Question

which type of motion could be an issue if you do it over long periods, possibly leading to thoracic outlet syndrome?
select the best option.
shoulder flexion
trunk flexion
abduction and adduction
neck flexion
if you need to review this content, it can be found in the worker health module of the automotive-specific hazards topic.

Explanation:

Thoracic outlet syndrome can be caused by prolonged shoulder flexion (reaching/raising shoulders forward/upward). This posture compresses the thoracic outlet (space with nerves/blood vessels), leading to the syndrome. Other options like trunk flexion (spine bending), abduction/adduction (limb movement), or neck flexion (neck bending) don’t relate as directly to thoracic outlet compression from prolonged motion.

Answer:

Shoulder flexion