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Article
The Relationship Between Lower Extremity Isokinetic Work and Single-Leg Functional Hop-Work Test
Journal of Sport Rehabilitation (2006)
  • Robert English, University of Kentucky
  • Mary Brannock, University of Kentucky
  • Wan Ting Chik, University of Kentucky
  • Laura S. Eastwood, University of Kentucky
  • Timothy L Uhl, University of Kentucky
Abstract

Context:

Lower extremity functional testing assesses strength, power, and neuromuscular control. There are only moderate correlations between distance hopped and isokinetic strength measures.

Objective:

Determine if incorporating body weight in the single-leg hop for distance increases the correlation to isokinetic measures.

Study Design:

Correlational study.

Setting:

Musculoskeletal laboratory.

Participants:

30 healthy college students; 15 men and 15 women; ages 18 to 30 years.

Main Outcome Measures:

Isokinetic average peak torque and total work of quadriceps and hamstrings and single-leg hop work and distance.

Results:

Significant correlations include hop work to total-work knee extension (r = .89), average peak-torque knee extension (r = .88), distance hopped to total-work knee extension (r = .56) and average peak-torque knee extension (r = .63). Correlations involving hop work were greater than distance hopped (P < .05).

Conclusions:

Use of body weight in the assessment of distance hopped provides better information about the patient’s lower extremity strength and ability than the distance hopped alone.

Keywords
  • knee,
  • strength,
  • functional outcome measure
Publication Date
May, 2006
Citation Information
Robert English, Mary Brannock, Wan Ting Chik, Laura S. Eastwood, et al.. "The Relationship Between Lower Extremity Isokinetic Work and Single-Leg Functional Hop-Work Test" Journal of Sport Rehabilitation Vol. 15 Iss. 2 (2006)
Available at: http://works.bepress.com/tim_uhl/26/