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What Are Isolation Exercises & 11 to Try

In this roundup, I’m sharing 11 isolation exercises for the arms, shoulders, chest, back, legs and calves that can help beginners and experienced fitness enthusiasts strengthen individual muscles, improve muscular endurance and build a more balanced workout routine. These exercises are ideal for anyone looking to add targeted strength training to their routine, whether you’re working out at home or in the gym.

What Are Isolation Exercises?

Isolation exercises are strength-training movements designed to place a majority of the work on a specific muscle group, typically by limiting movement to a single joint. Also called single-joint exercises, isolation exercises differ from compound exercises, or multi-joint exercises, which involve several joints and muscle groups working together.

As a personal trainer, I use isolation exercises to target specific muscle groups, add focused work to a well-rounded fitness routine, and strengthen weaker or underdeveloped muscles to support balanced movement and injury prevention.

Isolation exercises have several benefits and are useful for both beginners and experienced exercisers alike:

• Target specific muscles: Isolation exercises allow you to focus on a particular muscle group you want to strengthen or develop.
• Support muscle growth: Directly training a specific muscle can contribute to muscle growth, especially when isolation exercises are combined with an effective strength-training program designed to promote hypertrophy.
• Increase muscle activation: Focusing on a single primary muscle group can help you concentrate on the movement and the muscles doing the work.
• Address muscle imbalances: Isolation exercises can give additional attention to weaker muscles or help address muscular imbalances when one side or muscle group needs more focused training.
• Add targeted training volume: Isolation movements can increase the amount of work performed by a specific muscle without requiring the same level of involvement from multiple muscle groups.
• Complement compound exercises: Adding isolation exercises to compound movements such as the bench press, squat or deadlift can create a more complete strength-training routine.

An important note to remember is that isolation doesn’t mean only one muscle is working. Other muscles may assist or stabilize during the movement, but the exercise places greater emphasis on a specific target muscle or muscle group. 

Isolation vs. Compound Movements

The major difference between isolation and compound exercises is the number of joints and muscle groups involved. Isolation exercises are designed to place most of the work on a single muscle or muscle group. Compound exercises involve movement at multiple joints and require several muscles and muscle groups to work together.

For example, a preacher curl or incline dumbbell curl primarily targets the biceps by moving through the elbow joint, whereas a bench press targets the chest, shoulders and triceps and moves through multiple joints. A leg extension focuses primarily on the quadriceps or quads, while exercises like the front squat, back squat, deadlift and Romanian deadlift require several muscle groups to work together to complete the movement. Other compound exercises, such as the overhead press and push-up, similarly involve multiple muscles working together.

Neither is inherently better than the other, but they have different end goals. Compound exercises can efficiently train multiple muscle groups at once and are often useful for building overall strength, while isolation exercises allow you to focus on a specific muscle group and are great for bodybuilding. A common use for compound movements is to build a foundation of a workout and then add isolation exercises such as leg curls, tricep extensions or lateral raises for more targeted work.

Understanding the difference allows you to choose exercises that better align with your fitness goals. Isolation exercises and compound exercises can complement each other, giving you the flexibility to build a workout routine that develops overall strength while still allowing you to focus on individual muscles when needed.

A Brief Rundown

These 11 isolation exercises provide targeted strength-training options for the chest, back, arms, shoulders and lower-body. They can be used to add focused work to a workout routine, whether your goal is muscle gain, muscle growth, improved muscular endurance or addressing a specific muscle group.

For most people, isolation exercises can be included 2-3 times per week, depending on the exercise, training volume and how well you recover. They can be performed after compound exercises or used as part of a full-body or split routine.

If you are recovering from an injury, experiencing pain during exercise or have a medical condition that affects your ability to exercise safely, talk with your healthcare provider or qualified fitness professional before adding these movements to your routine.

Equipment to Have on Hand

Medium set of dumbbells, mini loop resistance band and box/chair/bench. I suggest anywhere from 5-20 lbs.

Instructions

Choose 3-5 exercises from the list below and follow these rep and set ranges:

• Beginners: Aim for 2-3 sets of 8-10 reps
• Intermediate: Aim for 3-4 sets of 10-12 reps
• Advanced: Aim for 4-6 sets of 12-15 reps

1. Dumbbell Chest Fly

Targets: Chest muscles, both the larger pectoralis major (upper chest and lower chest) and the smaller pectoralis minor, upper arms, shoulders, abs and core.

2. Dumbbell Pullover

Targets: Lats (latissimus dorsi), chest (pectorals), shoulders (deltoids) and core.

Note(s): Keep your lower back pressed into the floor and avoid letting your ribs flare as you lower the dumbbell behind your head. Use a lighter weight if you have difficulty maintaining control or proper form throughout the movement. 

3. Bicep Curl

Targets: The biceps brachii (the front of your arms or the long head of the biceps muscle).

4. Hammer Curl

Targets: The long head of the bicep as well as the brachialis (another muscle in the upper arm located at the elbow joint) and the brachioradialis (a forearm muscle).

5. Tricep Kickback

Targets: Triceps brachii, including the long head, lateral head and medial head. This move also challenges the rear delts and core stabilizers as you hinge and hold position.

Modification(s): Reduce the weight and perform the movement with your chest supported on a bench or chair to take pressure off the lower back. You can also shorten your range of motion if fully extending the elbow causes discomfort.

6. Overhead Tricep Extension

Targets: The long head of the triceps and all the stabilizing muscles in the shoulders, core, glutes and lower back muscles.

7. Skull Crusher

Targets: Triceps (back of the arms) and core.

8. Front Raise

Targets: Front and middle deltoids, trapezius and rhomboids

Modification(s): Alternate arms, performing a single arm front raise.

9. Lateral Raise

Targets: The lateral deltoid (also engages the anterior deltoid and posterior deltoid).

10. Hamstring Curl

Targets: Glutes (gluteus medius) and hamstrings.

Modification(s): Perform a hamstring walkout from the floor. Start lying on your back in a glute bridge position, heels planted, knees bent at 90 degrees, hips lifted off the mat. Slowly “walk” your heels out away from your body, feeling a stretch in the backs of your legs. Then walk them back in, returning to starting position.

11. Standing Calf Raise

Targets: Calves (gastrocnemius and soleus) and ankles

Modification(s): Use a wall, chair or other stable surface for balance if needed. For a lower-impact option that requires less balance, perform a seated calf raise with your feet flat on the floor and lift your heels toward the ceiling. For an added challenge, perform the exercise 1 leg at a time or hold dumbbells for additional resistance.  

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