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:6P~n$U=P .5z wpTW4>ws:y66#wE+7 3X9>}Qpez73.^:b/bc [Z0FYe~iweZ9+mUE_v-=kS],lbV[4u)Z'9ermUy7>M,Lh5ShDUJ2UPNmmVy':SaQT %zi@PlJ[4; KM\ endobj Search life-sciences literature (Over 39 million articles, preprints and more) (Over 39 million articles, preprints and more) A comprehensive RTS decision-based model for sports medicine practitioners is discussed that assesses risk of reinjury from multiple factors and determines the clinicians threshold for acceptable risk. Complete 10 rep squat / 10 rep leg press with >90% of the predicted 1RM. It is important to set specific goals and milestones for your athlete and build time frames accordingly. Symmetries in Muscle Torque and Landing Kinematics Are Associated With Maintenance of Sports Participation at 5 to 10 Years After ACL Reconstruction in Young Men. Purpose: To test single leg endurance strength and evaluate patellar tracking. 2015 Oct;10(5):602-11. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> International journal of sports physical therapy, PURPOSE/BACKGROUND Moving from endurance to strength training can start when the athlete shows[14]: Strength is the ability to exert force/torque at a specific speed. The purpose of this clinical commentary is to provide the rehabilitation specialist such a program directed toward safely returning the athlete to alpine skiing. The .gov means its official. Alter-G treadmill or pool running is helpful when you want to start with partial weight-bearing, progressing 5% each session till full weigh-bearing. Increasing running tolerance should be gradual and slow for up to 4 weeks. hYr~L& t2c;77qn>HLF"UN>vI,{,X`|UMHyF:EVj>r GqCD!Q,QTJu3QSj$H]d )q!RZ+G*0%U^BHd. An official website of the United States government. ",#(7),01444'9=82. 2020 Oct 15;7(1):83. doi: 10.1186/s40634-020-00298-8. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . As a physiotherapist, you have a role in guiding your patient through a long-term rehabilitation plan. To determine the validity and inter-session reliability of the Vail Sport Test. Participants: Hop testing was the most commonly reported functional test following ACL reconstruction and differences between graft types were examined, providing information that may assist providers in determining timing of return to unrestricted sporting activity. 6. Findings indicate that, while unilateral deficits are present in individuals following ACL reconstruction, they may not be evident during bipedal performance or during modified versions of double-limb performance activities. %%EOF acute management after ACL reconstruction, Anterior cruciate ligament (BTB) rehabilitation guideline. 1ea-e) was developed to assess an athlete's ability to perform four major sport-specific functional activities: (1) single leg squat, (2) lateral bounding, (3) forward running, and (4) backward running). endstream Garrison JC, Bothwell JM, Wolf G, Aryal S, Thigpen CA. endobj PDF The Validity and Reliability of The Vail Sport Test As a Measure of A w.99@nFb[x(A[ SjU-4~*=2m]ri&C|@-E/PueJdk$/brwsOo99" S6r*R1i@&WjK9y@{8p5$4rRCm@uM,2RBrmlLf>=+X4!["R)ju(y[J@u"ZI,Kx{;ZjF* W$[me The site is secure. <> A total of 30 (12 F, 18 M . 15 reps single leg squat from a 10 inch step/box, Anterior reach on the Y-Balance test within 8 cm difference from the opposite leg, Back squat/Leg press at 80% of the predicted 10 RM, Anterior reach distance within 4 cm difference from the opposite leg on the Y-Balance test, Quad girth within 1 cm compared to the contralateral side, Hamstrings/Quad ratio 60%, using a handheld dynamometer. Accessibility A comprehensive RTS decision-based model for sports medicine practitioners is discussed that assesses risk of reinjury from multiple factors and determines the clinicians threshold for acceptable risk. endobj Bookshelf <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> hb```c``*``a`f`@ fV8GC-{Ym6{d| Archives of orthopaedic and trauma surgery. endobj The validity and reliability of the Vail Sport Test as a measure of performance following anterior cruciate ligament reconstruction The results of this study showed good reliability and partially support the validity of the Vail Sport Test as a measure of readiness to return to play. endstream endobj 132 0 obj <>/Metadata 20 0 R/PageLayout/OneColumn/Pages 129 0 R/StructTreeRoot 34 0 R/Type/Catalog>> endobj 133 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 134 0 obj <>stream Thomas AC, Villwock M, Wojtys EM, Palmieri-Smith RM. endstream endobj 2 0 obj <> endobj 46 0 obj <> endobj 376 0 obj <> endobj 48 0 obj <> endobj 47 0 obj <> endobj 52 0 obj [51 0 R 54 0 R 55 0 R 56 0 R 57 0 R 58 0 R 63 0 R 63 0 R 65 0 R 65 0 R 67 0 R 67 0 R 69 0 R 69 0 R 71 0 R 71 0 R 75 0 R 77 0 R 79 0 R 81 0 R 83 0 R 86 0 R 87 0 R 88 0 R 89 0 R 91 0 R 93 0 R 95 0 R 97 0 R 98 0 R 99 0 R 104 0 R 104 0 R 106 0 R 106 0 R 108 0 R 108 0 R 110 0 R 110 0 R 112 0 R 112 0 R 116 0 R 117 0 R 118 0 R 120 0 R 122 0 R 124 0 R 126 0 R 128 0 R 132 0 R 134 0 R 136 0 R 138 0 R 140 0 R 144 0 R 146 0 R 148 0 R 150 0 R 152 0 R 156 0 R 158 0 R 160 0 R 162 0 R 164 0 R 167 0 R 169 0 R 171 0 R 173 0 R 175 0 R 177 0 R 180 0 R 182 0 R 184 0 R 186 0 R 188 0 R 190 0 R 193 0 R 195 0 R 197 0 R 199 0 R 201 0 R 203 0 R 206 0 R 208 0 R 210 0 R 212 0 R 214 0 R 216 0 R 219 0 R 221 0 R 223 0 R 225 0 R 227 0 R 229 0 R 232 0 R 234 0 R 236 0 R 238 0 R 240 0 R 242 0 R 245 0 R 246 0 R 247 0 R 248 0 R 250 0 R 251 0 R 252 0 R 254 0 R 256 0 R 258 0 R 260 0 R 263 0 R 265 0 R 267 0 R 269 0 R 271 0 R 273 0 R 274 0 R 275 0 R] endobj 277 0 obj [276 0 R 278 0 R 279 0 R 280 0 R 281 0 R 282 0 R 283 0 R 284 0 R 285 0 R 286 0 R 287 0 R 288 0 R 289 0 R 293 0 R 295 0 R 296 0 R 297 0 R 298 0 R 299 0 R] endobj 301 0 obj [300 0 R 302 0 R 304 0 R 311 0 R 312 0 R 313 0 R 314 0 R 315 0 R 316 0 R 317 0 R 319 0 R 303 0 R 318 0 R 310 0 R 309 0 R 307 0 R 306 0 R] endobj 321 0 obj [320 0 R 322 0 R 323 0 R 324 0 R 328 0 R 330 0 R 332 0 R 334 0 R 336 0 R 338 0 R 340 0 R 342 0 R 344 0 R 346 0 R 348 0 R 350 0 R 352 0 R 353 0 R 354 0 R 355 0 R] endobj 320 0 obj <> endobj 322 0 obj <> endobj 323 0 obj <> endobj 324 0 obj <> endobj 328 0 obj <> endobj 330 0 obj <> endobj 332 0 obj <> endobj 334 0 obj <> endobj 336 0 obj <> endobj 338 0 obj <> endobj 340 0 obj <> endobj 342 0 obj <> endobj 344 0 obj <> endobj 346 0 obj <> endobj 348 0 obj <> endobj 350 0 obj <> endobj 352 0 obj <> endobj 353 0 obj <> endobj 354 0 obj <> endobj 355 0 obj <> endobj 50 0 obj <> endobj 41 0 obj <>/MediaBox[0 0 612 792]/Parent 2 0 R/Resources<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/StructParents 3/Tabs/S/Type/Page>> endobj 42 0 obj <>stream Principles of postoperative anterior cruciate ligament rehabilitation. Sixty-two per cent of patients who had ACL surgery returned to their previous level of sport at 5 years after ACL reconstruction, and the subgroups that did not return to sport because of fear of re-injury and because of an unstable knee found that the difference in knee outcome scores between these 3 groups were statistically significant. S.C]} PDF Original Researchthe Reliability of The Vail Sport Test Tm As A For the donor site, rehabilitation should be directed towards strengthening the muscles, while ROM is the main concern in the initial phases of rehabilitation for the ACL-reconstructed knee[9]. stream Microsoft Word 2016 2 0 obj endobj 5 0 obj The purposes of this study are 1) to describe a functional test (Vail Sport Test) that includes the evaluation of muscle strength, endurance, power, and movement quality in those patients attempting to return to sports following ACL reconstruction and 2) to assess the reliability of the Vail Sport Test. By clicking accept or continuing to use the site, you agree to the terms outlined in our. <> <> The following is a suggested weekly plan for an athlete requires strong lower body as the top priority, cardiovascular fitness, core stability and upper body strength: Accordingly, the plan includes 4 lower body strengthening sessions, 2 cardio sessions, 2 pool sessions, 2 core sessions, 2 upper body strengthening sessions. Exercises should be light intensity (<50% of 1-RM) high repetitions (15-20) for 3 or more sets with less than 60 seconds of rest, 2-3 times weekly with 48 hours rest between sessions to target type 1 atrophied muscle fibers, due to arthrogenic inhibition[14]. Setting up milestones and goals depends on your patient's needs and aspired function. METHODS Federal government websites often end in .gov or .mil. Progress each week by increasing a minute of running and decrease a minute of walking, till the athlete is able to run for a progressive 20 minutes. % 1d, Fig. Regardless of the donor site, both knees should be incorporated throughout the rehabilitation process. Y BALANCE TEST ANTERIOR REACH SYMMETRY AT THREE MONTHS IS RELATED TO SINGLE LEG FUNCTIONAL PERFORMANCE AT TIME OF RETURN TO SPORTS FOLLOWING ANTERIOR CRUCIATE LIGAMENT RECONSTRUCTION. The test batteries in the current literature show high variability and a lack of essential components necessary for RTS, suggesting a disconnect between recommended guidelines and clinical practice. x[[s9~OU/*,SnR3>$+/INHZ?IGo'^|N y}|1$D+F`v|O'fg*!zN ~9308f900dNOraG_JpKA school of physical therapy There was a significant difference for the uninvolved limb (p = 0.015). You can implement a running program when the athlete archives 90% quadriceps index to make sure the running mechanics will be as close to normal[17]. hb```f`` B,l@qe|A#a6wa(5Z %` ~/j*]0-P 0 &4BIh O%?QA*Dj3?XXXo30bi{%+iO^&AN;" Construct validity was assessed using the reference standards of the camera system and the IKDC short form. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 540 720] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> The evidence is rich in ACL-rehabilitation protocols. 2012; 7(1):20-30. The purposes of this study are 1) to describe a functional test (Vail Sport Test) that includes the evaluation of muscle strength, endurance, power, and movement quality in those patients attempting to return to sports following ACL reconstruction and 2) to assess the reliability of the Vail Sport Test. in the graduate school of the . endobj The test batteries in the current literature show high variability and a lack of essential components necessary for RTS, suggesting a disconnect between recommended guidelines and clinical practice. 2 0 obj Clin Orthop Relat Res. Evidence-based recommendations for the management of anterior cruciate ligament (ACL) rupture. A criterion-based postoperative protocol was derived based on current evidence regarding rehabilitation following cruciate ligament reconstruction and evidence regarding lower extremity rehabilitation principles and injury prevention and allowed the patient to return to competitive athletics. **A systemic review by Andrade et al., (2020) recommend against functional bracing and continuous passive motion.[3]. %PDF-1.7 Return to Sport after ACL Reconstruction and Other Knee Operations, This chapter summarizes return to sport (RTS) and reinjury data after anterior cruciate ligament (ACL) reconstruction in 42,275 patients from 95 studies published from 2004 to 2018. Int J Sports Phys Ther. Available from: Lewek M, Rudolph K, Axe M, Snyder-Mackler L. Logan Hutsko - Vail Sport Test. 199 Vail Sport Test - Backward Jog -- Texas Health Ben Hogan Sports Medicine Exercises TexasHealthBenHogan 281 subscribers Subscribe Like Share 4.6K views 10 years ago Show more Show more. x]k6nA_tHd/bg"HFg=_[$ q?X"UInw7WovO>aZoxy:h_b~_={KV0VVuGLU+$)Zsfqm(,t6=I*B:q_^?/3!6wlvDq/[^G]zlrYvzyWX\.yq^RGRZ%#|vZYlg-^v^lK+t^m7d.8w+(jy{''AGs c[y[r IJy"MW6gDF/e4)LD=)9{e ]+y"M__NLB }WZ#Ni);3tr. Eighty-three per cent of elite athletes return to preinjury sport after anterior cruciate ligament reconstruction: a systematic review with meta-analysis of return to sport rates, graft rupture rates and performance outcomes. Design: Cohort study-exploratory methodological research design. The findings indicate that patients are not fully rehabilitated 11months after ACL reconstruction, and it is suggested that functional testing should be performed both under non-fatigued and fatigued test conditions. {t#8x"[@QG7{/@=\~H5xu>}%wNu7cqG@pC Wa^*A^iW/*|Js0Br1^~rbn0\P+f; &B^~udO_nhA>wt~wAzpm 7qSTo$/tDy|`G0>;3jH/ Mwc huAF"fS\cs|P:rS 8D#I S'"T4UT. By the end of this phase your patient must be able to[14]: Anterior cruciate ligament (BTB) rehabilitation guideline [12], Get Top Tips Tuesday and The Latest Physiopedia updates, The content on or accessible through Physiopedia is for informational purposes only. Limited evidence for return to sport testing after ACL reconstruction in children and adolescents under 16years: a scoping review. The Vail Sport Test is a return to sports assessment that incorporates a series of dynamic multiplanar functional activities against the resistance of a sportcord . https://www.youtube.com/watch?v=njfP29KabO4, https://www.youtube.com/watch?v=u0o-8MmKArg, https://www.youtube.com/watch?v=XkPsoV6-HJw, https://www.youtube.com/watch?v=wMc9G7Kzj0w, https://www.physio-pedia.com/index.php?title=ACL_Rehabilitation:_Rehabilitation_Planning&oldid=323048, Low load recovery (core stability + pool exercise), Knee flexion within 10 of the contralateral side, Knee joint effusion equal to a grade of trace or less, Hetsroni and colleagues found that maintaining participation in sports 5-10 years after ACL surgery was associated with symmetries in muscle torque and landing kinematics, Cristiani and colleagues found that symmetrical isokinetic quadriceps strength and single-leg-hop test performance at 6 post-ACL surgery consistently increased the likelihood that a patient would achieve a PASS (i.e. Ability to walk on treadmill or cycle with resistance for 20 minutes. Starting power training should begin when the athlete shows the following criteria: A different characteristic of muscular strength is power which is a combination of force and velocity. Conclusion: The Vail Sport Test demonstrated good convergent construct validity on the operated limb, good external validity on both the operated and uninvolved limb, and good between-day reliability on the operated limb. In young patients with high functional demands, return to sports is allowed no earlier than 912 months after they have undergone a thorough rehabilitation programme, but it is known to be associated with secondary stiffness. Read more, Physiopedia 2023 | Physiopedia is a registered charity in the UK, no. Post-operative criterion based rehabilitaiton of ACL repairs: A clinical commentary. Clipboard, Search History, and several other advanced features are temporarily unavailable. 17 3l5U( G$|{viar3#r6}kguwy< 147 0 obj <>/Filter/FlateDecode/ID[<14B400B356AB134B832E197A3AE22728>]/Index[131 30]/Info 130 0 R/Length 82/Prev 123080/Root 132 0 R/Size 161/Type/XRef/W[1 2 1]>>stream <> DOI: 10.1016/j.ptsp.2019.05.001 Corpus ID: 174805383; The validity and reliability of the Vail Sport Test as a measure of performance following anterior cruciate ligament reconstruction. Speed and Agility are important for re-conditioning and return to sport. Kokmeyer et al. endobj PDF Texas Health Resources | Health & Hospital System in North Texas The Reliability of the Vail Sport Test As a Measure of Physical Performance Following Anterior Cruciate Ligament Reconstruction. The Reliability of the Vail Sport Test As a Measure of Physical Performance Following Anterior Cruciate Ligament Reconstruction. If you believe that this Physiopedia article is the primary source for the information you are refering to, you can use the button below to access a related citation statement. I2^L*./Oe'Yrx` 8^, To determine the between-day reliability, a subset of participants returned to repeat the test. Researchers consider ROM symmetry to be the most important factors in successful rehabilitation and long-term patient satisfaction: Achieving symmetry depends on many factors such as surgical approach; graft type, donor site, proper graft placement, knee hyperextension after graft placement, pre-operative rehab, post-operative, rehab periodic evaluations and follow-ups up to 10 years after surgery[9]. The results of this study showed good reliability and partially support the validity of the Vail Sport Test as a measure of readiness to return to play. Current concepts for anterior cruciate ligament reconstruction: a criterion-based rehabilitation progression. Epub 2016 May 31. >rXCSEPT>TWYC{*Tg+s A2 _ /_% QE#&\&"\#p=@14'5h"hQ{o6qfsWa8h C. Wilke et al. 3 0 obj 0 Conclusion: 8600 Rockville Pike Available from: Demonstration of Anti-Gravity Treadmill at Michigan Medicine. Three major. Int J Sports Phys Ther. HHS Vulnerability Disclosure, Help JFIF C Please enable it to take advantage of the complete set of features! 2017;5(8):1-5. There was no significant difference between the scores collected in real time and those of the IKDC (p = 0.885). <>/Metadata 500 0 R/ViewerPreferences 501 0 R>> struction can be controversial. Anterior Cruciate Ligament Rehabilitation and Return to Sport: How Fast Is Too Fast? ?~t2\muN>7'Y[AG*gCq5!VB7}m%Qn1/O` e.U0^.AA4v_aUU3we3nlcpZEC5Z&NcjcY^,Bj%*^-[eK8pQBaRS(se" 2wH\(/IPXcmwr(PTr,UL(#QKm\9V!AyK7(P.Q%T*&>S)VY9:wY`? endobj 8 0 obj PMC Vail J, Rugg CM, Hame S. Lower Quarter Y-Balance Test Scores and Lower Extremity Injury in NCAA Division I Athletes. endobj The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). Candace Walker This site needs JavaScript to work properly. The intermediate rehabilitation phase goals: Quadriceps Index :''the ratio of involved-side quadriceps strength to uninvolved-side quadriceps strength"[4]. 2 0 obj There is no specific program that is superior to the others, however, there are similar goals within in all rehabilitation programs. Regaining full ROM for both knees should be aimed during rehabilitation. ,(s*@ ;@p'D2g g.wxaCOi!o\/~iwY_\R>9 ~:KmPDP\ S@YVPc^4?~)=TJ`sK+lvS|o%SMm 9 A/naYMM@&(gq[`-RKsUBH$m,'MCkOo0_^x0?W~6}Xlz*i:EsTJbcW#xsH/,x.29YgeULX!N$MS"7a4F.AaonTl@^O.l1wnxg(wYap_@s{T'\i*\eTG4@4c,lra;.$-mhJ]sKMDhK[)Ktq^u-1]~ vo!,bA A test battery consisting of a knee-extension, knee-flexion and leg-press muscle power test had high ability to determine deficits in leg power 6months after ACL injury and reconstruction and may contribute to the decision-making process when deciding whether and when patients can safely return to strenuous physical activities. The Vail sports test will give you an idea how your patient loads his/her injured knee which will reflect on running. Annals of the Academy of Medicine, Singapore. Request PDF | The Validity And Reliability Of The Vail Sport Test As A Measure Of Performance Following Anterior Cruciate Ligament Reconstruction | Objectives: To determine the validity and . Alter-G treadmill or pool running is helpful when you want to start with partial weight-bearing, progressing 5% each session till full weigh-bearing. For each of the test components, a clinician assesses the athlete's . In young patients with high functional demands, return to sports is allowed no earlier than 912 months after they have undergone a thorough rehabilitation programme, but it is known to be associated with secondary stiffness. Sixty-two per cent of patients who had ACL surgery returned to their previous level of sport at 5 years after ACL reconstruction, and the subgroups that did not return to sport because of fear of re-injury and because of an unstable knee found that the difference in knee outcome scores between these 3 groups were statistically significant. Younger Patients and Men Achieve Higher Outcome Scores Than Older Patients and Women After Anterior Cruciate Ligament Reconstruction. The results show that the described series of hop tests provide a reliable and valid performance-based outcome measure for patients undergoing rehabilitation following ACL reconstruction, and these findings support the use and facilitate the interpretation ofHop tests for research and clinical practice. How should clinicians rehabilitate patients after ACL reconstruction? Int J Sports Phys Ther. Annals of the Academy of Medicine, Singapore. 2 0 obj cOOPvqzjCp. Test; VHST: Vail Hip Sport Test; *predictive validity regarding injuries of lower extremity. 1 0 obj stream The Vail Sport Test, originally described by Hagerman and Atkins, 34 is a functional assessment to return to alpine skiing and has been used as a criterion to return to sport, as previously described in the literature. Depending on the previous level of strength, 1-12 reps for 1-3 sets with 2 minutes rest between sets. <>/Metadata 536 0 R/ViewerPreferences 537 0 R>> MpTp954A6eT! These goals should be prioritized depending on athletic needs. <> The validity and reliability of the Vail Sport Test as a measure of Back leg squat/Leg press for 10 rep at >70% of the predicted 10 RM. 1 0 obj Findings indicate that, while unilateral deficits are present in individuals following ACL reconstruction, they may not be evident during bipedal performance or during modified versions of double-limb performance activities. % PDF Return to Sports after Lower Extremity Injuries: Assessment of Movement Rev. Available from: Single Leg Drop Jump | OSU Sports Medicine. PDF Knee Sport Test - drpetre.com 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 No Difficulty Slight Difficulty Moderate Extreme Unable to do Twisting/pivoting on invloved leg Deep squatting Heavy work (push . ~. Increasing running tolerance should be gradual and slow for up to 4 weeks. <> Lai CCH, Ardern CL, Feller JA, Webster KE. Compared with matched healthy controls, the participants who underwent ACLR demonstrated an inferior objective profile at RTS, consisting of deficits in surgical limb loading, self-reported outcomes, and strength. The purpose of this clinical commentary is to provide the rehabilitation specialist such a program directed toward safely returning the athlete to alpine skiing. a dissertation . Epub 2017 Feb 21. Results: 9 0 obj Waldron K, Brown M, Calderon A, Feldman M. Andrade R, Pereira R, van Cingel R, Staal JB, Espregueira-Mendes J. Adams D, Logerstedt D, Hunter-Giordano A, Axe MJ, Snyder-Mackler L. Sinacore JA, Evans AM, Lynch BN, Joreitz RE, Irrgang JJ, Lynch AD. <> Supplies: Sport Cord (Topp er Sports Medicine, black cord) GoniometerStopwatch Description: The Athlete will perform single knee bends with cord resistance to 60 at a cadence of 1 second up and 1 second down for a goal of 3 minutes. PDF Lower Extremity Functional Testing Protocol - University of Kansas 1 . 2017-12-06T10:45:58-06:00 The reliability of the vail sport test as a measure of physical PDF The Validity and Reliability of The Vail Sport Test As a Measure - Tdl Objectives: To determine the validity and inter-session reliability of the Vail Sport TestTM. It could be described as a vicious cycle of abnormal loading pattern leading to loss of strength, resulting in more abnormal loading patterns. 2018 Jan;52(2):128-138. doi: 10.1136/bjsports-2016-096836. Early Operative Versus Delayed or Nonoperative Treatment of Anterior Cruciate Ligament Injuries in Pediatric Patients. International journal of sports physical therapy, PURPOSE/BACKGROUND PDF Functional Testing Protocol - KNEE The purposes of this study are 1) to describe a functional test (Vail Sport Test) that includes the evaluation of muscle strength, endurance, power, and movement quality in those patients attempting to return to sports following ACL reconstruction and 2) to assess the reliability of the Vail Sport Test.