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Age-related differences in pelvic and trunk motion and gait adaptability at different walking speeds.
Gimmon, Yoav; Riemer, Raziel; Rashed, Hisham; Shapiro, Amir; Debi, Ronen; Kurz, Ilan; Melzer, Itshak.
Afiliación
  • Gimmon Y; Department of Physical Therapy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
  • Riemer R; Department of Industrial Engineering and Management, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
  • Rashed H; Department of Physical Therapy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
  • Shapiro A; Department of Mechanical Engineering, Faculty of Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
  • Debi R; Orthopedic Department, Barzilai Medical Center, Ashkelon, Israel.
  • Kurz I; Department of Physical Therapy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
  • Melzer I; Department of Physical Therapy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel. Electronic address: itzikm@bgu.ac.il.
J Electromyogr Kinesiol ; 25(5): 791-9, 2015 Oct.
Article en En | MEDLINE | ID: mdl-26091623
This study aimed at investigating age-related changes in gait kinematics and in kinematic adaptations over a wide range of walking velocities. Thirty-four older adults and 14 younger adults walked on a treadmill; the treadmill velocity was gradually increased in increments of 0.2miles/hour (mph) (1.1-1.9mph) and then decreased in the same increments. Pelvic, trunk, upper limbs and lower limbs angular total ranges of motion (tROM), stride time, stride length, and step width were measured. The older adults had lower pelvic, trunk tROM and shorter strides and stride time compared with the younger adults. As the treadmill speed was gradually increased, the older adults showed an inability to change the pelvic list angular motions (3.1±1.3° to 3.2±1.4°) between different walking velocities, while the younger adults showed changes (5.1±1.8° to 6.3±1.7°) as a function of the walking velocity. As the walking velocity increased, the older adults increased their stride length (from 57.0±10cm to 90.2±0.1cm) yet stride times remained constant (from 1.17±0.3sec to 1.08±0.1sec), while the younger adults increased stride length and reduced stride times (from 71.4±10cm to 103.0±7.9m and from 1.45±0.2sec to 1.22±0.1sec, respectively). In conclusion, the older adults were unable to make adaptations in pelvic and trunk kinematics between different walking speeds (rigid behavior), while the younger adults showed more flexible behavior. Pelvic and trunk kinematics in different walking speeds can be used as variables in the assessment of gait in older adults.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Envejecimiento / Adaptación Fisiológica / Caminata / Marcha Límite: Adult / Aged / Aged80 / Humans / Male Idioma: En Revista: J Electromyogr Kinesiol Asunto de la revista: FISIOLOGIA Año: 2015 Tipo del documento: Article País de afiliación: Israel Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Envejecimiento / Adaptación Fisiológica / Caminata / Marcha Límite: Adult / Aged / Aged80 / Humans / Male Idioma: En Revista: J Electromyogr Kinesiol Asunto de la revista: FISIOLOGIA Año: 2015 Tipo del documento: Article País de afiliación: Israel Pais de publicación: Reino Unido