UCBL Flashcards

1
Q

The primary joint being controlled in a UCBL foot orthosis is the

A

Subtalar

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2
Q

A major requirement for successful application of the UCBL foot orthosis is that?

A

Deformity must be flexible

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3
Q

To achieve additional valgus control with the UCBL foot orthosis

A

Add a medial flare to the heel and forefoot

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4
Q

The effectiveness of a UCBL foot orthosis in controlling stance phase floor reaction forces is dependent upon the?

A

Intimacy of foot in shoe and orthosis

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5
Q

The main advantage of the UCBL foot orthosis over conventional shoe modifications is that the?

A

Corrective forces are applied directly to the foot

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6
Q

In selecting a shoe to be used with a UCBL for orthosis, a major requirement is that the?

A

Shoe must provide a stable base of support

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7
Q

The UCBL provides

A

Inversion and eversion stability

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8
Q

The UCBL foot orthosis applies corrective forces to?

A

Hind foot, mid foot and plantar surface

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9
Q

With proper design the UCBL foot orthosis can

A

Addict and abduct either the forefoot and or the mid foot

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10
Q

The longitudinal arch of the foot can be depressed by

A

Abducting the forefoot

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11
Q

An impression for a UCBL foot orthosis is taken with the patient.

A

In partial weight bearing with corrective forces applied

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12
Q

Footboards used for taking an impression for a UCBL foot orthosis generally come in three heel heights?

A

3/8, 1/2, and 5/8 inch

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13
Q

The anterior distal trim line for the UCBL for orthosis is drawn

A

6mm proximal to the metatarso_phalangeal crease

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14
Q

When applying corrective forces as an impression is being taken for a UCBL foot orthosis,the orthotist must

A

Maintain ankle and forefoot correction

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15
Q

While taking an impression for a UCBL foot orthosis, internally rotating the tibia will

A

Depress the longitudinal arch

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16
Q

While taking an impression for a UCBL foot orthosis, externally rotating the tibia will

A

Elevate the longitudinal arch

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17
Q

The plantar surfaces of the forefoot And hind foot should be kept

A

Parallel

18
Q

Prior to taking an impression for a UCBL foot orthosis, the following landmarks should be marked

A

Malleoli, navicular, anterior/medial calcaneal tuberosity, base of 5th MT, and distal trim line

19
Q

In modifying a cast for a UCBL, the malleoli would more likely be

A

Built up 3 mm

20
Q

The area of the Achilles’ tendon on the cast for a UCBL foot orthosis should be

A

Shaved 1.5 mm laterally

21
Q

In order to create a tighter grip of the hind foot, the cast for a UCBL foot orthosis should be?

A

Shaved on the sides of the Achilles’ tendon

22
Q

The cast for a UCBL foot orthosis should be modified so that the?

A

The plantar surface at the MT heads is parallel to the plantar surface of the calcaneus

23
Q

When the navicular is included in a UCBL foot orthosis, that area of the cast should be

A

Built up 3mm

24
Q

To increase the amount of medial support of a UCBL foot orthosis plaster should be

A

Removed in the area of the sustentaculum talk

25
Q

To achieve the maximum medial support the sustentaculum tali modification should be

A

Merged with that of the medial heel grasp modification

26
Q

It is best to evaluate a UCBL foot orthosis on the patient?

A

Prior to, during, and after ambulation

27
Q

Corrections to a UCBL foot orthosis must be made if skin redness due to excessive pressure persists for more than?

A

15 minutes

28
Q

The proximal trimlines in the area of a UCBL foot orthosis should be

A

6mm distal to the shoe

29
Q

Pressure on the metatarsal heads can be relieved by incorporating a pad

A

Proximal to the MT heads

30
Q

When the patients foot is positioned At 90 degrees in a UCBL foot orthosis, the gap at the Achilles’ tendon should be

A

No more than 4mm

31
Q

Bony prominences within the UCBL foot orthosis should be evaluated

A

To ensure excessive pressure does not exist

32
Q

Two biomechanical treatment objectives of a UCBL foot orthosis during weight bearing are

A

Keep subtalar joint in neutral and Achilles’ tendon straight

33
Q

During ambulation with a UCBL foot orthosis the heel area should

A

Not move excessively within the orthosis and cause skin irritation

34
Q

If areas on a UCBL foot orthosis cause excessive pressure

A

Reliefs should be formed by localized heating of the plastic

35
Q

In order to control excessive motion of the subtalar joint, the UCBL foot orthosis should be made from a

A

Flexible plastic such as polypropylene or laminated polyester

36
Q

Before being applied to the patient the edges of the UCBL foot orthosis should be

A

Rounded and smooth

37
Q

The distal edge of a UCBL foot orthosis should be

A

Tapered

38
Q

The advantage of fabricating a UCBL foot orthosis from thermoplastic is that it

A

Can be easily reshaped

39
Q

When removing the UCBL foot orthosis for the cast

A

The plastic should be cut outside the trim lines so that the definitive trim lines can be established subsequently.

40
Q

If the UCBL foot orthosis is removed too soon from the cast

A

The heel diameter may increase causing a loose fit.

41
Q

The primary bone being stabilized in a UCBL foot orthosis is the

A

Calcaneus