Term
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Definition
| A force applied to the outside of a structure and therefore sustained by the structure. |
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Term
| What are 3 types of Loads? |
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Definition
| "Compression, Tension and Shear" |
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Term
| What is Compression Force? |
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Definition
| Force pushing a material or structure more tightly together. |
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Term
| "Axis of loading through bone more _____________ to each other, more compression at joint?" |
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Definition
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Term
| What motion at the STJ allows for piling up of the tarsal bones resulting in greater compression at joints of the foot? |
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Definition
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Term
| T/F Bone is ideal/designed for compression? |
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Definition
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Term
| Does supination increase or decrease the height of the medial arch as seen in the Sagittal Plane? |
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Definition
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Term
| Pronation increases or decreases transverse arching of the lesser tarsus? |
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Definition
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Term
| The increase of the transverse (side) compression increases or decreases stability? |
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Definition
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Term
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Definition
| Stress on a material or structure produced by a pull of forces causing extension or separation. |
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Term
| What type of load on a ligament is what starts the Emergency Action o f ligaments? |
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Definition
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Term
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Definition
| Stress on material or structure causing one material or structure to slide over another material or structure. |
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Term
| What does a Shear Load tend to cause? |
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Definition
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Term
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Definition
| Force generated in the substance of material in response to load. |
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Term
| What types of Stress are there? |
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Definition
| "Compression, Tension and Shear." |
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Term
| T/F Compression Load leads to Compression Stress? |
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Definition
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Term
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Definition
| The degree of deformation of matter as result of a load put on it. |
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Term
| What types of Strain are there? |
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Definition
| "Compression, Tension and Shear." |
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Term
| What 4 qualities gives a structure the ability to resist strain? |
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Definition
| "Elasticity, Resilience, Toughness and Reaction to damping." |
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Term
| Which qualities are resistant to fracture on impact? |
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Definition
| "Elasticity, resilience and thoughness" |
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Term
| Which qualities are opposite of resilience? |
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Definition
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Term
| What are 2 types of Deformation? |
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Definition
| Elastic and Plastic Deformation |
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Term
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Definition
| Based on its ability to return to its original shape after a load has been applied. (Rubber Band) |
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Term
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Definition
| The measure of how much the material deforms and remains deformed after a stress is applied to it. (Clay) |
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Term
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Definition
| Stress/Strain = Measure of elasticity. |
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Term
| What is Stress in Young's Modulus? |
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Definition
| The amount of fromce perunit area of collision. |
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Term
| What is Strain in Young's modulus? |
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Definition
| The amount of distortion (deformation) with respect to original size. |
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Term
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Definition
| As stress increases so does strain proportionately. |
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Term
| T/F Hook's Law applies to solids and gases only? |
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Definition
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Term
| T/F All tissues in the body follow Hook's Law? |
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Definition
| "FALSE, not all materials in the body are classified as solids." |
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Term
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Definition
| The point where the load on a material causes the material to submit or lose resistance to the load. |
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Term
| What is the Failure Point? |
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Definition
| The point when a material in response to a load deforms to the point when it no longer performs its normal function. |
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Term
| T/F Material may fail by deforming a great deal or more often by fracturing? |
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Definition
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Term
| What is Anisotropic Bone Loading? |
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Definition
| The forces of the loads are not in the same direction and are not of the same intensity. |
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Term
| "T/F Different loads are directed on the same bone or bones ie. compression, tension, and shear at the same time?" |
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Definition
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Term
| What types of load are bones most resistant to? |
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Definition
| Compression (Limit = 20K-30K PSI) |
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Term
| Whay type of load are bones 2nd most resistant to? |
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Definition
| Tension (Limit = 10K-20K PSI) |
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Term
| What ype of load are bones least resistant to? |
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Definition
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Term
| Most fractures are due to Compression. Torque developes during throwing motion. One end of the bone is fixed resulting in Compression forces and bone failure? |
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Definition
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Term
| T/F Combined loading is an example of Anisotropic Loading? |
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Definition
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Term
| What is Combined loading? |
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Definition
| "Loading of Compression, Tension and Shear or any combination of these at a given time." |
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Term
| "T/F One of the 3 loads, stress or strain can cause each other to occur?" |
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Definition
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Term
| What types of loading are involved in Column Loading? |
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Definition
| Direct (Concentric) and Eccentric |
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Term
| What is Concentric Loading? |
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Definition
| Straight donw at the center of the Column. |
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Term
| Direct Loading cause what type of stress/strain? |
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Definition
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Term
| What is Eccentric (Excentric) Loading? |
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Definition
| "Peripheral Loading, loading outside the center of the column." |
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Term
| What type of strain/stress doe Eccentric loading cause? |
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Definition
| "Shearing and Tension, from the column having a decreased ability to support the weight or force." |
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Term
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Definition
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Term
| Are the ends secure in a beam? |
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Definition
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Term
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Definition
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Term
| When the load is applied to a beam dorsal to plantar where will the compression be? |
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Definition
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Term
| What type of a force will passing through the beam dorsal to plantar |
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Definition
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Term
| What is the sole bearer of the body weight during Midstance |
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Definition
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Term
| What is failure of the ability to with stand this dorsal to plantar force going through the foot at Medstance? |
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Definition
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