Eccentric training for shoulder abductors improves pain, function and isokinetic performance in subjects with shoulder impingement syndrome: a case series

Camargo, Paula Rezende; Ávila, Mariana Arias; Alburquerque‐Sendín, Francisco; Asso, Naoe A.; Hashimoto, Larissa H.; Salvini, Tania F.

doi:10.1590/s1413-35552011005000032

Cited by 12 publications

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“…This greater strength may be necessary to decelerate the rapid throwing movement of the upper limb 13 , 28 - 30 . We believe that these reference values for the H and NA groups may be useful in devising physical training or rehabilitation, as previous authors have demonstrated the effectiveness of preventive strengthening programs 14 .…”

Section: Discussionmentioning

confidence: 82%

“…Muscle variables obtained on an isokinetic dynamometer are useful in characterizing muscle status as they provide information about strength, power, endurance, and balance ratio (conventional and functional ratios). In this context, conventional balance ratio (external rotation/internal rotation in concentric action) and functional balance ratio (external rotation in eccentric action/internal rotation in concentric action) have been used by several authors in an attempt to identify muscle strength imbalances that may lead to injury 1 , 6 - 13 and to establish preventive shoulder muscular strengthening programs 14 , 15 .…”

Section: Introductionmentioning

confidence: 99%

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Shoulder isokinetic profile of male handball players of the Brazilian National Team

Andrade

Vancini

Lira

et al. 2013

Braz. J. Phys. Ther.

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BackgroundData obtained on an isokinetic dynamometer are useful to characterize muscle status and have been reported in muscle imbalance studies in different types of sport. However, few studies have assessed elite handball players to establish reference values. ObjectiveThe purpose of this study was to compare, for the dominant (D) and non-dominant (ND) side, the isokinetic profile of shoulder rotator muscle strength between male handball players (H) and asymptomatic non-athletes (NA). MethodIsokinetic concentric and eccentric strength tests for D upper limbs were performed by the H group (n=20) and the NA group (n=12). Internal and external rotator muscle peak torque in concentric action was assessed at 60°/s and 300°/s and in eccentric action at 300°/s. We also calculated conventional balance (the ratio of external rotator peak torque to internal rotator peak torque in concentric action) and functional balance (the ratio of external rotator peak torque in eccentric action to internal rotator peak torque in concentric action). ResultsIn the H group, dominant limbs were stronger in concentric action for external rotation at 60 and 300°/s. The conventional balance ratio for the D side was significantly lower at 60 and 300°/s for H compared to NA. The functional ratio for the D side was significantly lower at 300º/s for H compared to NA. ConclusionsCompared to asymptomatic non-athletes, handball players presented significant muscular imbalance resulting from daily sports practice, a known risk factor for shoulder injuries.

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Section: Discussionmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Shoulder isokinetic profile of male handball players of the Brazilian National Team

Andrade

Vancini

Lira

et al. 2013

Braz. J. Phys. Ther.

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“…This distribution was determined to have an 80% power to detect a 10-point difference in the mean change from baseline to 3-month DASH scores between treatment groups at α = 0:05. This estimate was based on DASH outcomes reported previously for the treatment of rotator cuff impingement with exercise therapy by Camargo et al and the surgical treatment of rotator cuff repair along with exercise therapy by Duzgun et al [30,31]. Enrolled patients were randomized at a 1 : 1 ratio between the two groups.…”

Section: Methodsmentioning

confidence: 99%

A Randomized Controlled Trial of the Treatment of Rotator Cuff Tears with Bone Marrow Concentrate and Platelet Products Compared to Exercise Therapy: A Midterm Analysis

Centeno

Fausel

Stemper³

et al. 2020

Stem Cells International

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Injectable regenerative therapies such as bone marrow concentrate (BMC) and platelet-rich plasma (PRP) may represent a safe alternative in the treatment of rotator cuff tears. This is a midterm review of a randomized, crossover trial comparing autologous BMC and platelet product injections versus exercise therapy in the treatment of partial and full-thickness supraspinatus tears. Patients enrolled into the study were between 18 and 65 years of age presenting to an outpatient orthopedic clinic with partial to full thickness, nonretracted supraspinatus tendon tears. Enrolled patients were randomized to either ultrasound-guided autologous BMC with PRP and platelet lysate (PL) percutaneous injection treatment or exercise therapy. Patients could cross over to BMC treatment after at least 3 months of exercise therapy. Patients completed the Disability of the Arm, Shoulder and Hand (DASH) scores as the primary outcome measure. Secondary outcomes included the numeric pain scale (NPS), a modified Single Assessment Numeric Evaluation (SANE), and a blinded MRI review. At this midterm review, results from 25 enrolled patients who have reached at least 12-month follow-up are presented. No serious adverse events were reported. Significant differences were seen in patient reported outcomes for the BMC treatment compared to exercise therapy at 3 and 6 months for pain, and for function and reported improvement (SANE) at 3 months (p<.05). Patients reported a mean 89% improvement at 24 months, with sustained functional gains and pain reduction. MRI review showed a size decrease of most tears post-BMC treatment. These findings suggest that ultrasound-guided BMC and platelet product injections are a safe and useful alternative to conservative exercise therapy of torn, nonretracted supraspinatus tendons. This trial is registered with NCT01788683.

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“…Given studies on patients with SIS, 4 , 8 , 20 , 27 , 33 , 42 , 55 we expected a mean baseline of 40 ± 17 points in the DASH questionnaire, 50% change in the PHLE group, and a 25% change in the LLE group. For a 2-sample pooled t test of a normal mean difference (2-sided significance level of 0.05, P ≤ .05), 100 patients per group were required to obtain a power of at least 98.5% for detecting a mean difference of 10 DASH points between the 2 groups.…”

Section: Methodsmentioning

confidence: 99%

Three Months of Progressive High-Load Versus Traditional Low-Load Strength Training Among Patients With Rotator Cuff Tendinopathy: Primary Results From the Double-Blind Randomized Controlled RoCTEx Trial

Ingwersen

Jensen

Sørensen

et al. 2017

Orthopaedic Journal of Sports Medicine

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Background:Progressive high-load exercise (PHLE) has led to positive clinical results in patients with patellar and Achilles tendinopathy. However, its effects on rotator cuff tendinopathy still need to be investigated.Purpose:To assess the clinical effects of PHLE versus low-load exercise (LLE) among patients with rotator cuff tendinopathy.Study Design:Randomized controlled trial; Level of evidence, 1.Methods:Patients with rotator cuff tendinopathy were recruited and randomized to 12 weeks of PHLE or LLE, stratified for concomitant administration of corticosteroid injection. The primary outcome measure was change from baseline to 12 weeks in the Disabilities of the Arm, Shoulder, and Hand (DASH) questionnaire, assessed in the intention-to-treat population.Results:A total of 100 patients were randomized to PHLE (n = 49) or LLE (n = 51). Mean changes in the DASH questionnaire were 7.11 points (95% CI, 3.07-11.16) and 8.39 points (95% CI, 4.35-12.44) in the PHLE and LLE groups, respectively; this corresponded to a statistically nonsignificant adjusted mean group difference of −1.37 points (95% CI, −6.72 to 3.99; P = .61). Similar nonsignificant results were seen for pain, range of motion, and strength. However, a significant interaction effect was found between the 2 groups and concomitant corticosteroid use (P = .028), with the largest positive change in DASH in favor of PHLE for the group receiving concomitant corticosteroid.Conclusion:The study results showed no superior benefit from PHLE over traditional LLE among patients with rotator cuff tendinopathy. Further investigation of the possible interaction between exercise type and corticosteroid injection is needed to establish optimal and potentially synergistic combinations of these 2 factors.Registration:NCT01984203 (ClinicalTrials.gov identifier): Rotator Cuff Tendinopathy Exercise Trial (RoCTEx).

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Eccentric training for shoulder abductors improves pain, function and isokinetic performance in subjects with shoulder impingement syndrome: a case series

Cited by 12 publications

References 0 publications

Shoulder isokinetic profile of male handball players of the Brazilian National Team

Shoulder isokinetic profile of male handball players of the Brazilian National Team

A Randomized Controlled Trial of the Treatment of Rotator Cuff Tears with Bone Marrow Concentrate and Platelet Products Compared to Exercise Therapy: A Midterm Analysis

Three Months of Progressive High-Load Versus Traditional Low-Load Strength Training Among Patients With Rotator Cuff Tendinopathy: Primary Results From the Double-Blind Randomized Controlled RoCTEx Trial

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