Reliability of an Active-Knee-Extension Test for Determining Hamstring Muscle Flexibility

Worrell, Teddy W.; Sullivan, Michael; DeJulia, Joseph J.

doi:10.1123/jsr.1.3.181

Cited by 10 publications

(5 citation statements)

References 9 publications

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“…Players’ were given 3 attempts to reach full extension before the angle of their leg was assessed using the inclinometer. While holding position at maximal extension, the investigator placed the inclinometer at the anterior crest of the tibia to measure the obtuse angle between the lower leg and knee (Worrell et al., 1992) to determine the angle of knee extension.…”

Section: Methodsmentioning

confidence: 99%

“…AKE flexibility test measures were obtained using a commercially available digital inclinometer (Acumar, Lafayette, IN, USA). AKE testing has previously been reported as an accurate method to assess hamstring flexibility (ICC) r = .96, (SEM = 1.82) for intra‐tester reliability (Worrell, Sullivan, & DeJulia, 1992). Players’ were tested while lying in a supine position before raising their leg to a 45° angle flexing at the hip.…”

Section: Methodsmentioning

confidence: 99%

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Recovery profiles following single and multiple matches per week in professional football

Howle

Waterson²,

Duffield

2019

European Journal of Sport Science

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Objectives: To investigate player responses 48 h post single (SM) and multi-match (MM) weeks on two subjective and three objective outcome measures to infer recovery status. Methods: From 42 professional players over 2 seasons, outcome measures relevant to recovery status were collected 48 h following matches, as well as during pre-season training weeks as a comparative baseline. These included (1) 5-item subjective wellness questionnaire, (2) total quality recovery (TQR) scale, (3) hip adduction squeeze test, ankle knee to wall (KTW) test, and active knee extension (AKE) flexibility test. These outcome measures 48 h post-match were compared for SM (n = 79) and MM (n = 86) weeks where players completed >75 min of match time in only one (SM) or if both matches were played and had <96 h recovery (MM). Internal match load was collected from each match based on session rating of perceived exertion (sRPE) multiplied by match duration. Results: Subjective wellness (specifically fatigue, sleep and soreness), TQR and hip adduction squeeze test were all significantly reduced following match 1 at 48 h post for both SM and MM (p < 0.05), and further reduced following match 2 in MM (p < 0.05). No other outcome measures to infer recovery showed significant differences (p > 0.05) within or between-conditions. Conclusions: Subjective wellness, TQR and hip adduction strength showed reduction 48 h post match for players competing in multiple matches with <96 h recovery. Therefore, these outcome measures may be of use to practitioners to assess readiness to compete during congested competition schedules.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Recovery profiles following single and multiple matches per week in professional football

Howle

Waterson²,

Duffield

2019

European Journal of Sport Science

View full text Add to dashboard Cite

show abstract

“…Relative PW expressed PW as percentage of height. Hamstring flexibility was measured using the active knee extension test with subjects lying in a supine position (Gabbe, Bennell, Wajswelner, et al 2004;Worrell, Sullivan, and DeJulia 1992). With the thigh held vertical using a wooden frame, subjects actively extended their knees as far as possible.…”

Section: Methodsmentioning

confidence: 99%

Are Anthropometric and Kinematic Parameters of the Lumbo-Pelvic-Hip Complex Related to Running Injuries?

Schache

Blanch²,

Rath³

et al. 2005

Research in Sports Medicine

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The purpose of the experiment was to test whether specific anthropometric or kinematic parameters of the lumbo-pelvic-hip complex were related to running injuries. A case-control design was used to compare a group of 22 runners with a history of injury within the previous 12 months to a group of 19 injury-free controls. All runners were pain-free at the time of measurement. Groups were matched for self-reported average running volume per week and average number of running sessions per week. Anthropometric and kinematic parameters, previously speculated as being related to running injuries, were selected for evaluation. Running trials were conducted on a treadmill at a speed of 4.0 m/sec. The three-dimensional angular rotations of the lumbar spine, pelvis, and hip during running were measured using a VICON motion analysis system with seven cameras operating at a sampling rate of 200 Hz. None of the measured anthropometric or kinematic parameters were found to be significantly different between the injured and control groups. Despite the theoretical rationale, no evidence was found in the current experiment demonstrating a clear relationship between anthropometric or kinematic parameters of the lumbo-pelvic-hip complex and running injuries.

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“…1. For Hamstring muscle: Active knee extension test was performed Worrell et al, 1992). Subjects were made to lie supine.…”

Section: Methodsmentioning

confidence: 99%

Comparative Dose-Response Study of Stretching on Strength of Proximal (Hamstring) and Distal (Calf) Muscle

Khan¹,

Quddus²,

Chawla³

et al. 2013

Journal of Exercise Science and Physiotherapy

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Objective: To compare the stretching induced strength changes between the proximal and distal groups of muscles. Methods: Twenty-eight recreationally active male individuals participated in this study. They were assigned into Group A for proximal muscle (hamstring) and group B for distal muscle (calf) with 14 subjects in each group. This study is an experimental trial of selfstretching for 2 minutes (SS 2). This stretch duration involved a 30 second stretch and a 20 second relaxation period, intermittently. Maximum Isometric Voluntary Contraction Force (MIVCF) was measured in both groups before (pretest) and immediately after (posttest) stretching. Change in pre-stretching and immediately post-stretching MIVCF was compared between the two groups. Results: Maximum Isometric Voluntary Contraction Force increased with SS 2 in the hamstring by 1.31% and in calf muscle, it increased by 2.92%. However, these changes were statistically insignificant between the two groups (p>0.05). Conclusion: Shorter stretching (2 minute) increases maximum isometric voluntary contraction force in both muscles but relatively more in the calf.

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Reliability of an Active-Knee-Extension Test for Determining Hamstring Muscle Flexibility

Cited by 10 publications

References 9 publications

Recovery profiles following single and multiple matches per week in professional football

Recovery profiles following single and multiple matches per week in professional football

Are Anthropometric and Kinematic Parameters of the Lumbo-Pelvic-Hip Complex Related to Running Injuries?

Comparative Dose-Response Study of Stretching on Strength of Proximal (Hamstring) and Distal (Calf) Muscle

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