Here are some selected publications on FES cycling for SCI:
1. Chilibeck, P. D., J. Jeon, et al. (1999). "Histochemical changes in muscle of individuals with spinal cord injury following functional electrical stimulated exercise training." Spinal Cord 37(4): 264-8.
2. Daly, J. J., E. B. Marsolais, et al. (1996). "Therapeutic
neural effects of electrical stimulation." IEEE Trans Rehabil Eng
4(4):
218-30.
3. Faghri, P. D., R. M. Glaser, et al. (1992). "Functional
electrical stimulation leg cycle ergometer exercise: training effects on
cardiorespiratory responses of spinal cord injured subjects at rest and
during submaximal exercise." Arch Phys Med Rehabil 73(11): 1085-93.
4. Frotzler, A., S. Coupaud, et al. (2008). "High-volume
FES-cycling partially reverses bone loss in people with chronic spinal
cord injury." Bone 43(1): 169-76.
5. Gerrits, H. L., A. de Haan, et al. (2001). "Peripheral
vascular changes after electrically stimulated cycle training in people
with spinal cord injury." Arch Phys Med Rehabil 82(6): 832-9.
6. Scremin, A. M., L. Kurta, et al. (1999). "Increasing muscle mass in spinal cord injured persons with a functional electrical stimulation exercise program." Arch Phys Med Rehabil 80(12): 1531-6.