Relationship between isometric mid-thigh pull variables and sprint and change of direction performance in collegiate athletes

Thomas, Christopher R.; Comfort, Paul; Chiang, Chieh-Ying; Jones, Paul A.

doi:10.17338/trainology.4.1_6

Cited by 99 publications

(142 citation statements)

References 34 publications

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“…Secondly, to assess the within-session reliability of the unilateral stance IMTP PF measures. It was hypothesized that the relationships between IMTP strength variables and sprint, and CODS would be similar to those previously identified by Thomas et al 21 and Spiteri et al 19 because of the CODS tests used within the studies. It was further hypothesized that unilateral stance IMTP PF measures would demonstrate reliability values similar to those previously identified in the bilateral stance IMTP.…”

Section: Introductionmentioning

confidence: 61%

“…Tillin et al 23 found normalized peak force (PF) at 100 ms during an isometric back squat to correlate to 5-and 20-m sprint performance (r = − 0.54 to − 0.63) in varsity rugby union players. Further, Thomas et al 21 found a significant correlations between IMTP strength and sprint performance (r = − 0.57 to − 0.78) in collegiate athletes. Together, these studies indicate a strong association between maximal strength and sprint performance.…”

Section: Introductionmentioning

confidence: 95%

“…A number of studies have investigated the relationship between isometric strength-related variables and short sprint performance, demonstrating strong associations. 21,23,24 West et al 24 found significant correlations between isometric midthigh pull (IMTP) strength measures and 10 m sprint performance (r = − 0.54 to − 0.68). Tillin et al 23 found normalized peak force (PF) at 100 ms during an isometric back squat to correlate to 5-and 20-m sprint performance (r = − 0.54 to − 0.63) in varsity rugby union players.…”

Section: Introductionmentioning

confidence: 99%

“…16 Studies have used various methods to assess strength measures, including isometric, 18,19,21 isokinetic, 10,27 and free weight squats, 12,19 when investigating the relationship between strength and change of direction speed (CODS). Thomas et al 21 found strong, significant inverse correlations (r = − 0.57; p < 0.05) between isometric midthigh pull peak force (IMTP PF) and modified 505 (505mod) CODS in collegiate athletes. Similarly, Spiteri et al 19 demonstrated very strong, significant inverse associations (r = − 0.79; p < 0.01) between IMTP relative PF (PF/body mass) and 505 CODS in female basketball athletes.…”

Section: Introductionmentioning

confidence: 99%

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Relationship between Isometric Strength, Sprint, and Change of Direction Speed in Male Academy Cricketers

Thomas¹,

Dos’Santos²,

Comfort³

et al. 2016

Journal of Trainology

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Objectives:The aim of this investigation was to determine the relationships between isometric strength, sprint, and change of direction speed (CODS) performance in academy cricketers. Design and Methods:Eighteen male academy cricketers (mean ± SD; age = 17.1 ± 0.7 years; height = 175.8 ± 6.1 cm; mass = 71.7 ± 11.3 kg) performed tests of bilateral and unilateral stance isometric mid-thigh pull (IMTP), sprint, and change of direction speed (CODS) across two separate testing sessions. Isometric mid-thigh pull testing involved trials with relative peak force (PF [N•kgˉ¹]) determined for bilateral stance (IMTP PF), left leg (IMTP L PF), and right leg (IMTP R PF). Sprint and CODS performances was measured using 5-, 10-, and 20-m sprint performance, and traditional 505 (505) and modified 505 (505mod) tests. Relationships between variables (IMTP, sprint and CODS performances) were analysed using Pearson's product -moment correlation. Results:Results suggest that IMTP R PF displayed the strongest relationships with sprint performance (r = − 0.49 to − 0.52).Times to complete 505 CODS were significantly correlated with bilateral and unilateral stance IMTP PF (r = − 0.47 to − 0.65), whereas modified 505mod CODS performance demonstrated no correlation to either bilateral or unilateral stance IMTP PF (r = − 0.31 to − 0.44). Conclusions:There are no significant relationships between bilateral and unilateral stance IMTP PF and 505mod CODS.Furthermore, there are no significant relationships between bilateral stance IMTP PF and sprint performance. However, this study identified bilateral and unilateral stance IMTP PF to relate to 505 CODS.(Journal of Trainology 2016;5:18-23)

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Section: Introductionmentioning

confidence: 61%

Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Relationship between Isometric Strength, Sprint, and Change of Direction Speed in Male Academy Cricketers

Thomas¹,

Dos’Santos²,

Comfort³

et al. 2016

Journal of Trainology

Self Cite

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“…26 Similarly, the 90˚ cutting task involved sprinting forwards 5 m and performing a 90˚ cut left or right, and exiting 3 m through the finish where timing gates were also placed. If the subject changed direction before hitting the turning line, or changed direction off the incorrect foot, the trial was disregarded and the subject com-pleted another trial after the rest period.…”

Section: Change Of Direction Speed Assessmentsmentioning

confidence: 99%

Asymmetries in single and triple hop are not detrimental to change of direction speed

Dos’Santos¹,

Thomas²,

Jones³

et al. 2017

Journal of Trainology

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Objectives:To determine the impact of between limb asymmetries in hop performance on change of direction speed (CODS). Design and Methods: Twenty-two multisport collegiate athletes (mean ± SD; age: 21.8 ± 3.4 years, height: 178.1 ± 6.7 cm, mass:73.5 ± 7.1kg) performed three single and triple horizontal hops for distance per limb, followed by three modified 505 and 90˚cut CODS trials each side to establish imbalances between right and left, and dominant (D) and non-dominant (ND) limbs. Limb dominance was defined as the limb that produced the furthest hop or faster CODS performance.Results: Paired sample t-tests revealed no significant differences in hop performance and CODS performance between right and left limbs (p > 0.05, g ≤ 0.11), however, significant differences were observed when comparing D and ND limbs (p < 0.001, g = 0.46-0.61). No significant correlations were observed between hop imbalance and CODS performance (p > 0.05, r ≤ 0.35). Low agreements (32-55%) were demonstrated between like for like identifications of asymmetry for CODS and hop performance. Conclusions:Imbalances in hop and CODS were present; however, greater hop imbalances were not detrimental to CODS.Furthermore, the D limb for hopping did not necessarily correspond to faster performance from that limb during 180˚ turns and 90˚ cuts (plant foot). Collegiate male multi-sport athletes with imbalances within the range reported within this study (≤ 15%) should not experience associated CODS detriments.(Journal of Trainology 2017;6:35-41)

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The Importance of Muscular Strength in Athletic Performance

2016

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This review discusses previous literature that has examined the influence of muscular strength on various factors associated with athletic performance and the benefits of achieving greater muscular strength. Greater muscular strength is strongly associated with improved force-time characteristics that contribute to an athlete's overall performance. Much research supports the notion that greater muscular strength can enhance the ability to perform general sport skills such as jumping, sprinting, and change of direction tasks. Further research indicates that stronger athletes produce superior performances during sport specific tasks. Greater muscular strength allows an individual to potentiate earlier and to a greater extent, but also decreases the risk of injury. Sport scientists and practitioners may monitor an individual's strength characteristics using isometric, dynamic, and reactive strength tests and variables. Relative strength may be classified into strength deficit, strength association, or strength reserve phases. The phase an individual falls into may directly affect their level of performance or training emphasis. Based on the extant literature, it appears that there may be no substitute for greater muscular strength when it comes to improving an individual's performance across a wide range of both general and sport specific skills while simultaneously reducing their risk of injury when performing these skills. Therefore, sport scientists and practitioners should implement long-term training strategies that promote the greatest muscular strength within the required context of each sport/event. Future research should examine how force-time characteristics, general and specific sport skills, potentiation ability, and injury rates change as individuals transition from certain standards or the suggested phases of strength to another.

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Relationship between isometric mid-thigh pull variables and sprint and change of direction performance in collegiate athletes

Cited by 99 publications

References 34 publications

Relationship between Isometric Strength, Sprint, and Change of Direction Speed in Male Academy Cricketers

Relationship between Isometric Strength, Sprint, and Change of Direction Speed in Male Academy Cricketers

Asymmetries in single and triple hop are not detrimental to change of direction speed

The Importance of Muscular Strength in Athletic Performance

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