In the tennis centre a 1000-square-metres workout room, divided into 2 zones, gives athletes the space to fine tune during their arduous days. The most confined space has one Pulley Machine and one Adductor machine, while the main area has three Run, three Bikes, one Chest Press, one Leg Curl, one Leg Extension, a Leg Press, a Shoulder press, a Glute, a Easy Chin Dip and a Cable Crossover machine. Moreover, there are eight adjustable benches for free-weight workouts with dumbbells and bells.

Open from 7 a.m. to 11 p.m., the heaviest traffic is during the peak hours before competitions, concentrated between 9 a.m. to 12 noon, as well as 1 to 3 p.m.. During competitions from 5 to 11 p.m. athletes pop in to stretch and relax.

The warm up training consists of 3 stages:

1. Warm-up: to warm up muscles prior to competition. Both men and women start with a quick run on the three Run Excite treadmills or the three bikes for 10-15 minutes and then proceed with a strength training session or weight lifting and/or series of extensions with cables to train for strength and flexibility. This stage lasts about 40 minute.
2. Field training: about two hours of play on the tennis field. A series of volleys, serves, backhands to analyse tactics, with or without the coach's supervision.
3. Stretch and Relax: stretching exercises for arms and legs, lasting approximately 30 minutes.

Some figures: the machines used the most are bikes, free weights and .

Before competition, a warm-up and stretching period is required and after it a minimum 30 minutes relaxation is a must.

Both before and after competition, athletes stream in and out of the gym. Tennis as a sport requires both indoor and outdoor training. Moreover the gym becomes a way to socialize where athletes meet to chat together and share comments, ideas and doubts.

Among the Champions at the Gym are all the top players: Chilean gold medallist Nicolas Massu, the other Chilean bronze medallist Fernando Gonzales, top American tennists Roger Federer , other top player the brasilian Gustavo Kuerten, the Americans Fish and Roddick , the gold medallist the Belgian Henin-Hardenne Justine, the French top player Mary Pierce, American Venus Williams and many more.

Aquatic Centre

The move from earth to water means different needs and infrastructures. The Aquatic Centre consists of three areas:
1. A stretching area equipped with mats, balls and cables.
2. A strength Area equipped with Selection Strength machines: one Pulley machine, one Chest Press, one Crossover machine, an Abdominal, a Leg Extension, a Leg Press, an Arm Curl, free weights, benches and scales.
3. A room with a spring board for divers training

Before and after training the gym opens from 7 a.m. to 10 p.m. with peak time between 9 a.m. to 11 a.m. and 6 p.m. to 9 p.m.

Training Program

As for Tennis, the training program consists of 3 stages:
4. Warm-up: to make muscles warm for competition, usually carried out poolside with stretching and flexibility exercises.
5. Training on Water: about 2 hours swimming all styles in the training swimming pool external to the Gym area or in the indoor swimming pool.
6. Stretch sand Relax: some stretching exercises for arms and legs on mattresses around the pool or inside the gym lasting about 30 minutes

The Aquatic Gym is less used than the Tennis. While in the Olympic Village, swimmers do cardio training in the gym, at the Aquatic centre they are mainly focused on their primary elements. Water. There's no better cardio training than doing laps in the pool for a swimmer. Water polo players use cross over cables for strength and flexibility exercises. Among the famous players the Italian Water polo Team.

Athletics

The global overview of the gyms on the OAKA grounds ends with the gym for athletics. This gym is located outside the Olympic Stadium, next to a training field and covers 2,000 square metres.

It is divided in 3 main areas:

The Gym opens from 7 a.m. to 10 p.m. The peak times are from 9 a.m. to 12 noon and from 1 pm to 3 p.m. Also from 5 p.m. to 10 p.m. to warm up before competitions.

For Athletics, the training program varies based on specific disciplines, but has its standard elements.

The 3 Gyms at athletes disposal are mainly "operative gyms" to warm up and refine training before competition. They represents a concerted effort towards athletes' competitive needs from the ATHENS 2004 Olympic Committee, that managed this XXVIII Olympic Games in an innovative, yet traditional way.