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Phys Ther Sport. 2019 Jul;38:30-35. doi: 10.1016/j.ptsp.2019.04.015. Epub 2019 Apr 24.

Athletes at late stage rehabilitation have persisting deficits in plantar- and dorsiflexion, and inversion (but not eversion) after ankle sprain.

Author information

1
Aspetar Sports Medicine Hospital, Sports City Street, Doha, 29222, Qatar. Electronic address: Mohsen.Abassi@aspetar.com.
2
High Point University, One University Parkway High Point, NC, 27268, USA. Electronic address: cbleakle@highpoint.edu.
3
Aspetar Sports Medicine Hospital, Sports City Street, Doha, 29222, Qatar. Electronic address: Rodney.whiteley@aspetar.com.

Abstract

OBJECTIVES:

Document reliability and normative data for a novel device measuring weight-bearing ankle range of motion after ankle injury.

DESIGN:

Cross-sectional Cohort, two occasions one day apart.

SETTING:

Sports medicine hospital.

PARTICIPANTS:

87 ankle-injured male athletes at a late stage of their rehabilitation and 25 uninjured subjects. The injured athletes had met all criteria to return to functional, on-field rehabilitation.

MAIN OUTCOME MEASURES:

Reliability (Intra-Class correlation Coefficient (ICC), and Minimum Detectable Change as a percent of the grand mean), weight-bearing range of motion (degrees) of dorsiflexion, plantarflexion, inversion, and eversion.

RESULTS:

Good (dorsiflexion = 0.82[0.76-0.87] and inversion = 0.81[0.75-0.86]) and excellent (plantarflexion = 0.93[0.90-0.95]) reliability was documented, however reliability for the eversion measure showed only fair reliability (0.61[0.49-0.70]). Reduced range of motion in the injured leg was seen in all 4 directions, however with different magnitudes: Large differences were plantarflexion (-8.5°, ES = 0.80), medium for dorsiflexion (-5.2°, 0.57), small for inversion (-4.8°, 0.36), and trivial for eversion (-1.7°, 0.15).

CONCLUSION:

The device demonstrated clinically useful reliability for measuring these ranges of motion in a functional, weight-bearing position. PF ROM showed the greatest reduction in range in these athletes at a late stage of their rehabilitation.

KEYWORDS:

Flexibility; Injury; Intra-rater; Measurement; Reliability

PMID:
31042613
DOI:
10.1016/j.ptsp.2019.04.015

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