direct current stimulation enhances strength training volume but not the force–velocity profile

2020 ◽  
Vol 120 (8) ◽  
pp. 1881-1891 ◽  
Author(s):  
Carlos Alix-Fages ◽  
Amador García-Ramos ◽  
Giancarlo Calderón-Nadal ◽  
David Colomer-Poveda ◽  
Salvador Romero-Arenas ◽  
...  
Keyword(s):  
Velocity Profile ◽  
Strength Training ◽  
Direct Current ◽  
Transcranial Direct Current Stimulation ◽  
Training Volume ◽  
Direct Current Stimulation ◽  
Force Velocity

scholarly journals Embodying the Site: the Here and Now in Site-Specific Dance Performance

2005 ◽  
Vol 21 (4) ◽  
pp. 367-381 ◽  
Author(s):  
Victoria Hunter
Keyword(s):  
Creative Process ◽  
Dance Performance ◽  
Site Specific ◽  
The Creation ◽  
Spirit Of Place ◽  
The Moment ◽  
The University ◽  
The Relationship

In this article, Victoria Hunter explores the concept of the ‘here and now’ in the creation of site-specific dance performance, in response to Doreen Massey's questioning of the fixity of the concept of the ‘here and now’ during the recent RESCEN seminar on ‘Making Space’, in which she challenged the concept of a singular fixed ‘present’, suggesting instead that we exist in a constant production of ‘here and nows’ akin to ‘being in the moment’. Here the concept is applied to an analysis of the author's recent performance work created as part of a PhD investigation into the relationship between the site and the creative process in site-specific dance performance. In this context the notion of the ‘here and now’ is discussed in relation to the concept of dance embodiment informed by the site and the genius loci, or ‘spirit of place’. Victoria Hunter is a Lecturer in Dance at the University of Leeds, who is currently researching a PhD in site-specific dance performance.

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