Asymmetries in Functional Hop Tests, Lower Extremity Kinematics, and Isokinetic Strength Persist 6 to 9 Months Following Anterior Cruciate Ligament Reconstruction

Xergia, Sofia A.; Pappas, Evangelos; Zampeli, Franceska; Georgiou, Spyros; Georgoulis, Anastasios D.

doi:10.2519/jospt.2013.3967

Cited by 121 publications

(144 citation statements)

References 43 publications

(52 reference statements)

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“…Clear and often long-term reductions in muscular capacity were found for quadriceps muscles in ACL-D (Hsiao, et al, 2014;Konishi, et al, 2011;Tsepis, et al, 2004;Urbach, et al, 2001) and ACL-R (Drechsler, et al, 2006;Hsiao, et al, 2014;Xergia, et al, 2013) patients compared to healthy controls suggesting substantial consequences of post-injury inactivity, detrimental effects of kinesiofobia (Drechsler, et al, 2006), autograft repair (Hiemstra, Webber, MacDonald, & Kriellaars, 2004), and potentially lack of rehabilitation compliance. These considerable changes in muscular capacity and likely alterations in muscular activation patterns altogether suggest that risk of re-injury is based on very different factors than risk of primary injury.…”

Section: Post-injury Case-control Evidencementioning

confidence: 99%

“…Five case-control studies investigated muscular capacity deficits of ACL-R compared to healthy controls (Drechsler, Cramp, & Scott, 2006;Holsgaard-Larsen, Jensen, Mortensen, & Aagaard, 2013;Hsiao, et al, 2014;Urbach, et al, 2001;Xergia, Pappas, Zampeli, Georgiou, & Georgoulis, 2013). Two studies demonstrated weaknesses in quadriceps strength that were still present at both 1 and 3 months after injury in males and females during isometric and isokinetic contraction (Drechsler, et al, 2006;Hsiao, et al, 2014).…”

Section: Muscular Capacitymentioning

confidence: 99%

“…Two studies demonstrated weaknesses in quadriceps strength that were still present at both 1 and 3 months after injury in males and females during isometric and isokinetic contraction (Drechsler, et al, 2006;Hsiao, et al, 2014). Another study also found a decrement of isokinetic strength in the quadriceps in males (Xergia, et al, 2013). One study that found a deficit in peak quadriceps torque in isometric contraction in males after ACL-R went on to observe that this deficit had disappeared two years after reconstruction (Urbach, et al, 2001).…”

Section: Muscular Capacitymentioning

confidence: 99%

“…Hamstring weakness was in most post-injury case-control studies not an indication of risk, with hamstring strength being the same between injured and non-injured limb, and between injured and healthy controls (Drechsler, et al, 2006;Swanik, et al, 2004;Tsepis, et al, 2004;Xergia, et al, 2013). This may reflect the effectiveness of many ACL rehabilitation protocols that focus on strengthening the hamstrings as an ACL protective measure.…”

Section: Post-injury Case-control Evidencementioning

confidence: 99%

“…(Xergia, et al, 2013) 22 ACL-R 28.8 ± 11.2 years 22 Healthy Controls 24.8 ± 9.1 years Tegner activity score with an average of 6.5…”

Section: Biodex 3 Isokinetic Dynamometermentioning

confidence: 99%

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Mapping current research trends on neuromuscular risk factors of non-contact ACL injury

Rafeeuddin

Sharir

Staes

et al. 2016

Physical Therapy in Sport

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Section: Post-injury Case-control Evidencementioning

confidence: 99%

Section: Muscular Capacitymentioning

confidence: 99%

Section: Muscular Capacitymentioning

confidence: 99%

Section: Post-injury Case-control Evidencementioning

confidence: 99%

“…(Xergia, et al, 2013) 22 ACL-R 28.8 ± 11.2 years 22 Healthy Controls 24.8 ± 9.1 years Tegner activity score with an average of 6.5…”

Section: Biodex 3 Isokinetic Dynamometermentioning

confidence: 99%

See 3 more Smart Citations

Mapping current research trends on neuromuscular risk factors of non-contact ACL injury

Rafeeuddin

Sharir

Staes

et al. 2016

Physical Therapy in Sport

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An obstacle clearance test for evaluating sensorimotor control after anterior cruciate ligament injury: A kinematic analysis

Grinberg

Strong

Buck

et al. 2021

Journal Orthopaedic Research

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Sensorimotor deficits, particularly proprioceptive, are often reported following rupture of the anterior cruciate ligament (ACL). High secondary injury rates and long-term negative consequences suggest that these deficits are not properly identified using current assessment methods. We explored a novel obstacle clearance test to evaluate sensorimotor control in individuals following ACL reconstruction (ACLR) and rehabilitation. Thirty-seven post-ACLR individuals, 23 nonathletic asymptomatic controls (CTRL), and 18 elite athletes stepped over a hurdle-shaped obstacle, downward vision occluded, aiming for minimal clearance. Kinematic outcomes (3D motion capture) for the leading and trailing legs, for two unpredictably presented obstacle heights, were categorized into Accuracy: vertical foot clearance and minimal distance from the obstacle; Variability: end-point and hip/knee trajectory; and Symmetry: trunk/hip/knee crossing angles, hip-knee-ankle movement, and velocity curves. Accuracy was worse for CTRL compared with both other groups. ACLR had less leading and trailing vertical foot clearance with their injured compared with their noninjured leg. ACLR and athletes had less crossing knee flexion in their injured/nondominant legs compared with their contralateral leg, both leading and trailing. ACLR showed greater trunk flexion when crossing with their injured leg, both leading and trailing. For the leading leg, ACLR showed greater asymmetry for the hip-knee-ankle velocity curve compared with elite athletes. Trailing leg trajectory variability was lower for ACLR compared with CTRL and athletes for higher obstacles. Clinical significance: Sensorimotor deficits in individuals post-ACLR were reflected by greater asymmetry and less variable (more stereotypical) trajectories rather than limb positioning ability. This consideration should be addressed in clinical evaluations.

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Functional Hop Tests Contribute to Safe Return to Sports After Anterior Cruciate Ligament Reconstruction

Nomura

Fukubayashi

2015

Sports Injuries and Prevention

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Asymmetries in Functional Hop Tests, Lower Extremity Kinematics, and Isokinetic Strength Persist 6 to 9 Months Following Anterior Cruciate Ligament Reconstruction

Cited by 121 publications

References 43 publications

Mapping current research trends on neuromuscular risk factors of non-contact ACL injury

Mapping current research trends on neuromuscular risk factors of non-contact ACL injury

An obstacle clearance test for evaluating sensorimotor control after anterior cruciate ligament injury: A kinematic analysis

Functional Hop Tests Contribute to Safe Return to Sports After Anterior Cruciate Ligament Reconstruction

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