Jump landing among chronic ankle instability individuals who did or did not attend rehabilitation at the time of injury

The purpose was to compare vertical ground reaction forces and sagittal-plane energy dissipation patterns of the lower extremity during a single-limb jump-stabilization task between individuals with chronic ankle instability who did or did not attend rehabilitation after their initial ankle sprain....

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Bibliographic Details
Published in:Physical therapy in sport 2022-09, Vol.57, p.26-32
Main Authors: Kosik, Kyle B., Hoch, Matthew C., Hartzell, Jacob T., Bain, Katherine A., Slone, Stacey, Gribble, Phillip A.
Format: Article
Language:English
Subjects:
Ankle
Digital cameras
Energy dissipation
Exercise
Forceplate
Jump-stabilization
Jumping
Kinematics
Laboratories
Medical treatment
Physical therapy
Questionnaires
Rehabilitation
Self report
Sports medicine
Vertical ground reaction force
Warm up (exercise)
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Summary:The purpose was to compare vertical ground reaction forces and sagittal-plane energy dissipation patterns of the lower extremity during a single-limb jump-stabilization task between individuals with chronic ankle instability who did or did not attend rehabilitation after their initial ankle sprain. Cross-sectional. Research laboratory. Eight participants with chronic ankle instability who did and 12 participants who did not attend rehabilitation were enrolled. Normalized vertical ground reaction force data were used to calculate the average loading rate, time to peak force, and the peak force. Sagittal plane kinematics and joint moments at the ankle, knee, and hip, were used to calculate each joint's relative energy dissipation at 50, 100, 150, and 200 ms post-landing. Participants who attended rehabilitation had a slower average loading rate (P = 0.025) and smaller peak vertical ground reaction force (P = 0.025). The average relative energy dissipation at the knee was higher in those who attended rehabilitation at the 100 ms (P = 0.041), 150 ms (P = 0.046), and 200 ms (P = 0.042) time intervals. Attending rehabilitation after an ankle sprain may have a beneficial effect on jump-stabilization outcomes among individuals with chronic ankle instability. •Attending rehabilitation was associated with lesser vertical ground reaction forces.•Attending rehabilitation was associated with higher energy dissipation at the knee.•Ankle sprain rehabilitation has a beneficial effect in those with chronic ankle instability.
ISSN:1466-853X
1873-1600
DOI:10.1016/j.ptsp.2022.07.005