OCCTH 544: Orthotics Questions & Answers Already Graded A +

The purpose of a(n) ____________ is straightening or correction of a deformity or disability. a) splint b) orthoses - Answer-b) orthoses True or False: splints can be moveable or immoveable. - Answer-True. What are the 3 rules to fabricating an orthoses? - Answer-1. You control the material (it does not control you). 2. Fabrication does not require brute force. 3. When in doubt, begin again. What are the 3 main goals of orthoses? - Answer-1. Prevent dysfunction 2. Maintain function 3. Restore function With a static orthosis, ideally, what kind of position should the joints be in? - Answer-Functional position Which of the following is NOT part of the functional hand position? a) wrist 20-30 extension b) MCP's 45 -50 flexion c) IP's 45 flexion d) MCP's 90 degrees flexion e) Thumb palmar abduction full opposition - Answer-d) MCP's 90 degrees flexionWhat are the 4 phases of hand function that require consideration when fabricating hand orthoses? - Answer-1. Reach 2. Prehension patterns 3. Carry 4. Release Which the following are included in the fixed or stabilizing unit of the hand? (Check all that apply) a) Carpal bones b) Phalanges c) Second MC d) Third MC e) Thumb - Answer-a) Carpal bones c) Second MC d) Third MC What are the 3 components of the mobile unit of the hand? - Answer-1. Thumb (1st MC) 2. Phalanges 3. 4th & 5th MCs "consists of the carpal bones, the transverse carpal ligament and the inter-carpal ligaments" Which of the following arches is described by the above statement? a) Proximal Transverse Arch b) Distal Palmar Arch c) Longitudinal Arch d) None of the above - Answer-a) Proximal Transverse ArchWhat forms the distal palmar arch of the hand? - Answer-The heads of the 2nd to 5th metacarpals What 3 components is the longitudinal arch of the hand comprised of? - Answer-1. Carpal bones 2. Metacarpals 3. Phalanges Orthoses that allow MCP flexion, end proximal to the _____________ crease - Answer-distal palmar "The metacarpals progressively decrease in length from the radial to ulnar border of the hand" This statement describes what concept? - Answer-Dual obliquity How does dual obliquity impact fabrication of orthoses that include the 2nd to 5th metacarpals? - Answer-Orthoses incorporating the 2nd to 5th metacarpals will be longer and higher on the radial side. Which of the following are true of a resting position of the hand? (Check all that apply) a) Forearm is midway between pronation and supination b) Wrist is 10 to 20 degrees extension c) PIP's are flexed to 45 degrees d) Thumb is forward and in partial opposition e) Thumb is in abduction and opposition - Answer-a) Forearm is midway between pronation and supination b) Wrist is 10 to 20 degrees extension d) Thumb is forward and in partial opposition