Coordination and symmetry patterns during the drop vertical jump, 6-months after first-time lateral ankle sprain.
To evaluate the adaptive movement and motor control patterns of a group with a 6-month history of first-time lateral ankle sprain (LAS) injury during a drop vertical jump (DVJ) task. Fifty-one participants with a 6-month history of first-time acute LAS injury and twenty controls performed a DVJ task. 3D kinematic and sagittal plane kinetic profiles were plotted for the lower extremity joints of both limbs for the drop jump (phase 1) and drop landing (phase 2) phases of the DVJ. Inter-limb symmetry and the rate of impact modulation (RIM) relative to bodyweight (BW) during both phases of the DVJ were also determined. LAS participants displayed bilateral increases in knee flexion and an increase in ankle inversion during phases 1 and 2, respectively. They also displayed reduced ankle plantar flexion on their injured limb during both phases of the DVJ (p < 0.05); increased inter-limb asymmetry of RIM was noted for both phases of the DVJ, while the moment-of-force profile exhibited bilaterally greater hip extensor dominance during phase 1. Participants with a 6-month history of first-time LAS display some movement patterns consistent with those observed in chronic ankle instability populations during similar tasks.
School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland.
Cailbhe
C
Doherty
Sport and Exercise Sciences Research Institute, Ulster Sports Academy, University of Ulster, Newtownabbey, Co. Antrim, Northern Ireland.
Chris
C
Bleakley
Department of Kinesiology, University of Virginia, Charlottesville, Virginia.
Jay
J
Hertel
School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland.|Insight Centre for Data Analytics, University College Dublin, Dublin, Ireland.
Brian
B
Caulfield
St. Vincent's University Hospital, Dublin, Ireland.
John
J
Ryan
Insight Centre for Data Analytics, University College Dublin, Dublin, Ireland.
Kevin
K
Sweeney
Insight Centre for Data Analytics, University College Dublin, Dublin, Ireland.
Matthew R
MR
Patterson
School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland.|Institute for Sport and Health, University College Dublin, Dublin, Ireland.
Eamonn
E
Delahunt
D000328:Adult; D016512:Ankle Injuries / Q000503:physiopathology*; D016022:Case-Control Studies; D005260:Female; D006801:Humans; D007596:Joints / Q000503:physiopathology*; D008297:Male; D055815:Young Adult
Task Performance and Analysis [MEsH]; ankle joint [MEsH]; biomechanics [MEsH]; kinematics [MEsH]; kinetics [MEsH]