CHT CHT Splinting & Orthotic Fabrication

Question 1

A resting hand orthosis for a patient with rheumatoid arthritis should position the wrist at:

Accepted Answer

0–15° extension

Answer

Full extension

Answer

30–45° extension

Answer

20° flexion

Question 2

The safe position (intrinsic-plus position) for immobilizing a hand to prevent contracture is:

Accepted Answer

Wrist extended, MCPs flexed 70–90°, IPs extended

Answer

Wrist neutral, MCPs extended, IPs flexed

Answer

Wrist flexed, MCPs neutral, IPs flexed

Answer

Wrist extended, MCPs and IPs all flexed

Question 3

A dynamic extension splint with outrigger is most commonly used for which condition?

Accepted Answer

Boutonniere deformity

Answer

Extensor tendon zone 6 repair

Answer

Flexor tendon zone 2 repair

Answer

Trigger finger

Question 4

When fabricating a thermoplastic orthosis, the recommended water temperature to soften most low-temperature thermoplastic materials (LTT) is:

Accepted Answer

50–55°C (122–131°F)

Answer

60–70°C (140–158°F)

Answer

80–90°C (176–194°F)

Answer

100°C (212°F)

Question 5

A figure-of-eight orthosis is primarily used to treat which digit deformity?

Accepted Answer

Swan neck deformity

Answer

Mallet finger

Answer

Trigger finger

Answer

Boutonniere deformity

Question 6

Which orthosis design is used to maintain thumb web space in cases of first web space contracture?

Accepted Answer

C-bar or opponens orthosis

Answer

Thumb spica splint

Answer

Wrist cock-up splint

Answer

Buddy strap