Term
| What are the 5 steps of Casting in the Lab? |
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Definition
| Pouring of postitve cast, Balancing of positive cast, Thickness of materials, RF posts, Heel Modifications. |
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Term
| What step in Casting in the Lab is essential for control of the STJ fx? |
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Definition
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Term
| T/F Thickness is usually expressed in millimeters? |
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Definition
| TRUE (some are still measured by a fraction of an inch) |
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Term
| What is 1mm, 2mm, 3mm and 4mm in inches? |
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Definition
| 0.04, 0.08, .12, and .16 (1/25, 2,25, 3,25, and 4/25) |
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Term
| What is one of the biggest problems with thich orthotics? |
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Definition
| Being able to fit foot and orthotic in shoe at the same time. |
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Term
| T/F Thicker the material the more rigid the divice constructed will be? |
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Definition
| TRUE (the thicher the device the stronger it will be, thus more biomechanical control) |
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Term
| T/F The heavier the patient the thicker you will make the material? |
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Definition
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Term
| T/F More flex of device, increase biomechanical control? |
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Definition
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Term
| What can you reinforce the device with? |
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Definition
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Term
| T/F The thickness will dictate the amount of flex orthotic will have during gait? |
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Definition
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Term
| In what direction do you usually pour the positive cast into the negative cast? |
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Definition
| Most of the time Vertically (this means we pour plaster into our negative cast with the heel biseciton positioned 90 degrees to the supporting surface or perpendicular to the gound). |
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Term
| Vertical pouring applies to what type of patients? |
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Definition
| Those who can go from a varus NCPS to vertical or into valgus on RCSP. |
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Term
| What are the 3 pouring directions for pouring a positive cast? |
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Definition
| Vertical, Inverted or Everted |
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Term
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Definition
| Neutral Calcaneal Stance Postion |
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Term
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Definition
| Relaxed Calcaneal Stance Position |
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Term
| What direction is the pour for a patient w/ a partially compensated or uncompensated RF Varus? |
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Definition
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Term
| If the heel can reach vertical going from NCSP to RCSP do NOT pour in which direction? |
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Definition
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Term
| How much inverted do you cast a patient with a 5 degree inverted RF? |
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Definition
| 5 degrees, in general (making a 5 degree calcaneal eversion with the heel cup). |
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Term
| What is the "Blake Functional orthotic"? |
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Definition
| Generally used by people w/ uncompensated RF Varus, mostly runners. Negative cast inverted 25 degrees when positive cast is poured (NOT commonly prescribed) |
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Term
| What direction to you pour the orthotic if the NCSP is everted? |
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Definition
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Term
| What conditions commonly call for an Everted pour for the orthotic? |
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Definition
| Peroneal spasm, Fully compensated equinas, Tarsal coalition, Limited STJ motion 12-15 degrees), STJ arthritis, Post op everted position of the calcaneus (in a Triple Arthrodesis) |
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Term
| T/F Psts can be either intrinsic or extrinsic? |
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Definition
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Term
| T/F Extrinsic post is built into the orthotic device and Intrinsic post is added to the surface of the orthotic device after the device has been pressed? |
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Definition
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Term
| What are advantages and disadvantages of Intrinsic Posts? |
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Definition
| Takes up less room. Does provide as much control. |
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Term
| What are advantages and disadvantages of Extrinsic Posts? |
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Definition
| Adds bulk, but control is better. Easier to replace/modify. |
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Term
| Where are the 2 location for Posts? |
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Definition
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Term
| What is the fx of the RF post? |
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Definition
| Control the foot as close to STJ neurtal as possilbe or functionally reasonable during gait. |
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Term
| T/F The NCSP incorporates neutral STJ postion but not tibial position? |
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Definition
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Term
| T/F The number that is best to use for the number of degrees we will post the RF in NCSP? |
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Definition
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Term
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Definition
| 4 degree FF Varus, order a 4 degree FF Vars Post. |
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Term
| Is RF intrinsic or extrinsic post the default for labs? |
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Definition
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Term
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Definition
| Initial pronation. This allows some pronation for shock absorption. Allows 4 to 6 degrees of pronation (heel eversion) |
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Term
| Where is the IP grind located? |
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Definition
| At the distal medial corner of the extrinsic RF post. |
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Term
| What are the motions that occur during gait? |
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Definition
| Inversion/eversion of calcaneus and Adduction/abduction of talus and Internal/external leg rotation. |
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Term
| What does the arch height of hte orthotic controls? |
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Definition
| The internal/external rotation the leg |
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Term
| What is a Deep Heel Seat (Deep Hee Cup)? |
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Definition
| Deepening of the Heel Cup, more control over the RF. |
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Term
| How deep is a Deep Heel Cup? |
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Definition
| 16mm or greater.(tibial valgum higher medial heel cup than lateral) |
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Term
| What is the fx of a RF post flare/ |
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Definition
| Limits motion on the side the flare is located on. |
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Term
| Do kids or adults have bigger problems with heel cups? |
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Definition
| Adults (don't where high tops so much) |
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Term
| What do Medial Flares limit? |
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Definition
| Pronatory or eversion motion of calcaneus. (may use in conjunction with high medial heel cup) |
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Term
| What do Lateral Flares limit? |
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Definition
| Inversion or supinatory motion of calcaneus. (may use in conjunction with a high lateral heel cup) |
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Term
| What is a Kirby medial heel skive? |
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Definition
| A flattened area on the medial aspect of the heel cup of the orthotic. |
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Term
| What is the fx of Kirby medial heel skive? |
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Definition
| Increases resistance to pronation moments at the STJ. |
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Term
| Who do you not prescribe a Kirby medial heel skive to? |
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Definition
| Don't use with pts that has plantar medail heel pain |
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Term
| What is the goal of Balancing Postive Cast? |
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Definition
| Telling the lab whether you want intrinsic or extrinsic FF posting |
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Term
| How do you balance the postive cast? |
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Definition
| Putting a plaster wedge under the FF of the postiive cast to bring the heel bisection to a perpendicular position to the supporting surface. |
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Term
| What does balancing of the positve cast do to the MF? |
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Definition
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Term
| If you put the post on the positive cast do you end up with an intrinsic or extrinsic FF post? |
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Definition
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Term
| T/F FF Varus does will with an intrinsic FF post? |
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Definition
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Term
| T/F FF Valgus does well with an intrinsic FF post? |
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Definition
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Term
| T/F Most FF posts (the default) are extrinsic? |
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Definition
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Term
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Definition
| Angulation of the RF post allowing the orthotic to sit in the shoe and allow for contact of the front edge of the orthotic w/ the sole of the shoe and the RF post to sit flat on the heel area of the shoe. |
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Term
| What is the average height form most shoes (athletic shoes)? |
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Definition
| 4mm (higher elevator 8 to 12 mm) |
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Term
| What are the widths (grinding width) seen as options for width of the orthotic device? |
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Definition
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Term
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Definition
| Orthoitc lateral border sits under the 5th met and the medial border bisects the 1st met. |
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Term
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Definition
| Medial border is lateral to the 1st met. |
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Term
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Definition
| Medial border sits under the entire 1st met. |
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Term
| T/F There is no change in the medial border of the 3 orthotic width? |
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Definition
| FALSE, lateral has no change |
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Term
| What are the sizes of width in shoes? |
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Definition
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