This paper describes the effect of training the quadriceps muscles using electrical stimulation in preparation for the Odstock Standing System. The study shows the course of muscle atrophy and reduced peripheral circulation following SCI and shows that muscle thickness and limb blood flow returned to normal values after training.
The full article is published in Paraplegia. 1993 May;31(5):303-10.
limb_blood_flow_and_muscle_bulk_in_papraplegic_standing.pdf