Gymnastics

Acrobatic gymnastics

Acrobatic Women's Pair performing a skill.
Main article: Acrobatic gymnastics
Acrobatic gymnastics (formerly Sport Acrobatics), often referred to as "Acro" if involved with the sport, acrobatic sports or simply sports acro, is a group gymnastic discipline for both men and women. Acrobats in groups of two, three and four perform routines with the heads, hands and feet of their partners. They may, subject to regulations (e.g. no lyrics), pick their own music.
There are four international age categories: 11-16, 12-18, 13-19, and Senior (15+), which are used in the World Championships and many other events around the world, including European Championships and World Games. All levels require a balance and dynamic routine, 12-18, 13-19, and Seniors are also required to perform a final (combined) routine.
Currently, acrobatic gymnastics is marked out of 30.00 (can be higher at Senior FIG level based on difficulty):

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  10.00 for routine difficulty, (valued from the tables of difficulties)
  
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  10.00 For technical performance, (how well the skills are executed)
  
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  10.00 For Artistry, (the overall performance of the routine, namely choreography)
  

Aerobic gymnastics
Main article: Aerobic gymnastics
Aerobic gymnastics (formally Sport Aerobics) involves the performance of routines by individuals, pairs, trios or groups up to 6 people, emphasizing strength, flexibility, and aerobic fitness rather than acrobatic or balance skills. Routines are performed for all individuals on a 7x7m floor and also for 12–14 and 15-17 trios and mixed pairs. From 2009, all senior trios and mixed pairs were required to be on the larger floor (10x10m), all groups also perform on this floor. Routines generally last 60–90 seconds depending on age of participant and routine category.
Other disciplines
The following disciplines are not currently recognized by the Fédération Internationale de Gymnastique.