Biomechanics- 1 (Midterm)
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10 Terms
The application of the methods of mechanics to study study of the trustee and function of biological systems
Biomechanics
We can help people move better by…
Improving performance and reducing the potential risk of injury
The key areas of consideration to help people move better…
Modify technique
Modify equipment
What are the “rules of biomechanics”
Mechanical- law of physics
Multisegments- multitude of segments in body that influence each other
Biological- muscle-tendon aspects
Management of “energy flow” requires 2 things:
recruit as many muscles as possible for each task
Properly sequence the timing of the joints
The fundamental principle of muscle force is that a muscle can only pull, it can’t push
What are the 3 types of contractions?
Concentric
Eccentric
Isometric contraction
What are the characteristics of the concentric contractions?
MTC shortens
Functioning like a motor
Doing positive work
What are the characteristics of the eccentric contractions?
MTC lengthens
Acting like a brake
Doing negative work
What are the characteristics of the isometric contractions?
MTC does not change
Technically no work is done