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The Single Leg Bridge Test does not replace handheld dynamometer hamstring tests in a clinical setting
Bruno de Quadros Robaina1, Diulian Muniz Medeiros1, Lucas de Souza Roberti1
1Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, Brazil.
Objective:
To examine the correlation of Single Leg Bridge Test (SLBT) scores with maximum isometric strength values obtained in handheld dynamometer (HHD) hamstring tests performed in a clinical setting.
Design:
Cross-sectional study.
Setting:
Physical therapy clinic.
Participants:
Fifty healthy and physically active men.
Main Outcome Measures:
Correlation between SLBT scores and force values found in three HHD hamstring tests: test 'A', volunteer in prone with hip in neutral position and the knee flexed at ∼90°; test 'B', volunteer in supine with hip and knee flexed at ∼90°; and test 'C', volunteer in the same position used to perform the SLBT.
Results:
The volunteers' SLBT score was 27.55 ± 7.81 repetitions. The SLBT scores were poorly associated with mean (r = 0.246) and peak (r = 0.321) results provided by HHD test 'A'. There were no significant correlations between the SLBT scores and mean or peak values obtained in tests 'B' and 'C' (p > 0.05). Similarly, the SLBT between-limb asymmetry was not associated with asymmetries found in HHD hamstring tests (p > 0.05).
Conclusions:
HHD hamstring tests should not be replaced by the SLBT. We recommend for clinicians to applying such tests in a complementary way to assess the hamstring's functional status.
