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BIOMECHANICS APPLICATIONS

BIOMECHANICS APPLICATIONS. DEFINITIONS. Biomechanics - mechanics of structure & function Mechanics - statics & dynamics Statics - nonmoving systems Dynamics - kinetics & kinematics Kinetics - forces that cause movement Kinematics - describing motion. buoyancy centripetal elasticity

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BIOMECHANICS APPLICATIONS

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  1. BIOMECHANICS APPLICATIONS

  2. DEFINITIONS • Biomechanics - mechanics of structure &function • Mechanics - statics & dynamics • Statics - nonmoving systems • Dynamics - kinetics & kinematics • Kinetics - forces that cause movement • Kinematics - describing motion

  3. buoyancy centripetal elasticity fluid drag fluid lift friction gravity muscle pressure reaction Kinetics - forces

  4. Kinematics- describe movement • velocity - m/sec., degrees or rads/sec. (57.3) • acceleration - change in v OR change in direction • displacement - in meters or degrees or radians • momentum - M = mv OR L = I

  5. Efficient Movement • minimal energy expenditure • necessary for endurance sports and repetitive tasks in labor • allows performer to endure longer • allows performer to performer faster with less energy expended

  6. Effective Movement • not concerned with efficiency • most appropriate movements to achieve OPO [Overall Performance Objective] • most appropriate sequence of movements [e.g. large parts then small parts]

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