Materials: (1) Tape measure, (1) Stop watch

Methods:

  • Subjects are instructed to perform large one-legged hops in series over the total distance (6m)
  • The stopwatch is started when the patient’s heel lifts from the starting position and is stopped the moment that the tested foot passes the finish line
  • Measurement is recorded to the nearest 10th of a second

Video Demonstration from Brian Schwabe, DPT, CSCS

Reliability:

Study Population Type ICC
Munro et al, 2011 Recreational Female Athletes (Average age= 22.3) Test-Retest Reliability 0.84
Recreational Male Athletes (Average age= 22.8) 0.60
Reid et al, 2007 Young adults (Average age= 25.6) s/p ACLR Test-Retest Reliability 0.82
Brosky et al, 1999 Young Males (Average age= 26.0) s/p ACLR Test-Retest Reliability 0.88 – 0.97
Bolgla et al, 1997 Asymptomatic Young adults (Average age= 24.5) Test-Retest Reliability 0.66

 

Normative Data:

Study Population Study Design Limb Symmetry Index MDC
Munro et al, 2011 Recreational Female Athletes (Average age= 22.3) Descriptive Laboratory Study 99.5%
Recreational Male Athletes (Average age= 22.8) 99.2%
Myers et al, 2011 Young adults w/o History of ACLR (Average age= 16.9) Case Control 100.0%
Young adults w/ History of ACLR (Average age=16.9 ) 96.0%
Reid et al, 2007 Young adults (Average age= 25.6) 16 weeks s/p ACLR Prospective, observational with repeated measures 81.7% 13.0%
Young adults (Average age= 25.6) 22 weeks s/p ACLR 89.6% 13.0%

Research:

1. Bolgla LA, Keskula DR. Reliability of lower extremity functional performance testsJournal of Orthopaedic & Sports Physical Therapy. 1997; 26: 138-142.

2. Brosky JA, Nitz AJ, Malone TR, et al. Intrarater reliability of selected clinical outcome measures following anterior cruciate ligament reconstructionJournal of Orthopaedic & Sports Physical Therapy. 1999; 29: 39-48.

3. Reid A, et al. Hop Testing Provides a Reliable and Valid Outcome Measure During Rehabilitation After Anterior Cruciate Ligament ReconstructionPhysical Therapy. 2007; 87(3): 337–349.

4. Munro AG, Herrington LC. Between-session reliability of four hop tests and the agility T-testJournal of Strength & Conditioning Research. 2011; 25(5): 1470-1477.

5. Myer GD, et al. Utilization of Modified NFL Combine Testing to Identify Functional Deficits in Athletes Following ACL ReconstructionJournal of Orthopaedic & Sports Physical Therapy. 2011; 41(6): 377–388.

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