Final answer:
Traction is a pulling force applied to a skeletal structure, used in physical therapy to treat injuries or improve mobility.
Step-by-step explanation:
The correct definition of traction in this context is a pulling force applied to a skeletal structure.
Traction is a treatment method used in physical therapy to apply a pulling force to a person's body, typically to alleviate pain or restore mobility.
In the given sentence, traction is being used to treat Malcolm's neck after his car accident.