Chapter Three- principles of physics for Massage
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22 terms
Terms | Definitions |
|---|---|
 Mechanics | A branch of physics that studies the behavior of objects in the physical world |
| Newton's first law of motion is known as the: | Law of inertia |
| Law of inertia | Newton's law that states that everybody continues in its state of uniform motion in a right line unless it is compelled to change that state by forces impressed upon it |
| The law of inertia is also known as | Newton's first Law of motion |
| Second Law of Motion | force = mass x acceleration. at any instant the acceleration of a body is directly proportional to the force applied to it and inversely proportional to it's mass F=MA |
| Third Law of motion is known as: | The law of action and reaction |
| The Law of Action and Reaction | Newton's law that states if one body exerts a force on the second, the second exerts an equal and opposite force on the first. |
| Newton's 1st Law | states that an object continues in its state of rest or of uniform motion unless compelled to change that state by an external force |
| Newton's 2nd Law | if a net force acts on an object, it will cause an acceleration of that object; F=MA |
| Newton's 3rd Law | for every action there is an equal and opposite reaction |
| law of structural alignment | structure reflects the relationships and connections within the body. No muscles work alone |
| Dynamic alignment is also known as | The law of structural alignment |
| Law of structural alignment is also know as: | dynamic alignment |
| Centering | this means that you have found a center of physical balance. Physically and mentally |
| Breathing | this influences the body and mind. The rhythm and rate of this reflects & helps create your physical condition. Can indicate emotional and mental activity. Voluntary manipulation of this can influence and help support emotional and mental status. |
| Base of Support | a general suggestion to find this width is to assume a standing position with feet hip width apart and on foot slightly in front of the other. Consider this when striving for optimum body mechanics |
| Example of Newton's first law | what law is this? if a client has an adhesion, chances are that this adhesion will remain unless some kind of input (massage, movement, etc.) is put upon it |
| Example of Newton's second Law | what law is this? The bigger a body you are working with is, the more force you will be required to use to invoke a change. |
| Example of Newton's third law | what law is this? when you push against an object, like a living human body, the first reaction of the tissues is to push you back out. |
| Example of law of structural alignment | what law is this? Contraction of the bicep requires the triceps to relax. |
| List four guidelines to keep in mind for dynamic alignment | 1. feet facing in direction of stroke; 2. keep spinal curves in tact; 3. line up body directly behind the hands, 4. keep thumb close to fingers. |
| List six guidelines to effective body mechanics | 1. feet facing in direction of stroke; 2. keep spinal curves in tact; 3. line up body directly behind the hands, 4. keep thumb close to fingers; 5 avoid hyper extending the knees, feel shoulder blades swing freely, 6. initiation 7. breathing, 8. ergonomics, 9. keep joints stacked, 10. bend at the knee 11. don't cross mid-line, 12. bilateral weight disbursement. |
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