Between-Leg Mechanical Differences as Measured by the Bulgarian Split-Squat: Exploring Asymmetries and Relationships with Sprint Acceleration
Between-leg strength differences can negatively influence sprint acceleration. The challenge is to find a method to measure this within a unilateral exercise. This study analyzed a five repetition-maximum (5RM) Bulgarian split-squat (BSS) to identify between-leg differences for the dominant and non-...
| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2017-09-01
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| Series: | Sports |
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| Online Access: | https://www.mdpi.com/2075-4663/5/3/65 |
| _version_ | 1798003472036003840 |
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| author | Robert G. Lockie Fabrice G. Risso Adrina Lazar Dominic V. Giuliano Alyssa A. Stage Tricia M. Liu Megan D. Beiley Jillian M. Hurley Ibett A. Torne John J. Stokes Samantha A. Birmingham-Babauta DeShaun L. Davis Ashley J. Orjalo Matthew R. Moreno |
| author_facet | Robert G. Lockie Fabrice G. Risso Adrina Lazar Dominic V. Giuliano Alyssa A. Stage Tricia M. Liu Megan D. Beiley Jillian M. Hurley Ibett A. Torne John J. Stokes Samantha A. Birmingham-Babauta DeShaun L. Davis Ashley J. Orjalo Matthew R. Moreno |
| author_sort | Robert G. Lockie |
| collection | DOAJ |
| description | Between-leg strength differences can negatively influence sprint acceleration. The challenge is to find a method to measure this within a unilateral exercise. This study analyzed a five repetition-maximum (5RM) Bulgarian split-squat (BSS) to identify between-leg differences for the dominant and non-dominant legs in peak and mean power, force, and velocity as measured by a linear position transducer. Between-leg differences in these variables were correlated with 20-m (0–5, 0–10, 0–20 m intervals) sprint velocity. Eight men were assessed in the 5RM BSS and 20-m sprint. T-tests calculated between-leg differences in power, force, and velocity. Spearman’s correlations calculated relationships between the between-leg differences in the mechanical variables with velocity over each interval. When comparing the dominant and non-dominant legs, there were significant (p = 0.002–0.056) differences in 11 of 12 variables. However, percentage differences were low (~0.3–12%). There was one large, non-significant correlation (best repetition mean force between-leg difference and 0–5 m velocity; ρ = −0.810) out of 36 relationships. The BSS can provide a profile of between-leg differences in power, force, and velocity. There were limited relationships between the BSS between-leg differences and 20-m sprint velocities. Smaller between-leg differences in BSS power, force, and velocity could ensure minimal impact on acceleration. |
| first_indexed | 2024-04-11T12:08:10Z |
| format | Article |
| id | doaj.art-1e7d62824cec4768b27ed863c088b307 |
| institution | Directory Open Access Journal |
| issn | 2075-4663 |
| language | English |
| last_indexed | 2024-04-11T12:08:10Z |
| publishDate | 2017-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sports |
| spelling | doaj.art-1e7d62824cec4768b27ed863c088b3072022-12-22T04:24:40ZengMDPI AGSports2075-46632017-09-01536510.3390/sports5030065sports5030065Between-Leg Mechanical Differences as Measured by the Bulgarian Split-Squat: Exploring Asymmetries and Relationships with Sprint AccelerationRobert G. Lockie0Fabrice G. Risso1Adrina Lazar2Dominic V. Giuliano3Alyssa A. Stage4Tricia M. Liu5Megan D. Beiley6Jillian M. Hurley7Ibett A. Torne8John J. Stokes9Samantha A. Birmingham-Babauta10DeShaun L. Davis11Ashley J. Orjalo12Matthew R. Moreno13Department of Kinesiology, California State University, Fullerton, CA, 92831, USADepartment of Kinesiology, California State University, Fullerton, CA, 92831, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Northridge, CA, 91330, USADepartment of Kinesiology, California State University, Fullerton, CA, 92831, USADepartment of Kinesiology, California State University, Fullerton, CA, 92831, USADepartment of Kinesiology, California State University, Fullerton, CA, 92831, USABetween-leg strength differences can negatively influence sprint acceleration. The challenge is to find a method to measure this within a unilateral exercise. This study analyzed a five repetition-maximum (5RM) Bulgarian split-squat (BSS) to identify between-leg differences for the dominant and non-dominant legs in peak and mean power, force, and velocity as measured by a linear position transducer. Between-leg differences in these variables were correlated with 20-m (0–5, 0–10, 0–20 m intervals) sprint velocity. Eight men were assessed in the 5RM BSS and 20-m sprint. T-tests calculated between-leg differences in power, force, and velocity. Spearman’s correlations calculated relationships between the between-leg differences in the mechanical variables with velocity over each interval. When comparing the dominant and non-dominant legs, there were significant (p = 0.002–0.056) differences in 11 of 12 variables. However, percentage differences were low (~0.3–12%). There was one large, non-significant correlation (best repetition mean force between-leg difference and 0–5 m velocity; ρ = −0.810) out of 36 relationships. The BSS can provide a profile of between-leg differences in power, force, and velocity. There were limited relationships between the BSS between-leg differences and 20-m sprint velocities. Smaller between-leg differences in BSS power, force, and velocity could ensure minimal impact on acceleration.https://www.mdpi.com/2075-4663/5/3/65forcepowervelocitysingle-legsprintingunilateral strength |
| spellingShingle | Robert G. Lockie Fabrice G. Risso Adrina Lazar Dominic V. Giuliano Alyssa A. Stage Tricia M. Liu Megan D. Beiley Jillian M. Hurley Ibett A. Torne John J. Stokes Samantha A. Birmingham-Babauta DeShaun L. Davis Ashley J. Orjalo Matthew R. Moreno Between-Leg Mechanical Differences as Measured by the Bulgarian Split-Squat: Exploring Asymmetries and Relationships with Sprint Acceleration Sports force power velocity single-leg sprinting unilateral strength |
| title | Between-Leg Mechanical Differences as Measured by the Bulgarian Split-Squat: Exploring Asymmetries and Relationships with Sprint Acceleration |
| title_full | Between-Leg Mechanical Differences as Measured by the Bulgarian Split-Squat: Exploring Asymmetries and Relationships with Sprint Acceleration |
| title_fullStr | Between-Leg Mechanical Differences as Measured by the Bulgarian Split-Squat: Exploring Asymmetries and Relationships with Sprint Acceleration |
| title_full_unstemmed | Between-Leg Mechanical Differences as Measured by the Bulgarian Split-Squat: Exploring Asymmetries and Relationships with Sprint Acceleration |
| title_short | Between-Leg Mechanical Differences as Measured by the Bulgarian Split-Squat: Exploring Asymmetries and Relationships with Sprint Acceleration |
| title_sort | between leg mechanical differences as measured by the bulgarian split squat exploring asymmetries and relationships with sprint acceleration |
| topic | force power velocity single-leg sprinting unilateral strength |
| url | https://www.mdpi.com/2075-4663/5/3/65 |
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