Internal
Internal is anything and everything within you. For example being ill or having health problems . The most internal feature for a type A individual is being a perfectionist. Looking at this i see Yaya toure is a perfectionist who always likes everything perfect.So if he doesnt get a pass correct he will feel frustrated.But being the man he is he will analyse whee he went wrong and work on that element
External
External is anything and everything that happens on the outside of a persons environment .For example a person may react and behave differently in the enviroment they are in e.g. too noisey , too quite.You may react differently depending who you are if you are in a negative social interactions with other people e.g. Yaya toure is a calm type b individual but if he's around type A individuals he will become a type A to fit in this comes under the social learning theory , Big events that may happen in someones life can change the behaviour and view of a individual .For example due to yaya toure being black , a lot of racism has been going on within the sporting industry. A fan can be racialy abuse him .Due to this yaya toure can lose self esteem and confidence.
Occupational
Occupational Causes of stress is related to your job or in working environment . This may losing a passion for our working field or being unemployed . In a sporting situation, if you disagree with your manager or coach or even being dropped from your sport .For example due to yaya toure being the starting center mid week in week out one match he may be dropped from the team sheet due to a poor performance at training or previous match.This may leave him depressed and lower his self esteem.
Sport Environments
Sports personal is the importance of a situation which is taking place. So if the situation is very important your and others expectations are high . For example In big cups for international team and club . more pressure would be built on Yayas shoulders by the press and team mates.He has to perform to the best of his ability and beyond.
Personal