scholarly journals Reliability of a device for the knee and ankle isometric and isokinetic strength testing in older adults

2019 ◽  
Vol 07 (02) ◽  
pp. 323
Author(s):  
M. Bergamin ◽  
S. Gobbo ◽  
V. Bullo ◽  
B. Vendramin ◽  
F. Duregon ◽  
...  
Keyword(s):  
Older Adults ◽  
Strength Testing ◽  
Isokinetic Strength ◽  
Isokinetic Strength Testing

Reproducibility of an Isokinetic Strength-Testing Protocol of the Knee and Ankle in Older Adults

Gerontology ◽  
2009 ◽  
Vol 55 (3) ◽  
pp. 259-268 ◽  
Author(s):  
Antonia Hartmann ◽  
Ruud Knols ◽  
Kurt Murer ◽  
Eling D. de Bruin
Keyword(s):  
Older Adults ◽  
Strength Testing ◽  
Isokinetic Strength ◽  
Testing Protocol ◽  
Isokinetic Strength Testing

scholarly journals RETURN TO PLAY ASSESSMENTS: RATES OF NEUROMUSCULAR ASYMMETRIES IN HEALTHY ADOLESCENT ATHLETES

2020 ◽  
Vol 8 (4_suppl3) ◽  
pp. 2325967120S0026
Author(s):  
Paul Jenkins ◽  
Arya Minaie ◽  
Jaime Bauerlein ◽  
David Piskulic ◽  
Tim Kirn ◽  
...  
Keyword(s):  
Quadriceps Strength ◽  
High Rate ◽  
Return To Play ◽  
Strength Testing ◽  
Isokinetic Strength ◽  
Limited Evidence ◽  
Healthy Adolescent ◽  
Patient Demographics ◽  
Adolescent Population ◽  
Isokinetic Strength Testing

Background: Return to play (RTP) assessments after ACL reconstruction attempt to identify patients with residual deficits that haven’t regained their preinjury function, in hopes of decreasing the high rate of reinjury in this population. However, the utility of common RTP assessments, including hop testing and Biodex isokinetic strength, remains to be better understood. In the adolescent population, RTP assessments commonly rely upon those used in adults with limited evidence. The purpose of the current study was to establish the performance of young healthy athletes on common RTP assessments. Methods: A prospective cohort study of 47 healthy athletes aged 12 to 16 years was performed. All athletes performed hop testing (4 components - single, triple, crossover and timed) and Biodex isokinetic strength (6 components - quadriceps and hamstring; 60, 180, 300 degrees/second). The results were compared to the contralateral leg with a deficit defined as greater than 10% less relative to the contralateral leg. Patient demographics including age, sex, BMI, and sport played, as well as the dominant and nondominant leg were recorded. Analysis was performed relative to a single extremity (total 94) to simulate the evaluation in the setting of ACL return to play. Results: A total of 17 males and 30 females were included, with 27 being 12-13 yo and 20 being 14-16 yo. Overall, at least one deficit was present in 61.7% of extremities. This was significantly more common in non-dominant (76.6%) than dominant (46.8%) extremities (p<0.001). Biodex isokinetic strength deficits were present in 55.3% of extremities, while hop testing deficits were present in 24.5% of extremities. A total of 17 extremities had deficits in both Biodex and hop testing, while 35 had isolated biodex deficits and 6 had isolated hop testing deficits. Biodex deficits were present for quadriceps strength in 18.1%, 7.4%, and 17.0% at 60, 180, and 300 degrees respectively, while deficits in hamstring strength were present in 27.7%, 11.7%, and 17.0% at 60, 180, and 300 degrees respectively. Hop testing deficits were present in 7.4% of single hop, 9.6% of triple hop, 9.6% of crossover hop, and 6.4% of timed hop testing. Conclusions: The current study demonstrates that asymmetries in strength and hop testing are common in adolescent healthy athletes. These deficits are more common for Biodex isokinetic strength testing than functional hop testing. Deficits are more likely to occur in the nondominant extremity.

scholarly journals Strength deficits and flexion range of motion following primary anterior cruciate ligament reconstruction differ between quadriceps and hamstring autografts

2020 ◽  
pp. jisakos-2020-000481
Author(s):  
Peta T Johnston ◽  
Julian A Feller ◽  
Jodie A McClelland ◽  
Kate E Webster
Keyword(s):  
Anterior Cruciate Ligament ◽  
Range Of Motion ◽  
Acl Reconstruction ◽  
Cruciate Ligament ◽  
Peak Torque ◽  
Strength Testing ◽  
Isokinetic Strength ◽  
Isokinetic Strength Testing ◽  
Anterior Cruciate ◽  
Anterior Knee

ObjectiveTo determine if anterior cruciate ligament (ACL) reconstruction with a quadriceps tendon (QT) could achieve faster postoperative recovery compared with hamstring tendon (HT) ACL reconstruction.MethodsThirty-seven QT patients were matched for gender, age and preinjury activity level with 74 HT patients. A 6-month postoperative assessment included standardised reported outcome measures: patient-reported outcome measures (PROMs) (International Knee Documentation Committee-subjective knee evaluation form, Knee injury and Osteoarthritis Outcome Score-knee related quality of life subscale, ACL-Return to Sport after Injury scale, Marx activity scale, anterior knee pain), range of motion (active, standing and passive), anterior knee laxity testing, hop tests (single and triple crossover hop for distance) and isokinetic strength testing of the knee extensors and flexors. T-tests or Mann Whitney U tests were used to compare data between groups.ResultsThere were no significant differences between the two groups for any of the PROMs. The HT group had reduced active and standing knee flexion range compared with the QT group (p<0.001). Isokinetic strength testing showed significant deficits in limb symmetry indices for both concentric hamstring peak torque at 60°/s (p<0.001) and 180°/s (p=0.01) in the HT group. There were significantly greater deficits in limb symmetry indices for concentric quadriceps peak torque at 60°/s (p<0.001) and 180°/s (p=0.001) in the QT group.ConclusionThe QT graft does not appear to offer a more rapid recovery in terms of knee symptoms or function which could have allowed for faster progression to the dynamic phases of rehabilitation.Level of evidenceLevel III.

scholarly journals Reliability of an isometric and isokinetic strength testing protocol of the knee and ankle in young adults

2019 ◽  
Vol 09 (03) ◽  
pp. 348
Author(s):  
S. Gobbo ◽  
M. Bergamin ◽  
V. Bullo ◽  
M. Bergamo ◽  
D.S. Bocalini ◽  
...  
Keyword(s):  
Young Adults ◽  
Strength Testing ◽  
Isokinetic Strength ◽  
Testing Protocol ◽  
Isokinetic Strength Testing
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