1. See the 4 programs selected in Loaded Programs box (lower left) of the screenshot. Read the Notes about them and see if they might work. All were found with a search for "Muscle".
There is also a Whiplash Injuries program.
2. Whiplash can cause nerve injuries - try Brachial Plexus Neuritis KHZ, and Brachial Neuralgia CAFL. Also Neck Pain KHZ, Stiff Neck CAFL, Shoulder Injuries KHZ, and possibly Polymyalgia Rheumatica KHZ.
For more details, please check the link: