Answer:
1. Assess your fitness level
You probably have some idea of how fit you are. But assessing and recording baseline fitness scores can give you benchmarks against which to measure your progress. To assess your aerobic and muscular fitness, flexibility, and body composition, consider recording:
Your pulse rate before and immediately after walking 1 mile (1.6 kilometers)
How long it takes to walk 1 mile, or how long it takes to run 1.5 miles (2.41 kilometers)
How many standard or modified pushups you can do at a time
How far you can reach forward while seated on the floor with your legs in front of you
Your waist circumference, just above your hipbones
Your body mass index
2. Design your fitness program
It's easy to say that you'll exercise every day. But you'll need a plan. As you design your fitness program, keep these points in mind:
Consider your fitness goals. Are you starting a fitness program to help lose weight? Or do you have another motivation, such as preparing for a marathon? Having clear goals can help you gauge your progress and stay motivated.
Create a balanced routine. For most healthy adults, the Department of Health and Human Services recommends getting at least 150 minutes of moderate aerobic activity or 75 minutes of vigorous aerobic activity a week, or a combination of moderate and vigorous activity. The guidelines suggest that you spread out this exercise during the course of a week. Greater amounts of exercise will provide even greater health benefits.
But even small amounts of physical activity are helpful. Being active for short periods of time throughout the day can add up to provide health benefits.
Do strength training exercises for all major muscle groups at least two times a week. Aim to do a single set of each exercise, using a weight or resistance level heavy enough to tire your muscles after about 12 to 15 repetitions.
Start low and progress slowly. If you're just beginning to exercise, start cautiously and progress slowly. If you have an injury or a medical condition, consult your doctor or an exercise therapist for help designing a fitness program that gradually improves your range of motion, strength and endurance.
Build activity into your daily routine. Finding time to exercise can be a challenge. To make it easier, schedule time to exercise as you would any other appointment. Plan to watch your favorite show while walking on the treadmill, read while riding a stationary bike, or take a break to go on a walk at work.
Plan to include different activities. Different activities (cross-training) can keep exercise boredom at bay. Cross-training using low-impact forms of activity, such as biking or water exercise, also reduces your chances of injuring or overusing one specific muscle or joint. Plan to alternate among activities that emphasize different parts of your body, such as walking, swimming and strength training.
Try high-interval intensity training. In high-interval intensity training, you perform short bursts of high-intensity activity separated by recovery periods of low-intensity activity.
Allow time for recovery. Many people start exercising with frenzied zeal — working out too long or too intensely — and give up when their muscles and joints become sore or injured. Plan time between sessions for your body to rest and recover.
Put it on paper. A written plan may encourage you to stay on track.
3. Assemble your equipment
You'll probably start with athletic shoes. Be sure to pick shoes designed for the activity you have in mind. For example, running shoes are lighter in weight than cross-training shoes, which are more supportive.
If you're planning to invest in exercise equipment, choose something that's practical, enjoyable and easy to use. You may want to try out certain types of equipment at a fitness center before investing in your own equipment.
You might consider using fitness apps for smart devices or other activity tracking devices, such as ones that can track your distance, track calories burned or monitor your heart rate.
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