kinesiology. what is biomechanics/kinesiology? study of human movement from the point of view of the...
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What is Biomechanics/Kinesiology?
Study of human movement from the point of view of the physical sciences.
What it is NOT“Applied kinesiology” or alternative medicine.
It DOES apply a scientific based medical principles towards the analysis, preservation and enhancement of human movement in all settings and populations.
Why study? To improve performance by learning how to
analyze the movements of the human body and to discover the underlying principles.
Purposes (Reasons for study)
Help practitioners with their students or clients.
To perform with optimum safety, effectiveness, and efficiency.
Physical education teachers, physical therapists, sports trainers, OSHA, etc..
Methods of Study (Book study and Lab experimentation)
Experiments performed under controlled conditions
Practice in analysis under the conditions that exist every day in the gym or clinicObservation, diagnosis, and treatment of faulty
motor performanceQualitative vs. Quantitative
Components ofKinesiological Analysis
Teaching of motor skills – presenting a skill and know what points to emphasize
Also consists of diagnosing difficulties, correcting errors, and eliminating actions that limit performance.
Kinesiological Analysis – Effectiveness of a motor skillDescribingEvaluating – Anatomical and MechanicalPrescribing
Description of the Motor Skill Primary purpose of the
skill Why is the movement
being performed?
Movement phases When should the motion
analysis begin? When does it end?
Description ofthe Motor Skill
Classification of the motor skill – Anatomical and mechanical requirements of a particular group of skillsmaintaining erect posturemovement for exercise and fitnessgiving motionreceiving impact
Simultaneous - Sequential nature of the motionSimultaneous
various segments move as one – pushing, pulling, or lifting objects
All movement is directed along a straight line
When accuracy is important
Sequential use of segments in an
orderly sequence
maximum speed, throwing and striking movements, and the final segment moves along a curved path.
Ex: Preparatory phase, execution, flight, landing.
Description of the motor skill
Anatomical AnalysisExamination of the skeletal joint action
A description of segment motion
An account of the muscle participation
An identification of the neuromuscular mechanisms involved
Anatomical AnalysisQuestions
Which joints are involved and what are their exact movements in the motor skill?
Any joints used to limit the ROM? Which muscles are responsible for the joint
actions? Which neuromuscular mechanisms are likely to
help or hinder the actions?
Mechanical Analysis (Physics)
Identification of the laws and principles that help explain the most appropriate form for the execution of the activity and identify the mechanical reasons for success or failure.
Mechanical Analysis (Physics)
Underlying mechanics objective – Purpose or objective of the motionBalance, Locomotion, Projection, Manipulation,
Maximum effort
Mechanical Analysis (Physics)
Nature of the forces causing or impeding motion What motion is
performed and the forces that are acting to cause, modify, or prevent that motion
Mechanical Analysis (Physics)
Mechanical principles Speed of the movementForces involved in the movementBalanceDirectionTimingPresence of air or water. Purpose is to locate potential sources of error.
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