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Biomechanics & Kinesiology Gait & Kinesiological Analysis

Sagittal & Frontal Plane Biomechanics in Trendelenburg & Compensated Abductor Gait

Topic Summary & Background: Biomechanical calculation of hip joint reaction forces (JRF) during single-leg stance phase and the mechanical advantage of using a cane in the contralateral hand.

Key Discussion Questions:
  • Why holding a walking stick in the CONTRALATERAL hand reduces hip joint compression by 60%.
  • Moments created by gluteus medius vs body weight lever arm.
  • Frontal plane pelvic drop vs lateral trunk lean compensation.
Standard Clinical Consensus: Standard Biomechanics Consensus: Contralateral cane placement increases the effort arm length and creates an additive abductor moment, dramatically reducing required gluteus medius tension and joint reaction force.
DA
Dr. Amit Varma, MPT (Biomechanics)
Kinesiology Chair • Just now
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