Ankle Dorsiflexion Displacement During Landing is Associated With Initial Contact Kinematics but not Joint Displacement

Journal of Applied Biomechanics
Rebecca L BegalleDarin A Padua

Abstract

The ankle, knee, and hip joints work together in the sagittal plane to absorb landing forces. Reduced sagittal plane motion at the ankle may alter landing strategies at the knee and hip, potentially increasing injury risk; however, no studies have examined the kinematic relationships between the joints during jump landings. Healthy adults (N = 30; 15 male, 15 female) performed jump landings onto a force plate while three-dimensional kinematic data were collected. Joint displacement values were calculated during the loading phase as the difference between peak and initial contact angles. No relationship existed between ankle dorsiflexion displacement during landing and three-dimensional knee and hip displacements. However, less ankle dorsiflexion displacement was associated with landing at initial ground contact with larger hip flexion, hip internal rotation, knee flexion, knee varus, and smaller plantar flexion angles. Findings of the current study suggest that restrictions in ankle motion during landing may contribute to contacting the ground in a more flexed position but continuing through little additional motion to absorb the landing. Transverse plane hip and frontal plane knee positioning may also occur, which are known to...Continue Reading

Citations

Jun 22, 2016·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Anna Ruth Mason-MackayAnna Lorimer
Aug 22, 2015·Journal of Science and Medicine in Sport·A R Mason-MackayD Reid
Jun 12, 2019·Journal of Athletic Training·J Ty HopkinsMatthew K Seeley
Feb 8, 2018·Royal Society Open Science·Xin FangZhongli Jiang
Feb 12, 2021·Journal of Sport Rehabilitation·Louis HoweTheodoros M Bampouras
May 25, 2021·Computer Methods in Biomechanics and Biomedical Engineering·Marzieh Mojaddarasil, Mohammad Jafar Sadigh
Jun 15, 2021·Physical and Engineering Sciences in Medicine·Marzieh Mojaddarasil, Mohammad Jafar Sadigh

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