Explain the type of Ergogenic Aids.

Ergogenic aids are the external influences that can be determined to enhance performance in sports. These includes mechanical aids, pharmacological aids, physiological aids, nutritional aids and psychological aids.
(i) Mechanical aids : It includes altitude training, Aqua training, uphill and downhill running, treadmills, weight training, clothing, Footwear, equipments etc. These are valid Ergogemic aids.
(ii) Pharmacological aids : It includes anabolic steroid, Beta Blocker, Caffeine, protein supplements, Sodium bicarbonate. These are banned by IOC in sports.
(iii) Physiological aids : It is like Acupuncture, Blood doping, creatine, Herbal medicines, Human Growth harmones, physiotherapy, sports massage, sauna etc. Many of these are banned by IOC in sports.
(iv) Nutritional aids : They are like Bicarbonate of soda, caffeine, creative, sports drinks. Many of these are banned by IOC in sports.
(v) Psychological Aids : These includes meditation, mootivation, cheering, Relaxation. Most of these are valid and applicable in sports.