EDKP 396: Exercise Science Evaluation
define position of body in space - answers✔✔Global coordinate system
defines how limbs/body segments articulate about joints - answers✔✔Local (anatomic)
coordinate system
all points on an object move the same distance - answers✔✔Translation
one point on the object (COR) remain stationary - answers✔✔Rotation
moving forward/backward - answers✔✔Surge
moving up/down - answers✔✔Heave
moving left/right - answers✔✔Sway
tilting side to side - answers✔✔Roll
tilting forward and backward - answers✔✔Pitch
turning left/right - answers✔✔Yaw
,An object remains at rest (or continues moving at a constant velocity) unless acted upon by an
unbalanced external force - answers✔✔Newtons First Law
If there is an unbalanced force acting on an object, it produces an acceleration in the direction
of the force, directly proportional to the force (F=ma) - answers✔✔Newtons Second Law
For every action (force) there is a reaction (opposing force) of equal magnitude but in the
opposite direction - answers✔✔Newtons Third Law
forces are on different sides of the COR (fulcrum) - answers✔✔1st class
forces are on the same side of the COR and the external force is closer to the COR than the
muscle force - answers✔✔2nd class
forces are on the same side of the COR and the muscle force is closer to the COR than the
external force - answers✔✔3rd class
Force applied to deform a structure (σ = F/A) - answers✔✔Stress
Resulting deformation of a material from a force (perpendicular or parallel) (ε = ΔL/L) -
answers✔✔Strain
material returns to original length when load (Applied force) is removed) - answers✔✔Elastic
(linear) region
structure does not return to original length when load is removed - answers✔✔Plastic (yield)
region
fracture or breaking point - answers✔✔Failure point
, stiffer, undergoes less strain - answers✔✔High Young's modulus
Is the ratio between a materials transverse (lateral) and longitudinal (axial) strain when it is
stretched - answers✔✔Poisson's Ratio
measure of how fracture resistant a material is if a small crack or flaw already exists -
answers✔✔Fracture toughness
occurs when a material is loaded and unloaded repeatedly and the maximum loads are below
the ultimate tensile strength (UTS - maxim stress a material can withstand while being
stretched/pulled before breaking) - answers✔✔Fatigue fracture
the stress below which the material will never fail in fatigue - answers✔✔Fatigue limit
number of loading cycles a material can withstand at a given stress level - answers✔✔Fatigue
life
Materials that have time dependent behaviour due to a fluid like component (material to some
extent both behaves like a liquid and a solid material and that it has a time-dependent strain.) -
answers✔✔Viscoelastic
the reduction of stress within a material over time as the material is subject to constant
deformation - answers✔✔Stress relaxation
the continued deformation of material over time as the material is subject to a constant load -
answers✔✔Creep
define position of body in space - answers✔✔Global coordinate system
defines how limbs/body segments articulate about joints - answers✔✔Local (anatomic)
coordinate system
all points on an object move the same distance - answers✔✔Translation
one point on the object (COR) remain stationary - answers✔✔Rotation
moving forward/backward - answers✔✔Surge
moving up/down - answers✔✔Heave
moving left/right - answers✔✔Sway
tilting side to side - answers✔✔Roll
tilting forward and backward - answers✔✔Pitch
turning left/right - answers✔✔Yaw
,An object remains at rest (or continues moving at a constant velocity) unless acted upon by an
unbalanced external force - answers✔✔Newtons First Law
If there is an unbalanced force acting on an object, it produces an acceleration in the direction
of the force, directly proportional to the force (F=ma) - answers✔✔Newtons Second Law
For every action (force) there is a reaction (opposing force) of equal magnitude but in the
opposite direction - answers✔✔Newtons Third Law
forces are on different sides of the COR (fulcrum) - answers✔✔1st class
forces are on the same side of the COR and the external force is closer to the COR than the
muscle force - answers✔✔2nd class
forces are on the same side of the COR and the muscle force is closer to the COR than the
external force - answers✔✔3rd class
Force applied to deform a structure (σ = F/A) - answers✔✔Stress
Resulting deformation of a material from a force (perpendicular or parallel) (ε = ΔL/L) -
answers✔✔Strain
material returns to original length when load (Applied force) is removed) - answers✔✔Elastic
(linear) region
structure does not return to original length when load is removed - answers✔✔Plastic (yield)
region
fracture or breaking point - answers✔✔Failure point
, stiffer, undergoes less strain - answers✔✔High Young's modulus
Is the ratio between a materials transverse (lateral) and longitudinal (axial) strain when it is
stretched - answers✔✔Poisson's Ratio
measure of how fracture resistant a material is if a small crack or flaw already exists -
answers✔✔Fracture toughness
occurs when a material is loaded and unloaded repeatedly and the maximum loads are below
the ultimate tensile strength (UTS - maxim stress a material can withstand while being
stretched/pulled before breaking) - answers✔✔Fatigue fracture
the stress below which the material will never fail in fatigue - answers✔✔Fatigue limit
number of loading cycles a material can withstand at a given stress level - answers✔✔Fatigue
life
Materials that have time dependent behaviour due to a fluid like component (material to some
extent both behaves like a liquid and a solid material and that it has a time-dependent strain.) -
answers✔✔Viscoelastic
the reduction of stress within a material over time as the material is subject to constant
deformation - answers✔✔Stress relaxation
the continued deformation of material over time as the material is subject to a constant load -
answers✔✔Creep
