Actually, it's very easy to dive if you are not doing tricks. Anyone can jump into a pool (the simplest technique is called the cannonball, you just fold up your body in the fetal position as you jump). If you want to spin and gyrate as you fall, that is much more demanding.
sky diving
sky diving
snorkeling
snorkeling
A physical fitness sports and talent test will help determine what level of exercise program you can perform without doing damage to your muscles and organs
snorkeling
walking to work
Physical activity is any activity that is higher than your average fitness level. It increases your fitness level, prevents illnesses and more. You feel healthier and more self-confident.
Most YMCA's have shuffleboard. It's a game that doesn't require a high level of physical fitness. However you'd have to check with the specific location to be certain.
Bowling, darts, golf etc.
Optimal Physical Fitness is the condition resulting from a lifestyle that leads to an optimal level of cardiovascular fitness, muscular strength, and fleibility as well as the achievement and maintenance of ideal body weight.
The best method to assess a person's fitness level is by having them do certain exercises. Also, having them undergo a complete physical exam could give an idea into their fitness level.