I posted this in another thread- here is some literature you can read about Compex and E-Stim.
Potentiation
Posttetanic potentiation of human dorsiflexors, O’Leary, D, Hope, K, Sale, D, The American Physiological Society, Dept. of Kinesiology, McMaster University, H~ton,Ontario,Canada,pp.2131, 1997
Kinetics of Myofilament Activation in Potentiated Contraction: Staircase Phenomenon in Human Skeletal Muscle, Desmedt,J, Hainaut, K, Nature, 217:5128, pp 529-532, Feb. 1968
Postactivation Potentiation: Role in Human Performance, Sale, D, Exercise and
Sport Sciences Reviews, 30:3, pp. 138-143,2002
Stimulation Frequency and Force Potentiation in the Human Adductor
Pollicis Muscle, European Journal of Applied Physiology, 65; pp. 229-233, 1992
Endurance
Electrical Stimulation of Human Lower Extremities Enhances Energy
Consumption, Carbohydrate Oxidation, and Whole Body Glucose Uptake,
Journal of Applied Physiology, 96:911-916,2003
Effects of electrical stimulation on V 02 Kinetics and Delta Efficiency in
Healthy Young Men, Perez, M, Lucia, A, Santalla, A, Chicharro, JL, British Journal of Sports Medicine, 37(2):pp. 140-143
Resistance
Effects of Transcutaneous short-term Electrical Stimulation on M. Vastus lateralis Characteristics on Healthy Young Men, Perez, M,. Lucia, A, Rivero, J.L.L., Serrano, AL, Calet,J.-A.L., Delgado, MA, Chicharro,JL, European Journal of Physiology, 443:866-874, 2002
Energy Metabolism and Contraction Force of Human Skeletal Muscle in Situ During Electrical Stimulation, Hultman, E, Sjoholm, H, Journal of Physiology, 345:pp.525-532,
P NMR of Electrically Stimulated Rectus Femoris Muscle: An in Vivo Graded Exercis Model, Matheson, G, McKenzie, D, Gheorghiu, D, Ellinger, D, Quinney, A, Allen, P, Magnetic Resonance in Medicine 26:pp. 60-70, 1992
Explosive Strength
Effects of Electromyostimulation Tr~ining and Voleyball Practice on Jumping Ability, Malatesta, D, Cattaneo, F, Dugnani, S, Maffiuletti, N.,Journal of Strength and Conditioning Research, 17(3), pp. 573-579,2003
The Effects of Electromyostimulation Training and Basketball Practice on Muscle Stength and Jumping Ability, Maffiuletti, N, Cometti, G, Amiridis, G, :\fartin, A, Pousson, M, Chatard, J-C, International Journal of Sports Medicine;21:pp.437-443, 2000
Supplemental EMS and Dynamic Weight Training: Effects on Knee Extensor Strength and Vertical Jump of Female College Track & Field Athletes, Willoughby, D, Simpson, S, Journal of Strength and Conditioning Research, 12(3), 131-137, 1998
Strength
Electrical Stimulation and Swimming Performance, Pichon, F, Chartard,JC, Martin, A, Cometti, G, Medicine and Science in Sports and Exercise, pp. 1671-1676, 1995
Strength Response in Human Quadriceps Femoris Muscle During 2 neuromuscular Electrical Stimulation Programs, Parker, M, Bennett, M, Hieb, M, Hollar, A, Roe, A, Journal of Orthopaedic & Sports Physical Therapy, 33(12) pp. -19-726, 2003
The Effects of Combined Electromyostimulation and Dynamic Muscular Contractions on the Strength of College Basketball Players, Willoughby, D, Sunpson, S,Journal of Strength and Conditioning Research, 10(1), pp. 40-44, 1996
Electrical Stimulation of Quadriceps Femoris in an Elite Weight Lifter: A Single Subject Experiment, Delitto, A, Brown, M, Strube, MJ,. Rose, SJ, Lehman, ;tC, International Journal of Sports Medicine, 10, pp. 187-191, 1989
Active Recovery
INCREASE BLOOD FLOW
Blood flow Response to Electrically Induced Twitch and Tetanic Lower Limb muscle Contractions, Janssen, T, Hopman, M, Archives of Physical Medicine and Rehabilitation, Vol. 84, pp. 982-987, July 2003
STIMULATE ENDORPHIN RELEASE
Role of Endorphins in Pain Modulation, Stratton, S, The Journal of Orthopaedic :and Sports Physical Therapy, 0196-6011/82/0304, pp. 200-205
REDUCED MUSCLE SPASMS
Severe Muscle Cramps Relieved by Transcutaneous Nerve Stimulation: Report, Mills, KR, Newham, D), Edwards, RHT, Joumal of Neurology,Neurosurgery and Psychiatry, 45:539-542, 1982
Modulation of Spasticity: Prolonged Suppression of a Spinal Reflex by Secttica1 Stimulation, Walker,), Science, 216:203-204, April 1982
SPEED MUSCLE RECOVERY-MINIMIZE NEXT DAY SORENESS
Blood Lactate Disappearance at Various Intensities of Recovery Exercise
Dodd, S, Powers, S, Callender, T, Brooks, E,)oumal of Applied Physiology, Vol 57,No. 5, pp. 1462-1465, Nov. 1984