Answer :
The reason for application of Buck's (extension) traction is because it Provides comfort by reducing muscle spasms and provides fracture immobilization, option 4.
How is Buck's (extension) traction used?
Buck's (extension) traction is a type of skin traction that is applied to the lower leg with a padded boot and weights. It is used to reduce muscle spasms, align the fracture, and provide comfort before surgery. It does not allow bony healing to begin before surgery, as this requires internal fixation or external fixation. It does not provide rigid immobilization of the fracture site, as this would require a cast or a splint. It does not lengthen the fractured leg to prevent severing of blood vessels, as this is not a common complication of hip fractures.
An example of a patient who may benefit from Buck's (extension) traction is a patient with a femoral neck fracture who is waiting for a hip replacement surgery. The traction can help reduce the pain and inflammation caused by the fracture and prevent further displacement of the bone fragments.
Learn more on Buck's (extension) traction here: https://brainly.com/question/29708529
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