Causes include: *Thrombosis (approximately 40% of cases) *Arterial embolism (approximately 40%) *arteriosclerosis obliterans Another cause of<unk>  is skeletal muscle<unk>  as a rare complication of long standing, poorly controlled diabetes mellitus.
Limb infarction
Flail limb
Burn
Burn 
Tendon rupture
Malunion
Spinal fracture
Bone fracture