COC Rehabilitation & Outcomes 2 — Questions and Answers
Question 1: What is the most critical functional milestone that predicts community ambulation success for lower limb prosthetic users?
- Independent donning and doffing of the prosthesis (Correct answer)
- Ability to run at maximum speed
- Bilateral symmetric step length
- Zero observable gait deviations on evaluation
Correct answer: Independent donning and doffing of the prosthesis
Independent donning and doffing ensures patients can use the prosthesis reliably without caregiver dependence, which is foundational to community ambulation.
Question 2: Upper extremity prosthesis training typically progresses in which order?
- Controls training → use training → activity-specific training (Correct answer)
- Activity-specific training → controls training → use training
- Use training → activity-specific training → controls training
- All phases are concurrent with no defined order
Correct answer: Controls training → use training → activity-specific training
Prosthetic training follows a hierarchy: first mastering control of the terminal device, then integrating use into daily tasks, then applying skills to specific activities.
Question 3: Which condition is considered the most common secondary musculoskeletal complication in long-term unilateral transtibial amputees?
- Contralateral knee osteoarthritis from asymmetric loading (Correct answer)
- Ipsilateral shoulder impingement from crutch use
- Cervical radiculopathy from altered posture
- Rotator cuff tears from transfer assists
Correct answer: Contralateral knee osteoarthritis from asymmetric loading
Long-term asymmetric gait loads the contralateral knee with increased compressive forces, significantly elevating osteoarthritis risk in the intact limb.
Question 4: Osseointegration as a prosthetic attachment method provides which key functional benefit over socket-based suspension?
- Direct skeletal attachment eliminating skin-socket interface and improving proprioception (Correct answer)
- Lower infection risk compared to all socket systems
- Shorter surgical recovery time
- Better waterproofing of the prosthesis
Correct answer: Direct skeletal attachment eliminating skin-socket interface and improving proprioception
Osseointegration transmits mechanical stimuli directly to the skeleton, significantly improving proprioceptive feedback and eliminating socket-related skin issues.
Question 5: Targeted Muscle Reinnervation (TMR) is performed to primarily:
- Reduce neuroma pain and improve myoelectric prosthesis control signals (Correct answer)
- Restore voluntary movement to the residual limb muscles
- Prevent wound dehiscence post-amputation
- Eliminate phantom limb sensation permanently
Correct answer: Reduce neuroma pain and improve myoelectric prosthesis control signals
TMR reroutes residual nerves to nearby motor nerve branches, reducing painful neuromas and creating additional EMG signals for advanced myoelectric prosthetic control.
Question 6: Which of the following best describes the concept of 'rehabilitation technology' in the context of O&P outcomes?
- Integration of assistive devices, prosthetics, orthotics, and training to maximize functional independence (Correct answer)
- The use of digital scanning for socket fabrication only
- Electronic implants that stimulate nerve function
- Virtual reality gaming systems for balance training only
Correct answer: Integration of assistive devices, prosthetics, orthotics, and training to maximize functional independence
Rehabilitation technology broadly encompasses all tools, devices, and training strategies that support functional recovery and independent living for persons with disabilities.
COC Rehabilitation & Outcomes 2
What is the most critical functional milestone that predicts community ambulation success for lower limb prosthetic users?