FCE FCE Biomechanics & Musculoskeletal Analysis 1 — Questions and Answers
Question 1: Which spinal region is most commonly evaluated in FCE for lumbar dysfunction?
- Cervical spine
- Thoracic spine
- Lumbar spine (Correct answer)
- Sacral spine
Correct answer: Lumbar spine
The lumbar spine is the most frequently assessed spinal region in FCE due to the high prevalence of low back injuries in workers' compensation cases.
Question 2: What does 'coefficient of variation' measure in FCE biomechanical testing?
- Grip strength average
- Consistency of effort across repeated trials (Correct answer)
- Range of motion difference
- Pain intensity fluctuation
Correct answer: Consistency of effort across repeated trials
The coefficient of variation measures the consistency of effort by comparing the standard deviation to the mean across repeated trials, helping identify submaximal effort.
Question 3: In FCE, what is the primary purpose of evaluating shoulder flexion range of motion?
- To assess grip endurance
- To determine overhead reaching capacity for job tasks (Correct answer)
- To measure finger dexterity
- To test knee stability
Correct answer: To determine overhead reaching capacity for job tasks
Shoulder flexion ROM is evaluated to determine a worker's ability to perform overhead reaching tasks, which is directly tied to job demand matching.
Question 4: Which of the following best describes 'functional mobility' in musculoskeletal FCE?
- The ability to lift maximum weight
- The ability to perform whole-body movements required for work tasks (Correct answer)
- The speed of nerve conduction
- The degree of muscle atrophy
Correct answer: The ability to perform whole-body movements required for work tasks
Functional mobility in FCE refers to a worker's capacity to perform whole-body movements—such as bending, stooping, and climbing—that are essential for specific job tasks.
Question 5: Which principle of biomechanics is applied when assessing a worker's safe lifting capacity in FCE?
- Newton's law of thermodynamics
- The lever arm principle and load moment (Correct answer)
- Bernoulli's principle
- Hooke's law of elasticity
Correct answer: The lever arm principle and load moment
The lever arm principle and load moment are applied to calculate the mechanical stress placed on the spine during lifting, helping determine safe lifting limits.
Question 6: What is the role of electromyography (EMG) in some advanced FCE protocols?
- To measure blood pressure during exertion
- To assess muscle activation patterns and detect inconsistency (Correct answer)
- To calculate joint range of motion
- To evaluate aerobic capacity
Correct answer: To assess muscle activation patterns and detect inconsistency
EMG can be used in advanced FCE to measure muscle activation patterns, detect submaximal effort, and identify neuromuscular dysfunction during functional tasks.
FCE FCE Biomechanics & Musculoskeletal Analysis 1
Which spinal region is most commonly evaluated in FCE for lumbar dysfunction?