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NIFS Healthy Living Blog

The Difference Between Compound and Isolation Exercises When Lifting

GettyImages-1368579391In a previous blog I discussed the importance of training within the movement categories. Those categories are upper body push and pull, squat, and hinge. To break it down even further within the categories, there are exercises that give you more bang for the buck than others. In this blog I differentiate between compound and isolation exercises. For those of you who are on a time crunch when you are in the gym, these exercises are crucial to get the most out of your training.

What Is the Difference?

A compound exercise is also known as a multi-joint exercise. This is an exercise in which more than one joint is required to move through the exercise. An example of a compound exercise would be a squat. To complete the squat pattern, three joints must move: the ankle, knee, and hip. Examples of compound exercises for the upper body are the bench press and overhead press. Both movements require the function of the shoulder and elbow. The reason that compound lifts have more payoff is that they work multiple muscle groups as well. A bench press uses the pectoralis muscles, deltoids, and triceps. This requires more energy to be expended than if you used only one of those muscle groups on a single joint exercise. Exercises that isolate a single muscle group are called isolation exercises. Examples of an isolation movement would be a bicep curl, triceps extension, leg extension, or a leg curl. The difference between a compound exercise and an isolation exercise is the number of joints that move.

Which Type of Exercise Should You Do?

Compound lifts are more challenging but less time consuming than performing multiple different isolation exercises. If you short on time while in the gym, a full-body workout full of compound movements will give you the most from your workout. I have written blogs about how to structure those types of workouts. If you want to sculpt your body in a particular way, and are focused on correcting muscle imbalances or injury rehabilitation, each may require the use of specific isolation movements to build up specific muscle groups. So, the question is, what are your goals? Once you define your goals, you can design your workout program.

Structuring a Workout

The most efficient way to structure a workout utilizing both methods is to perform a compound movement first in your workout followed by isolation movements to complement the muscles used in the compound movement. A quick example using the bench press would be bench pressing first, followed by isolation movements to isolate the chest and triceps. You want to save the most amount of energy for your compound exercises, which is why you should perform this one first. Fatiguing the triceps before a heavy bench workout will not yield the best results for bench press. This is why isolation exercises are best performed at the end of your workout.

For more information or guidance on how to structure your workouts, visit our training staff at the track desk in the fitness center. For nonmembers looking for help on your fitness journey, feel free to give us a call to set up a guest fitness assessment.

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This blog was written by Evan James, NIFS Exercise Physiologist EP-C, Health Fitness Instructor, and Personal Trainer. To learn more about the NIFS bloggers, click here.

Topics: fitness center muscles weight lifting weightlifting muscle building joints gym isolation exercises compound exercises structuring workouts

What’s the Best Time of Day to Work Out?

GettyImages-817322390Trying to figure out the best time to work out can be a difficult decision when attempting to balance a healthy lifestyle with work, a social life, and other hobbies. Let’s look at the various benefits of working out at certain times of the day compared to others. 

Morning Workouts

Let’s start at the beginning of the day, or morning workouts. The first benefit of working out at this time is that you will already have your workout done for the day. This should give you a sense of accomplishment to start the day and invigorate you for the day ahead and should also make you feel good and boost your confidence, knowing that you have gotten your workout in, leaving the rest of the day available for other tasks such as working, relaxing, hobbies, cooking and eating dinner, or hanging out with friends.

Some studies have shown that working out in the morning provides an increased metabolism, which means that you are going to burn more calories throughout the day. Another study showed that you will get better sleep working out in the morning compared to afternoon/evening because of an increased heart rate and body temperature. Yet another study showed that working out in the morning on an empty stomach before breakfast could increase fat burning.

Afternoon or Night Workouts

The next option for working out is an afternoon/night workout. If you have to be at work very early, it can make workouts difficult to do, especially if your work starts before a club is open. Early workouts are also difficult during the winter months when it’s dark in the mornings. So working out in the evening or afternoon has its benefits as well.

One study shows that your body temperature increases throughout the day, which is good for muscle function, strength, enzyme activity, and endurance for performance. Between 2pm and 6pm your body temperature is at its highest point in the day, which means your body is ready to go, which in turn makes it the most effective time of day to work out. Oxygen uptake is faster in the evening, as well, meaning that you use your body’s resources in a more effective way than in the morning. Working out in the morning may take your body longer to warm up the muscles, which will take away time from the workout itself. Your reaction time is at the quickest in the afternoon and evening. Your heart rate and your blood pressure are the lowest, which decreases your chance of injury while improving performance. One study even found that if you worked out in the morning and did the same workout at night, you had better quality of sleep.

So What's the Best Time to Work Out?

Overall, based on the above-referenced studies, there is no evidence that working out at a specific time of day is more beneficial than another. Whenever you work out, doing so is important for living a healthy lifestyle. Try to decide what time is best for your schedule to get a workout in, and then try to stick with a time so that you can be consistent to see even more training gains.

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This blog was written by David Behrmann, NIFS Health Fitness Instructor.To learn more about the NIFS bloggers, click here

Topics: workouts metabolism sleep morning workouts training schedule evening workouts night workouts blood pressure temperature