Materials: (1) Tape measure
Methods:
- Patients are instructed to stand on one leg and perform 3 consecutive hops as far as possible, landing on the same leg.
- The total distance for 3 consecutive hops is recorded.
Reliability:
| Study | Population | Type | ICC |
| Munro et al, 2011 | Recreational Female Athletes (Average age= 22.3) | Test-Retest Reliability | 0.80 |
| Recreational Male Athletes (Average age= 22.8) | 0.92 | ||
| Reid et al, 2007 | Young adults (Average age= 25.6) s/p ACLR | Test-Retest Reliability | 0.88 |
| Bolgla et al, 1997 | Asymptomatic Young adults (Average age= 24.5) | Test-Retest Reliability | 0.95 |
Normative Data:
| Study | Population | Study Design | Limb Symmetry Index | MDC |
| Munro et al, 2011 | Recreational Female Athletes (Average age= 22.3) | Descriptive Laboratory Study | 98.9% | – |
| Recreational Male Athletes (Average age= 22.8) | 99.3% | – | ||
| 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 ) | 91.0% | – | ||
| Reid et al, 2007 | Young adults (Average age= 25.6) 16 weeks s/p ACLR | Prospective, observational with repeated measures | 82.6% | 10.0% |
| Young adults (Average age= 25.6) 22 weeks s/p ACLR | 87.7% | 10.0% | ||
| Keays et al, 2003 | Young Adults s/p ACLR (Average age= 27.0) | Cohort Study | 86.5% | – |
Research:
1. Bolgla LA, Keskula DR. Reliability of lower extremity functional performance tests. Journal of Orthopaedic & Sports Physical Therapy. 1997; 26: 138-142.
2. Reid A, et al. Hop Testing Provides a Reliable and Valid Outcome Measure During Rehabilitation After Anterior Cruciate Ligament Reconstruction. Physical Therapy. 2007; 87(3): 337–349.
3. Munro AG, Herrington LC. Between-session reliability of four hop tests and the agility T-test. Journal of Strength & Conditioning Research. 2011; 25(5): 1470-1477.
4. Myer GD, et al. Utilization of Modified NFL Combine Testing to Identify Functional Deficits in Athletes Following ACL Reconstruction. Journal of Orthopaedic & Sports Physical Therapy. 2011; 41(6): 377–388.
Continued Reading…
John Snyder, DPT 