Define ____
Biomechanics
The study of human motion and causes of motion
Moment arm can be otherwise known as what?
Resistance arm
Define a general measurement of work?
Absolute
What is the equation for Torque?
T = F x MA
The straight line between a muscles two attachment sites is ________
Line of Pull
Motion
A change in position
Moment arm always runs in what line?
Horizontal
Define what is specific to the individual and what “feels” harder?
Relative Work
What is the equation for Power?
P = Work / Time
Load will ___________as reps decrease?
Increase
Force
Something that causes motion
Gravity always runs in what line?
Vertical
Define mobility?
Range of motion around a given joint
If force was 30lbs and distance was 2ft, what is the overall work?
60
A fixed point around which a lever rotates is ______
Fulcrum or axis
Strength
The ability to exert force
Due to their insertion point, the human body's muscles must exert force that is much _________________________________ then the external forces they counteract?
much greater than the external forces they counteract
Define stability
Ability to resist or control movement
What is the equation for Work?
W = Force x Distance
The perpendicular distance from the axis(fulcrum/joint) to the location of the force is _____
Moment Arm
Power
The ability to exert force fast
Which exercise will have the largest moment arm at the shoulder? A dumbbell front raise or a bent arm lateral raise
Dumbbell front-raise
If force was 12.5lbs and distance was 7ft, what is the overall work?
87.5
If Force was 20LBs and distance was 6ft, what is the overall work?
120
The tendency of a force to cause rotation about an axis/fulcrum (join) is _________
Torque