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Items: 1 to 50 of 51

1.

Muscle contributions to medial and lateral tibiofemoral compressive loads during sidestep cutting.

Maniar N, Bryant AL, Sritharan P, Schache AG, Opar DA.

J Biomech. 2020 Mar 5;101:109641. doi: 10.1016/j.jbiomech.2020.109641. Epub 2020 Jan 16.

PMID:
32057443
2.

Pain-Free Versus Pain-Threshold Rehabilitation Following Acute Hamstring Strain Injury: A Randomized Controlled Trial.

Hickey JT, Timmins RG, Maniar N, Rio E, Hickey PF, Pitcher CA, Williams MD, Opar DA.

J Orthop Sports Phys Ther. 2020 Feb;50(2):91-103. doi: 10.2519/jospt.2020.8895.

PMID:
32005093
3.

Factors that Impact Self-reported Wellness Scores in Elite Australian Footballers.

Ruddy JD, Cormack S, Timmins RG, Sakadjian A, Pietsch S, Carey DL, Williams MD, Opar DA.

Med Sci Sports Exerc. 2019 Dec 31. doi: 10.1249/MSS.0000000000002244. [Epub ahead of print]

PMID:
31895301
4.

Modeling the Risk of Team Sport Injuries: A Narrative Review of Different Statistical Approaches.

Ruddy JD, Cormack SJ, Whiteley R, Williams MD, Timmins RG, Opar DA.

Front Physiol. 2019 Jul 9;10:829. doi: 10.3389/fphys.2019.00829. eCollection 2019.

5.

Session Availability as a Result of Prior Injury Impacts the Risk of Subsequent Non-contact Lower Limb Injury in Elite Male Australian Footballers.

Ruddy JD, Pietsch S, Maniar N, Cormack SJ, Timmins RG, Williams MD, Carey DL, Opar DA.

Front Physiol. 2019 Jun 14;10:737. doi: 10.3389/fphys.2019.00737. eCollection 2019.

6.

Pain-Free Versus Pain-Threshold Rehabilitation Following Acute Hamstring Strain Injury: A Randomized Controlled Trial.

Hickey JT, Timmins RG, Maniar N, Rio E, Hickey PF, Pitcher CA, Williams MD, Opar DA.

J Orthop Sports Phys Ther. 2019 Jun 28:1-35. doi: 10.2519/jospt.2019.8895. [Epub ahead of print]

PMID:
31253060
7.

Razor hamstring curl and Nordic hamstring exercise architectural adaptations: Impact of exercise selection and intensity.

Pollard CW, Opar DA, Williams MD, Bourne MN, Timmins RG.

Scand J Med Sci Sports. 2019 May;29(5):706-715. doi: 10.1111/sms.13381. Epub 2019 Feb 5.

PMID:
30629773
8.

Lower-limb muscle function during sidestep cutting.

Maniar N, Schache AG, Cole MH, Opar DA.

J Biomech. 2019 Jan 3;82:186-192. doi: 10.1016/j.jbiomech.2018.10.021. Epub 2018 Oct 26.

PMID:
30448192
9.

Response.

Ruddy JD, Maniar N, Williams MD, Duhig S, Timmins RG, Hickey J, Bourne MN, Opar DA.

Med Sci Sports Exerc. 2018 Dec;50(12):2615-2616. doi: 10.1249/MSS.0000000000001728. No abstract available.

PMID:
30431546
10.

Effect of acute augmented feedback on between limb asymmetries and eccentric knee flexor strength during the Nordic hamstring exercise.

Chalker WJ, Shield AJ, Opar DA, Rathbone EN, Keogh JWL.

PeerJ. 2018 Jun 7;6:e4972. doi: 10.7717/peerj.4972. eCollection 2018.

11.

Infographic. The effect of high-speed running on hamstring strain injury risk.

Duhig SJ, Shield AJ, Opar D, Gabbett TJ, Ferguson C, Williams M.

Br J Sports Med. 2019 Aug;53(16):1034-1035. doi: 10.1136/bjsports-2018-099358. Epub 2018 Apr 12. No abstract available.

PMID:
29650521
12.

The effect of Nordic hamstring exercise training volume on biceps femoris long head architectural adaptation.

Presland JD, Timmins RG, Bourne MN, Williams MD, Opar DA.

Scand J Med Sci Sports. 2018 Jul;28(7):1775-1783. doi: 10.1111/sms.13085. Epub 2018 May 8.

PMID:
29572976
13.
14.

Predictive Modeling of Hamstring Strain Injuries in Elite Australian Footballers.

Ruddy JD, Shield AJ, Maniar N, Williams MD, Duhig S, Timmins RG, Hickey J, Bourne MN, Opar DA.

Med Sci Sports Exerc. 2018 May;50(5):906-914. doi: 10.1249/MSS.0000000000001527.

PMID:
29266094
15.

An Evidence-Based Framework for Strengthening Exercises to Prevent Hamstring Injury.

Bourne MN, Timmins RG, Opar DA, Pizzari T, Ruddy JD, Sims C, Williams MD, Shield AJ.

Sports Med. 2018 Feb;48(2):251-267. doi: 10.1007/s40279-017-0796-x. Review.

PMID:
29116573
16.

A Novel Apparatus to Measure Knee Flexor Strength During Various Hamstring Exercises: A Reliability and Retrospective Injury Study.

Hickey JT, Hickey PF, Maniar N, Timmins RG, Williams MD, Pitcher CA, Opar DA.

J Orthop Sports Phys Ther. 2018 Feb;48(2):72-80. doi: 10.2519/jospt.2018.7634. Epub 2017 Oct 26.

PMID:
29073840
17.

Hamstring myoelectrical activity during three different kettlebell swing exercises.

Del Monte MJ, Opar DA, Timmins RG, Ross J, Keogh JW, Lorenzen C.

J Strength Cond Res. 2017 Sep 11. doi: 10.1519/JSC.0000000000002254. [Epub ahead of print]

PMID:
28930870
18.

Effect of Prior Injury on Changes to Biceps Femoris Architecture across an Australian Football League Season.

Timmins RG, Bourne MN, Hickey JT, Maniar N, Tofari PJ, Williams MD, Opar DA.

Med Sci Sports Exerc. 2017 Oct;49(10):2102-2109. doi: 10.1249/MSS.0000000000001333.

PMID:
28548976
19.

There is strength in numbers for muscle injuries: it is time to establish an international collaborative registry.

van Dyk N, van der Made AD, Timmins RG, Opar DA, Tol JL.

Br J Sports Med. 2018 Oct;52(19):1228-1229. doi: 10.1136/bjsports-2016-097318. Epub 2017 May 5. No abstract available.

PMID:
28476900
20.

Drop punt kicking induces eccentric knee flexor weakness associated with reductions in hamstring electromyographic activity.

Duhig SJ, Williams MD, Minett GM, Opar D, Shield AJ.

J Sci Med Sport. 2017 Jun;20(6):595-599. doi: 10.1016/j.jsams.2016.09.006. Epub 2016 Sep 20.

PMID:
28314618
21.

Criteria for Progressing Rehabilitation and Determining Return-to-Play Clearance Following Hamstring Strain Injury: A Systematic Review.

Hickey JT, Timmins RG, Maniar N, Williams MD, Opar DA.

Sports Med. 2017 Jul;47(7):1375-1387. doi: 10.1007/s40279-016-0667-x. Review.

PMID:
28035586
22.

Running exposure is associated with the risk of hamstring strain injury in elite Australian footballers.

Ruddy JD, Pollard CW, Timmins RG, Williams MD, Shield AJ, Opar DA.

Br J Sports Med. 2018 Jul;52(14):919-928. doi: 10.1136/bjsports-2016-096777. Epub 2016 Nov 24.

PMID:
27884865
23.

Impact of the Nordic hamstring and hip extension exercises on hamstring architecture and morphology: implications for injury prevention.

Bourne MN, Duhig SJ, Timmins RG, Williams MD, Opar DA, Al Najjar A, Kerr GK, Shield AJ.

Br J Sports Med. 2017 Mar;51(5):469-477. doi: 10.1136/bjsports-2016-096130. Epub 2016 Sep 22. Erratum in: Br J Sports Med. 2019 Mar;53(6):e2.

PMID:
27660368
24.

Impact of exercise selection on hamstring muscle activation.

Bourne MN, Williams MD, Opar DA, Al Najjar A, Kerr GK, Shield AJ.

Br J Sports Med. 2017 Jul;51(13):1021-1028. doi: 10.1136/bjsports-2015-095739. Epub 2016 May 13.

PMID:
27467123
25.

Effect of high-speed running on hamstring strain injury risk.

Duhig S, Shield AJ, Opar D, Gabbett TJ, Ferguson C, Williams M.

Br J Sports Med. 2016 Dec;50(24):1536-1540. doi: 10.1136/bjsports-2015-095679. Epub 2016 Jun 10.

PMID:
27288515
26.

Hamstring strength and flexibility after hamstring strain injury: a systematic review and meta-analysis.

Maniar N, Shield AJ, Williams MD, Timmins RG, Opar DA.

Br J Sports Med. 2016 Aug;50(15):909-20. doi: 10.1136/bjsports-2015-095311. Epub 2016 Apr 13. Review.

PMID:
27075962
27.

Comparisons of eccentric knee flexor strength and asymmetries across elite, sub-elite and school level cricket players.

Chalker WJ, Shield AJ, Opar DA, Keogh JW.

PeerJ. 2016 Feb 18;4:e1594. doi: 10.7717/peerj.1594. eCollection 2016.

28.

Architectural adaptations of muscle to training and injury: a narrative review outlining the contributions by fascicle length, pennation angle and muscle thickness.

Timmins RG, Shield AJ, Williams MD, Lorenzen C, Opar DA.

Br J Sports Med. 2016 Dec;50(23):1467-1472. doi: 10.1136/bjsports-2015-094881. Epub 2016 Jan 27. Review.

PMID:
26817705
29.

Short biceps femoris fascicles and eccentric knee flexor weakness increase the risk of hamstring injury in elite football (soccer): a prospective cohort study.

Timmins RG, Bourne MN, Shield AJ, Williams MD, Lorenzen C, Opar DA.

Br J Sports Med. 2016 Dec;50(24):1524-1535. doi: 10.1136/bjsports-2015-095362. Epub 2015 Dec 16.

PMID:
26675089
30.

Architectural Changes of the Biceps Femoris Long Head after Concentric or Eccentric Training.

Timmins RG, Ruddy JD, Presland J, Maniar N, Shield AJ, Williams MD, Opar DA.

Med Sci Sports Exerc. 2016 Mar;48(3):499-508. doi: 10.1249/MSS.0000000000000795.

PMID:
26460634
31.

Biceps Femoris Architecture and Strength in Athletes with a Previous Anterior Cruciate Ligament Reconstruction.

Timmins RG, Bourne MN, Shield AJ, Williams MD, Lorenzen C, Opar DA.

Med Sci Sports Exerc. 2016 Mar;48(3):337-45. doi: 10.1249/MSS.0000000000000783.

PMID:
26429732
32.

Reliability of measures of quadriceps muscle function using magnetic stimulation.

Tofari PJ, Opar DA, Kemp JG, Billaut F, Cormack S.

Muscle Nerve. 2016 May;53(5):770-8. doi: 10.1002/mus.24926. Epub 2016 Mar 28.

PMID:
26427047
33.

Is There Evidence to Support the Use of the Angle of Peak Torque as a Marker of Hamstring Injury and Re-Injury Risk?

Timmins RG, Shield AJ, Williams MD, Opar DA.

Sports Med. 2016 Jan;46(1):7-13. doi: 10.1007/s40279-015-0378-8. Review.

PMID:
26342386
34.

Eccentric Knee Flexor Strength and Risk of Hamstring Injuries in Rugby Union: A Prospective Study.

Bourne MN, Opar DA, Williams MD, Shield AJ.

Am J Sports Med. 2015 Nov;43(11):2663-70. doi: 10.1177/0363546515599633. Epub 2015 Sep 2.

PMID:
26337245
35.

Muscle activation patterns in the Nordic hamstring exercise: Impact of prior strain injury.

Bourne MN, Opar DA, Williams MD, Al Najjar A, Shield AJ.

Scand J Med Sci Sports. 2016 Jun;26(6):666-74. doi: 10.1111/sms.12494. Epub 2015 Jun 9.

PMID:
26059634
36.

The juxtaposition of science and medicine in sport. Can we all play together nicely?

Opar DA, Rio E.

Br J Sports Med. 2015 May;49(10):640-1. doi: 10.1136/bjsports-2015-094819. No abstract available.

PMID:
25926595
37.

Acute injuries in track and field athletes: a 3-year observational study at the Penn Relays Carnival with epidemiology and medical coverage implications.

Opar D, Drezner J, Shield A, Williams M, Webner D, Sennett B, Kapur R, Cohen M, Ulager J, Cafengiu A, Cronholm PF.

Am J Sports Med. 2015 Apr;43(4):816-22. doi: 10.1177/0363546514562553. Epub 2015 Jan 5.

PMID:
25560540
38.

The effect of previous hamstring strain injuries on the change in eccentric hamstring strength during preseason training in elite Australian footballers.

Opar DA, Williams MD, Timmins RG, Hickey J, Duhig SJ, Shield AJ.

Am J Sports Med. 2015 Feb;43(2):377-84. doi: 10.1177/0363546514556638. Epub 2014 Nov 14.

PMID:
25398244
39.

Comparison of anthropometry, upper-body strength, and lower-body power characteristics in different levels of Australian football players.

Bilsborough JC, Greenway KG, Opar DA, Livingstone SG, Cordy JT, Bird SR, Coutts AJ.

J Strength Cond Res. 2015 Mar;29(3):826-34. doi: 10.1519/JSC.0000000000000682.

PMID:
25226309
40.

Biceps femoris long head architecture: a reliability and retrospective injury study.

Timmins RG, Shield AJ, Williams MD, Lorenzen C, Opar DA.

Med Sci Sports Exerc. 2015 May;47(5):905-13. doi: 10.1249/MSS.0000000000000507.

PMID:
25207929
41.

Eccentric hamstring strength and hamstring injury risk in Australian footballers.

Opar DA, Williams MD, Timmins RG, Hickey J, Duhig SJ, Shield AJ.

Med Sci Sports Exerc. 2015 Apr;47(4):857-65. doi: 10.1249/MSS.0000000000000465.

PMID:
25137368
42.

The accuracy and precision of DXA for assessing body composition in team sport athletes.

Bilsborough JC, Greenway K, Opar D, Livingstone S, Cordy J, Coutts AJ.

J Sports Sci. 2014;32(19):1821-8. doi: 10.1080/02640414.2014.926380. Epub 2014 Jun 10.

PMID:
24914773
43.

Reduced biceps femoris myoelectrical activity influences eccentric knee flexor weakness after repeat sprint running.

Timmins RG, Opar DA, Williams MD, Schache AG, Dear NM, Shield AJ.

Scand J Med Sci Sports. 2014 Aug;24(4):e299-305. doi: 10.1111/sms.12171. Epub 2014 Jan 15.

PMID:
24422638
44.

Acute hamstring strain injury in track-and-field athletes: A 3-year observational study at the Penn Relay Carnival.

Opar DA, Drezner J, Shield A, Williams M, Webner D, Sennett B, Kapur R, Cohen M, Ulager J, Cafengiu A, Cronholm PF.

Scand J Med Sci Sports. 2014 Aug;24(4):e254-9. doi: 10.1111/sms.12159. Epub 2013 Dec 15.

PMID:
24330073
45.

The financial cost of hamstring strain injuries in the Australian Football League.

Hickey J, Shield AJ, Williams MD, Opar DA.

Br J Sports Med. 2014 Apr;48(8):729-30. doi: 10.1136/bjsports-2013-092884. Epub 2013 Oct 11.

PMID:
24124035
46.

Is there a potential relationship between prior hamstring strain injury and increased risk for future anterior cruciate ligament injury?

Opar DA, Serpell BG.

Arch Phys Med Rehabil. 2014 Feb;95(2):401-5. doi: 10.1016/j.apmr.2013.07.028. Epub 2013 Oct 9. Review.

PMID:
24121082
47.

A novel device using the Nordic hamstring exercise to assess eccentric knee flexor strength: a reliability and retrospective injury study.

Opar DA, Piatkowski T, Williams MD, Shield AJ.

J Orthop Sports Phys Ther. 2013 Sep;43(9):636-40. doi: 10.2519/jospt.2013.4837.

PMID:
23886674
48.

The role of neuromuscular inhibition in hamstring strain injury recurrence.

Fyfe JJ, Opar DA, Williams MD, Shield AJ.

J Electromyogr Kinesiol. 2013 Jun;23(3):523-30. doi: 10.1016/j.jelekin.2012.12.006. Epub 2013 Feb 9. Review.

PMID:
23402871
49.

Knee flexor strength and bicep femoris electromyographical activity is lower in previously strained hamstrings.

Opar DA, Williams MD, Timmins RG, Dear NM, Shield AJ.

J Electromyogr Kinesiol. 2013 Jun;23(3):696-703. doi: 10.1016/j.jelekin.2012.11.004. Epub 2013 Jan 4.

PMID:
23290179
50.

Rate of torque and electromyographic development during anticipated eccentric contraction is lower in previously strained hamstrings.

Opar DA, Williams MD, Timmins RG, Dear NM, Shield AJ.

Am J Sports Med. 2013 Jan;41(1):116-25. doi: 10.1177/0363546512462809. Epub 2012 Oct 29.

PMID:
23108640

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