Elastic Bands for Shoulder Strength: The Pros, Cons, and What Baseball and Softball Players Should Know

Kathy Ryan-Ceisel, PT MHS | Algonquin Sports PT

Overhead Throwing Expert-Athletic Edge and Wellness Edge

Elastic resistance bands are a staple in physical therapy, sports performance, and baseball and softball arm-care programs. Walk into almost any baseball facility, and you will likely see athletes performing rows, external rotations, pull-aparts, and other band exercises before practice or throwing.

But how effective are elastic bands at actually building shoulder strength? Are they better than dumbbells? And are they enough to prepare the shoulder for the demands of throwing?

The answer is that elastic bands are an effective training tool, but like any form of resistance, they have advantages and limitations. Understanding how to use them can make a significant difference in developing a well-rounded shoulder-strengthening and arm-care program.

What Does the Research Say About Elastic Resistance?

A 2022 systematic review by Seguin et al., The Efficacy of Upper-Extremity Elastic Resistance Training on Shoulder Strength and Performance, examined 24 studies involving elastic resistance training programs lasting 4–12 weeks.

The researchers reported improvements in several shoulder strength measurements:

• External rotation strength: 11–42% improvement

• Internal rotation strength: 11–13% improvement

• Shoulder abduction strength: 8–16% improvement

• Shoulder extension strength: 4–17% improvement

The authors concluded that elastic resistance training can improve shoulder strength and performance. These findings are important for overhead athletes because the rotator cuff and surrounding shoulder musculature play an essential role in controlling the shoulder during throwing.

However, the studies varied considerably in their exercise selection, resistance levels, training duration, and testing methods. These percentages represent the range of improvements reported across the studies, not expected results for every athlete.

The takeaway: Elastic resistance works. The bigger question is how to incorporate it into an effective strengthening program.

The Pros of Elastic Bands for Baseball and Softball Players

Elastic bands offer several advantages that make them particularly useful for overhead athletes.

1. Convenient for Pre-Throwing Preparation

One of the biggest advantages of bands is how easily they can be incorporated into a pre-throwing routine. Bands allow athletes to perform controlled, lower-load movements to prepare the rotator cuff and scapular musculature before throwing. They are inexpensive, portable, and can be used at the field, in the bullpen, or before practice.

However, band exercises should be considered one component of a throwing warm-up, not a replacement for a progressive throwing preparation.

2. Targeting the Rotator Cuff

The rotator cuff plays an important role in controlling the humeral head and maintaining shoulder stability during throwing. Bands allow athletes to target internal and external rotation in multiple positions, including standing, sidelying, prone, and elevated arm positions.

This versatility allows physical therapists and coaches to address specific strength and control deficits rather than simply performing the same exercises in the same position.

3. Developing Muscular Endurance

Baseball and softball players repeatedly load their shoulders during practices, games, and throwing sessions. The rotator cuff must tolerate repeated muscular demands while helping control the shoulder throughout the throwing motion.

Bands provide a convenient way to perform higher-repetition, lower-resistance exercises that can help develop muscular endurance. This is particularly useful when targeting the smaller muscles of the rotator cuff and scapular stabilizers.

4. Improving Scapular Control

The scapula serves as the foundation for shoulder movement. Approximately 17 muscles attach to the scapula, making it an important part of the shoulder's overall movement and stability system. Bands can target muscles responsible for scapular retraction, upward rotation, and stabilization.

Exercises such as rows, pull-aparts, and resisted diagonal patterns can help athletes develop better control of the shoulder blade during upper-extremity movement.

5. Training the Shoulder Without Heavy External Loads

Not every strengthening exercise needs to involve heavy weights. The rotator cuff consists of relatively small muscles that contribute to shoulder stability and movement control. Many exercises targeting these muscles can be performed effectively with lighter resistance.

Bands provide an opportunity to introduce resistance without requiring significant external loads. This can be particularly useful during rehabilitation or when gradually reintroducing shoulder strengthening following injury.

6. Easy to Modify the Training Stimulus

One of the biggest advantages of elastic bands is the ability to change the exercise without necessarily increasing the resistance.

Consider these variables:

• Position: Standing, prone, sidelying, or quadruped.

• Speed: Slow, controlled movements versus faster movements.

• Tempo: Changing the time spent during the concentric and eccentric portions of the exercise.

• Arm position: Changing the angle of the shoulder or elbow.

• Range of motion: Working through different portions of the available range.

• Band tension: Adjusting the distance from the anchor point or changing band resistance.

These modifications allow the therapist or coach to change the muscular demand and training stimulus without simply adding more weight.

7. Convenient for In-Season Arm Care

During the baseball and softball season, athletes have to balance throwing workload, strength training, practices, games, and recovery. Bands are easy to transport and require minimal equipment. They provide a convenient option for targeted shoulder exercises without requiring access to a weight room.

They can also be incorporated into individualized recovery and maintenance programs based on the athlete's throwing schedule and current workload.

The Cons of Elastic Resistance Bands

Although bands have many advantages, there are also limitations to consider.

1. Resistance Is Difficult to Quantify

One of the biggest limitations is knowing exactly how much resistance the athlete is using. Band color does not always translate to a consistent resistance level.

Tension changes depending on the band's starting length, amount of stretch, and distance from the anchor point. This makes it more difficult to accurately measure and document resistance compared with traditional weights.

2. Resistance Changes Throughout the Movement

Unlike dumbbells, which provide relatively consistent resistance against gravity, elastic bands increase resistance as they are stretched. This means the muscular demand changes throughout the range of motion.

Depending on the exercise, the most challenging portion may occur at the end of the movement. This is not necessarily a disadvantage, but it is important to understand when selecting exercises and determining where the athlete needs to be challenged.

3. Progressive Overload Can Be Difficult to Measure

Building strength requires progressively challenging the muscles.

With dumbbells, increasing resistance from 2 pounds to 3 pounds is relatively straightforward.

With bands, progression is less precise because tension depends on several variables, including band length, stretch, and positioning. Without tracking these variables, it can be difficult to determine whether the athlete is actually progressing.

4. They May Not Provide Enough Resistance for Every Athlete

Bands are excellent for targeted rotator cuff work and lower-load strengthening, but stronger athletes may need additional resistance to continue developing strength.

Relying exclusively on bands may limit the ability to progressively challenge larger muscle groups and develop higher levels of strength.

This is where dumbbells, cables, machines, and other resistance equipment can complement an elastic resistance program.

Bands vs. Weights: Which Is Better?

The question should not be whether bands or weights are better. Both provide valuable training opportunities.

Elastic bands	Dumbbells and weights
Convenient and portable	Easier to quantify resistance
Resistance increases with stretch	Resistance is relatively consistent through a movement
Excellent for lower-load exercises	Useful for progressive strength development
Easy to modify position and tension	Easier to track incremental loading
Useful for muscular endurance	Useful for a broader range of strength demands

For baseball and softball players, there is a place for both. Bands can be particularly useful for rotator cuff activation, targeted shoulder strengthening, and muscular endurance. Dumbbells and other resistance equipment provide additional opportunities to progressively increase strength.

The best approach is to select the resistance method based on the athlete's needs and the goal of the exercise.

What Does This Mean for Baseball and Softball Arm Care?

The rotator cuff and scapular musculature play an important role in shoulder stability, arm control, and the ability to tolerate the repetitive demands of throwing.

However, arm care should involve more than completing a list of band exercises.

A comprehensive program should consider:

• Rotator cuff strength and endurance.

• Scapular strength and control.

• Shoulder and thoracic mobility.

• Trunk and lower-extremity strength.

• Throwing workload and recovery.

• The athlete's current strength deficits and movement limitations.

It is also important to recognize that strengthening the shoulder and preparing the arm to throw are not the same thing. Band exercises alone do not establish readiness to return to throwing. Throwing capacity must be progressively developed through an appropriate throwing progression.

The Bottom Line

Elastic bands work! Research supports their ability to improve shoulder strength and performance. They are versatile, convenient, and particularly useful for targeting the smaller muscles responsible for shoulder stability and control.

But bands are a tool, not an entire strengthening program.

At Athletic Edge & Wellness, we believe effective arm care starts with understanding the individual athlete. Identifying strength deficits, mobility limitations, and movement inefficiencies allows us to select the appropriate exercises and resistance methods to address those needs.

Sometimes that means bands. Sometimes it means weights. Often, it means both.

Don't just do arm care. Make your arm care count.

At Athletic Edge & Wellness in Algonquin, IL, we help baseball and softball players develop individualized strength and arm-care programs designed to support shoulder health and athletic performance.

Ready to take a closer look at your shoulder strength and arm health?

📞 224-505-3343

Schedule your Full Count Assessment today!

References

Seguin, R. C., Cudlip, A. C., & Holmes, M. W. R. (2022). The efficacy of upper-extremity elastic resistance training on shoulder strength and performance: A systematic review. Sports, 10(2), 24.