Type

Journal Article

Authors

Eamonn Delahunt
John Ryan
Brian Caulfield
Kevin Sweeney
Jay Hertel
Chris Bleakley
Cailbhe Doherty

Subjects

Physiotherapy & Sport

Topics
ankle joint drop jump ankle kinematics task performance and analysis vertical coordination symmetry patterns personal sensing lower extremity acute biomechanics

Lower extremity coordination and symmetry patterns during a drop vertical jump task following acute ankle sprain. (2014)

Abstract Evaluate the potentially adaptive movement patterns associated with acute lateral ankle sprain (LAS) using biomechanical analyzes. Thirty participants with acute LAS and nineteen controls performed a drop vertical jump (DVJ) task. 3D kinematic and sagittal plane kinetic profiles were plotted for the hip, knee and ankle 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 force development (RFD) relative to bodyweight (BW) during both phases of the DVJ were also determined. The LAS group displayed reduced ankle plantar-flexion on their injured limb during phase 2 of the DVJ, with greater associated inter-limb asymmetry for this movement (p<.05). The LAS group also displayed altered kinetic profiles, with increased inter-limb hip asymmetry for both phases of the DVJ (p<.05). This was associated with a decrease in the LAS participants' injured limb RFD during phase 2 of the DVJ when compared with that of controls (11.76±3.43BW/s vs 14.60±3.20BW/s; p=.01, η(2)=0.14). Participants with LAS display potentially aberrant coordination strategies during a DVJ as evidenced by an increased dependence on the non-injured limb.
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Full list of authors on original publication

Eamonn Delahunt, John Ryan, Brian Caulfield, Kevin Sweeney, Jay Hertel, Chris Bleakley, Cailbhe Doherty

Experts in our system

1
Eamonn Delahunt
University College Dublin
Total Publications: 115
 
2
John Ryan
University College Dublin
Total Publications: 54
 
3
Brian Caulfield
University College Dublin
Total Publications: 273
 
4
Kevin Sweeney
University College Dublin
Total Publications: 13
 
5
Jay Hertel
University College Dublin
Total Publications: 33
 
6
Chris Bleakley
University College Dublin
Total Publications: 103
 
7
Cailbhe Doherty
University College Dublin
Total Publications: 44