Effectiveness of Dry Needling in Athletes With Chronic Hamstring Strain
Effectiveness of Dry Needling on Athletes With Chronic Hamstring Strain
This study aims to evaluate the effectiveness of dry needling in reducing pain and improving functional outcomes in athletes with chronic hamstring strain. Chronic hamstring injuries are common among athletes and often lead to persistent pain, reduced performance, and limitations in daily and sports activities.
Dry needling is a therapeutic technique used to target myofascial trigger points and relieve muscle tension. This study will compare the effects of dry needling with conventional physiotherapy interventions to determine its role in managing chronic hamstring strain.
Participants will be athletes diagnosed with chronic hamstring strain. Outcomes will include pain intensity, muscle flexibility, and functional performance. The results of this study may help improve rehabilitation strategies and provide evidence for the use of dry needling in sports injuries.
調査の概要
詳細な説明
Chronic hamstring strain (CHS) is a common musculoskeletal condition among athletes, particularly in sports involving high-speed running and sudden changes in direction. It is characterized by persistent or recurrent symptoms lasting more than three months and is often associated with reduced muscle flexibility, decreased performance, and an increased risk of reinjury.
Dry needling (DN) has emerged as a therapeutic intervention targeting myofascial trigger points to reduce pain, improve muscle function, and restore neuromuscular control. It is believed to act through both mechanical and neurophysiological mechanisms, including reduction of muscle tension and modulation of pain pathways.
This study aims to investigate the effectiveness of dry needling as an adjunct to conventional physiotherapy in athletes with chronic hamstring strain. Participants will be randomly assigned into two groups. The experimental group will receive dry needling combined with a structured physiotherapy program, while the control group will receive the same physiotherapy program without dry needling.
The physiotherapy program will include stretching exercises, strengthening exercises with an emphasis on eccentric loading, and functional training. Dry needling will be applied to identified trigger points in the hamstring muscles using standard clinical techniques.
Outcome measures will include pain intensity, hamstring flexibility, and functional performance. Assessments will be conducted before and after the intervention period.
The results of this study are expected to provide evidence regarding the added value of dry needling in improving rehabilitation outcomes for athletes with chronic hamstring strain.
研究の種類
入学 (推定)
段階
- 適用できない
連絡先と場所
研究連絡先
- 名前：Amr Anas, BSc
- 電話番号：+201023924004
- メール：amr.anas109@gmail.com
研究場所
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Alexandria Governorate
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Alexandria、Alexandria Governorate、エジプト
- Abu Qir General Hospital
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コンタクト：
- Amr Anas, BSc
- 電話番号：+201023924004
- メール：amr.anas109@gmail.com
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-
参加基準
適格基準
就学可能な年齢
- 大人
健康ボランティアの受け入れ
説明
Inclusion Criteria:
- Male football players aged 18 to 35 years.
- Diagnosed with chronic hamstring strain (CHS) confirmed by ultrasonography.
- Injury duration of more than 3 months.
- Classified as Grade I or Grade II hamstring strain.
- Currently participating in the competitive phase of football.
- Body Mass Index (BMI) between 21-25 kg/m².
Exclusion Criteria:
- Previous exposure to dry needling therapy.
- Presence of any other current lower limb injuries.
- Participation in another hamstring rehabilitation program.
- Active skin infection at or near the treatment area.
- Bleeding disorders or use of anticoagulant medications.
- Severe needle phobia or psychological intolerance to needling.
- Presence of neuromuscular disorders (e.g., muscular dystrophy or peripheral neuropathy).
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 主な目的：処理
- 割り当て：ランダム化
- 介入モデル：並列代入
- マスキング：なし（オープンラベル）
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
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アクティブコンパレータ：Control Group (A)
Participants will receive only the standard rehabilitation program without dry needling.
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Participants will receive a standardized rehabilitation program including stretching and eccentric strengthening exercises for hamstring muscles without dry needling.
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実験的：Intervention Group (B)
Participants will receive dry needling treatment in addition to a standard rehabilitation program for chronic hamstring strain
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Participants will receive a standardized rehabilitation program including stretching and eccentric strengthening exercises for hamstring muscles without dry needling.
Participants will receive dry needling treatment applied to active myofascial trigger points in the hamstring muscles (biceps femoris, semitendinosus, and semimembranosus).
Sterile filiform needles will be inserted into identified trigger points to elicit local twitch responses and reduce muscle pain and tightness.
Treatment will be performed in addition to a standardized rehabilitation program including stretching and strengthening exercises for the hamstring muscle group.
Sessions will be administered over the study period according to a predefined treatment schedule.
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この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Pain Intensity
時間枠：Baseline (pre-intervention) and after 6 weeks of treatment
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Pain intensity in chronic hamstring strain will be assessed using the Visual Analog Scale (VAS), a 10-cm scale ranging from 0 (no pain) to 10 (worst imaginable pain).
Measurements will be taken at baseline and after completion of the intervention period to evaluate changes in pain perception.
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Baseline (pre-intervention) and after 6 weeks of treatment
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Functional Performance
時間枠：Baseline (pre-intervention) and after 6 weeks of treatment
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Functional outcomes will be assessed using the Lower Extremity Functional Scale (LEFS) to evaluate the impact of intervention on daily and sports-related activities.
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Baseline (pre-intervention) and after 6 weeks of treatment
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Hamstring Muscle Strength
時間枠：Baseline (pre-intervention) and after 6 weeks of treatment
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Hamstring muscle strength will be measured using a handheld dynamometer during maximal isometric contraction.
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Baseline (pre-intervention) and after 6 weeks of treatment
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Hamstring Flexibility
時間枠：Baseline (pre-intervention) and after 6 weeks of treatment
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Hamstring flexibility will be assessed using the popliteal angle test with a universal goniometer.
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Baseline (pre-intervention) and after 6 weeks of treatment
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Kicking Speed
時間枠：Baseline (pre-intervention) and after 6 weeks of treatment
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Kicking speed will be measured using a radar gun to assess football-specific performance.
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Baseline (pre-intervention) and after 6 weeks of treatment
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協力者と研究者
スポンサー
捜査官
- 主任研究者：Amr Anas, BSc、Cairo university
- スタディディレクター：Ebtessam Gomaa, PhD、Cairo university
- スタディディレクター：Marihan Makary、Cairo university
出版物と役立つリンク
一般刊行物
- Petersen J, Thorborg K, et al. Eccentric training prevents hamstring injuries. Am J Sports Med. 2011;39(11):2296-2303.
- Espejo-Antúnez L, et al. Dry needling systematic review. Complement Ther Med. 2017;33:46-57. https://doi.org/10.1016/j.ctim.2017.06.004
- Ekstrand J, Hägglund M, Waldén M. Muscle injuries in professional football. Am J Sports Med. 2016;44(3):576-585. https://doi.org/10.1177/0363546515621377
- Dunning J, et al. Dry needling clinical practice review. Phys Ther Rev. 2021;26(5-6):287-307. https://doi.org/10.1080/10833196.2021.1983244
- Croisier JL. Recurrent hamstring injury risk factors. Sports Med. 2004;34(10):681-695. https://doi.org/10.2165/00007256-200434100-00005
- Chaabene H, et al. Hamstring strength assessment systematic review. Sports Med Open. 2019;5:23. https://doi.org/10.1186/s40798-019-0198-7
- Chamorro C, et al. Reliability of handheld dynamometry and isokinetic testing. Open Med. 2014;9(4):382-397. https://doi.org/10.1515/med-2014-0058
- Canosa-Carro L, et al. Dry needling effects on hamstring flexibility and performance. J Sport Rehabil. 2022;31(3):254-261. https://doi.org/10.1123/jsr.2020-0225
- Buckthorpe M, et al. Hamstring injuries in football: risk factors and RTP. Br J Sports Med. 2020;54(19):1081-1091.
- Brukner P. Hamstring injuries: prevention and treatment update. Br J Sports Med. 2015;49(19):1241-1244. https://doi.org/10.1136/bjsports-2014-094427
- Bourne MN, et al. Eccentric training and hamstring injury risk. Scand J Med Sci Sports. 2017;27(11):1180-1187.
- Bahr R, et al. Hamstring injury prevention programs: systematic review. Br J Sports Med. 2018;52(17):1077-1085.
- Bahr R, Thorborg K, Ekstrand J. Nordic hamstring survey and prevention adherence. Br J Sports Med. 2015;49(22):1466-1471. https://doi.org/10.1136/bjsports-2015-094826
- Askling CM, Tengvar M, Saartok T, Thorstensson A. Acute hamstring injuries in elite football: RCT comparing rehabilitation protocols. Br J Sports Med. 2013;47(15):953-959. https://doi.org/10.1136/bjsports-2013-092165
- Ahmad CS, Redler LH, Ciccotti MG, Maffulli N, Longo UG, Bradley J. Evaluation and management of hamstring injuries. Am J Sports Med. 2013;41(2):293-302. https://doi.org/10.1177/0363546512466064
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研究開始 (推定)
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その他の研究ID番号
- P.T.REC/012/006296
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