Prof Paul Comfort's Outputs (18)

Reliability of hop distance and frontal-plane dynamic knee valgus angle during single-leg horizontal hop test (2015)
Journal Article
valgus angle during single-leg horizontal hop test. Journal of Athletic Enhancement, 4(6), https://doi.org/10.4172/2324-9080.1000218

Context: Single-leg hop for distance (SHD) performance and twodimensional
(2-D) video assessment of frontal-plane knee valgus,
during the single-leg landings, have been reported to identify the
risk of knee injuries such as patellofemoral pain syn... Read More about Reliability of hop distance and frontal-plane dynamic knee valgus angle during single-leg horizontal hop test.

Relationships between lower body muscle structure and isometric mid-thigh pull peak force (2015)
Journal Article
McMahon, J., Stapley, J., Suchomel, T., & Comfort, P. (2015). Relationships between lower body muscle structure and isometric mid-thigh pull peak force. Journal of trainology, 4(2), 43-48. https://doi.org/10.17338/trainology.4.2_43

Objectives: To explore relationships between aspects of vastus lateralis (VL) and medial gastrocnemius (MG) muscle structure (muscle thickness, fascicle length and pennation angle) and isometric mid-thigh pull (IMTP) peak force capacity. Design and M... Read More about Relationships between lower body muscle structure and isometric mid-thigh pull peak force.

Relationships between speed, change of direction and jump performance with cricket specific speed tests in male academy cricketers (2015)
Journal Article
Foden, M., Astley, S., McMahon, J., Comfort, P., Matthews, M., & Jones, P. (2015). Relationships between speed, change of direction and jump performance with cricket specific speed tests in male academy cricketers. Journal of trainology, 4(2), 37-42. https://doi.org/10.17338/trainology.4.2_37

Objectives: The aim of this study was to investigate the relationships between general speed and change of direction speed and‘cricket specific’ speed tests and the relationships between jump performance and speed and change of direction ability in m... Read More about Relationships between speed, change of direction and jump performance with cricket specific speed tests in male academy cricketers.

Reliability of maximal back squat and power clean performances in inexperienced athletes (2015)
Journal Article
Comfort, P., & McMahon, J. (2015). Reliability of maximal back squat and power clean performances in inexperienced athletes. Journal of Strength and Conditioning Research, 29(11), 3089-3096. https://doi.org/10.1519/JSC.0000000000000815

The aim of the study was to determine between-session reliability of maximal weight lifted during the back squat and power clean, in inexperienced athletes, and to identify the smallest detectable difference between sessions. Forty-four collegiate at... Read More about Reliability of maximal back squat and power clean performances in inexperienced athletes.

Joint kinetics and kinematics during common lower limb rehabilitation exercises (2015)
Journal Article
Comfort, P., Jones, P., Smith, L., & Herrington, L. (2015). Joint kinetics and kinematics during common lower limb rehabilitation exercises. Journal of Athletic Training, 50(10), 1011-1018. https://doi.org/10.4085/1062-6050-50.9.05

Context: Unilateral body-weight exercises are commonly used to strengthen the lower limbs during rehabilitation after injury, but data comparing the loading of the limbs during these tasks are limited.
Objective: To compare joint kinetics and kinem... Read More about Joint kinetics and kinematics during common lower limb rehabilitation exercises.

A correction equation for jump height measured using the just jump system (2015)
Journal Article
McMahon, J., Jones, P., & Comfort, P. (2016). A correction equation for jump height measured using the just jump system. International Journal of Sports Physiology and Performance, 11(4), 555-557. https://doi.org/10.1123/ijspp.2015-0194

Purpose: To determine the concurrent validity and reliability of the popular Just Jump system (JJS) for determining jump height and, if necessary, provide a correction equation for future reference. Methods: Eighteen male college athletes performed 3... Read More about A correction equation for jump height measured using the just jump system.

Psychological strategies included by strength and conditioning coaches in applied strength and conditioning (2015)
Journal Article
Radcliffe, J., Comfort, P., & Fawcett, T. (2015). Psychological strategies included by strength and conditioning coaches in applied strength and conditioning. Journal of Strength and Conditioning Research, 29(9), 2641-2654. https://doi.org/10.1519/JSC.0000000000000919

This study provided the basis by which professional development needs can be addressed and add to the applied sport psychology literature from an underresearched sport domain. This study endeavored to use qualitative methods to explore the specific t... Read More about Psychological strategies included by strength and conditioning coaches in applied strength and conditioning.

An investigation into the relationship between maximum Isometric strength and vertical jump performance (2015)
Journal Article
Thomas, C., Jones, P., Rothwell, J., Chiang, C., & Comfort, P. (2015). An investigation into the relationship between maximum Isometric strength and vertical jump performance. Journal of Strength and Conditioning Research, 29(8), 2176-2185. https://doi.org/10.1519/jsc.0000000000000866

Abstract: Thomas, C, Jones, PA, Rothwell, J, Chiang, CY, and Comfort, P. An investigation into the relationship between maximum isometric strength and vertical jump performance. J Strength Cond Res 29(8): 2176–2185, 2015—Research has demonstrated a c... Read More about An investigation into the relationship between maximum Isometric strength and vertical jump performance.

An investigation into the relationship between maximum isometric strength and vertical jump performance (2015)
Journal Article
Thomas, C., Jones, P., Rothwell, J., Chiang, C., & Comfort, P. (2015). An investigation into the relationship between maximum isometric strength and vertical jump performance. Journal of Strength and Conditioning Research, 29(8), 2176-2185. https://doi.org/10.1519/JSC.0000000000000866

Research has demonstrated a clear relationship between dynamic strength and vertical jump (VJ) performance; however, the relationship of isometric strength and VJ performance has been studied less extensively. The aim of this study was to determine t... Read More about An investigation into the relationship between maximum isometric strength and vertical jump performance.

Relationships between lower body muscle structure and maximal power clean performance (2015)
Journal Article
McMahon, J., Turner, A., & Comfort, P. (2015). Relationships between lower body muscle structure and maximal power clean performance. Journal of trainology, 4(2), 32-36. https://doi.org/10.17338/trainology.4.2_32

Objectives: Correlational studies have linked distinct characteristics of lower body muscle structure (e.g. muscle thickness and pennation angle) to key variables attained during various tasks (e.g. squatting and jumping) which are beneficial to athl... Read More about Relationships between lower body muscle structure and maximal power clean performance.

Reliability of the dynamic strength index in college athletes (2015)
Journal Article
Thomas, C., Jones, P., & Comfort, P. (2015). Reliability of the dynamic strength index in college athletes. International Journal of Sports Physiology and Performance, 10(5), 542-545. https://doi.org/10.1123/ijspp.2014-0255

Purpose: To determine the reliability of the Dynamic Strength Index (DSI) in college athletes. Method: Nineteen male college athletes performed the squat jump (SJ) and isometric midthigh pull (IMTP) to determine peak force, on 2 separate days. Relia... Read More about Reliability of the dynamic strength index in college athletes.

A preliminary study into the effect of jumping–landing training and strength training on frontal plane projection angle (2015)
Journal Article
Herrington, L., Munro, A., & Comfort, P. (2015). A preliminary study into the effect of jumping–landing training and strength training on frontal plane projection angle. Manual Therapy, 20(5), 680-685. https://doi.org/10.1016/j.math.2015.04.009

The presence of increased knee valgus angles during functional tasks has been associated with a range of knee pathologies. A number of different exercise interventions have been undertaken to improve knee alignment during functional tasks. The most s... Read More about A preliminary study into the effect of jumping–landing training and strength training on frontal plane projection angle.

Weightlifting pulling derivatives : Rationale for implementation and application (2015)
Journal Article
Suchomel, T., Comfort, P., & Stone, M. (2015). Weightlifting pulling derivatives : Rationale for implementation and application. Sports Medicine, 45(6), 823-839. https://doi.org/10.1007/s40279-015-0314-y

This review article examines previous weightlifting literature and provides a rationale for the use of weightlifting pulling derivatives that eliminate the catch phase for athletes who are not competitive weightlifters. Practitioners should emphasize... Read More about Weightlifting pulling derivatives : Rationale for implementation and application.

Relationship between isometric mid-thigh pull variables and sprint and change of direction performance in collegiate athletes (2015)
Journal Article
Thomas, C., Comfort, P., Chiang, C., & Jones, P. (2015). Relationship between isometric mid-thigh pull variables and sprint and change of direction performance in collegiate athletes. Journal of trainology, 4(1), 6-10. https://doi.org/10.17338/trainology.4.1_6

Objectives: The aim of this investigation was to assess the use of isometric strength testing as a determinant of sprint and change of direction performance in collegiate athletes.
Design and Methods: Fourteen male collegiate athletes (mean ± SD; a... Read More about Relationship between isometric mid-thigh pull variables and sprint and change of direction performance in collegiate athletes.

The validity of the Nordic hamstring lower as a field-based assessment of eccentric hamstring strength (2015)
Journal Article
Sconce, E., Jones, P., Turner, E., Comfort, P., & Graham-Smith, P. (2015). The validity of the Nordic hamstring lower as a field-based assessment of eccentric hamstring strength. Journal of Sport Rehabilitation, 24(1), 13-20. https://doi.org/10.1123/JSR.2013-0097

Context: Hamstring injury-risk assessment has primarily been investigated using isokinetic dynamometry.
However, practical issues such as cost and availability limit the widespread application of isokinetics for
injury-risk assessment; thus, field-... Read More about The validity of the Nordic hamstring lower as a field-based assessment of eccentric hamstring strength.

Relationships between jump and sprint performance in first-class county cricketers (2015)
Journal Article
Carr, C., McMahon, J., & Comfort, P. (2015). Relationships between jump and sprint performance in first-class county cricketers. Journal of trainology, 4(1), 1-5. https://doi.org/10.17338/trainology.4.1_1

Objectives: Research across a number of sports has identified a meaningful relationship between jump and sprint performance. The aim of this study was to investigate these relationships in first-class county cricketers. Design and Methods: Using a wi... Read More about Relationships between jump and sprint performance in first-class county cricketers.

The effect of load and sex on kinematic and kinetic variables during the mid-thigh clean pull (2015)
Journal Article
Comfort, P., Jones, P., & Udall, R. (2015). The effect of load and sex on kinematic and kinetic variables during the mid-thigh clean pull. Sports Biomechanics, 14(2), 139-156. https://doi.org/10.1080/14763141.2015.1025237

Power is a fundamental component for many sporting activities; while the load that elicits peak power during different exercises and differences between sexes remains unclear. This study aims to determine the effect of sex and load on kinematic and k... Read More about The effect of load and sex on kinematic and kinetic variables during the mid-thigh clean pull.

Effect of knee and trunk angle on kinetic variables during the isometric mid-thigh pull : test-retest reliability (2015)
Journal Article
Comfort, P., Jones, P., McMahon, J., & Newton, R. (2015). Effect of knee and trunk angle on kinetic variables during the isometric mid-thigh pull : test-retest reliability. International Journal of Sports Physiology and Performance, 10(1), 58-63. https://doi.org/10.1123/ijspp.2014-0077

The isometric midthigh pull (IMTP) has been used to monitor changes in force, maximum rate of force development (mRFD), and impulse, with performance in this task being associated with performance in athletic tasks. Numerous postures have been adopte... Read More about Effect of knee and trunk angle on kinetic variables during the isometric mid-thigh pull : test-retest reliability.