It was developed by R.E. Morgan and G.T. Adamson. It is utilized to develop strength, power, endurance, speed, agility, flexibility and neuromuscular coordination. It is a formal type of training in which an athlete goes through a series of exercises that are arranged in a circuit. They can be arranged inside or outside, even on top of roofs. There are usually 5-10 stations in a circuit. 

Example: 

• Station no.l- Bench press—develops arms, chest and shoulders 
• Station no.2- Dumb-bell squat—develops legs 
• Station no.3- Chinning the bar—develops arms and shoulders 
• Station no.4- Bench stepping—develops legs 
• Station no.5- Press up—develops arms, chest and shoulders 
• Station no.6- Sit-Ups—develops abdominal muscles 
• Station no.7- Dumb-bell raising sideways—develops arms and shoulders 
• Station no. 8- Skipping—develops legs 

It improves sports performance as – 

• It develops total fitness of the player. 
• It provides interesting environment for the contestants. 
• It can accommodate large group of players. 
• It helps in increasing load from time to time.