The classification system in use by the International Association for the Study of<unk>  (IASP) divides<unk>  into two types. It is recognised that people may exhibit both types of<unk> . +International Association for the Study of<unk>  Classification Type Clinical findings Synonyms Type I<unk>  without evidence of nerve damage in the affected limb. Secondary to injury/trauma. This accounts for about 90% of<unk> . RSD, Sudeck's atrophy Type II<unk>  with evidence of nerve damage in the affected limb. Causalgia
Complex regional pain syndrome
Thoracic outlet syndrome
Calpainopathy
Myofascial pain syndrome
Central pain syndrome
Nerve compression syndrome
Radiation-induced lumbar plexopathy
Polymyalgia rheumatica