3 Types of Core Exercises Every Baseball & Softball Player Should Be Doing

By Dr. Carmen Jansante, PT, DPT, CSCS

Undefeated Physical Therapy & Performance

When it comes to strength training for baseball and softball players, we often hear about arm care, shoulder stability, and the importance of strong legs. Yet somewhere between arm day and lower-body training, core work gets misunderstood—or worse, overlooked entirely.

Many athletes think crunches and sit-ups equal core training. While those exercises have value for movement like hip flexion, they don’t translate well to the functional demands of throwing, hitting, sprinting, and absorbing force. Baseball and softball are dynamic, rotational, high-velocity sports. The core’s job is not just to bend or twist—it’s to transfer energy efficiently between the lower and upper body while stabilizing the spine under load.

Research using MVIC (maximum voluntary isometric contraction) testing has shown high levels of core and glute involvement during throwing motions. If the core is weak, more stress shifts to the arm. If the core is strong and stable, the arm doesn’t have to work nearly as hard—reducing risk of injury and increasing velocity and power.

So instead of endless sit-ups, here are the three categories of core exercises every baseball and softball athlete should be training consistently:

1. Anterior Core Stabilization

Train the front of the core to resist extension and hold firm under load.

During a throw or swing, the trunk doesn’t crunch forward—it stabilizes. The anterior core needs to maintain position while the hips rotate and force transfers through the upper body. We train this best through isometric stabilization, not curling the spine.

A favorite drill I use with my athletes:

Overhead J-Band Anti-Extension Hold

• Anchor J-Bands or Jaeger Bands behind the athlete

• Insert a PVC pipe through the handles and position overhead

• Athlete kneels or half-kneels under the bar, resisting the pull from behind

• We hold, pulse, apply rhythmic resistance, or incorporate slow arm movement

This forces the core to brace and fight against extension—just like during throwing rotation and acceleration.

2. Posterior Core Stabilization

Training the backside of the core—lower back, lumbar, thoracic stabilizers.

Most people think “core” means abs, but the posterior chain is just as critical. A strong backside helps maintain posture through wind-up, load, stride, and release. Weakness here leads to energy leaks, fatigue, and compensations through the shoulder and elbow.

My go-to posterior stabilization exercise:

Reverse Hyper Isometric Holds

You don’t need a machine—just a bench and physio ball work great.

• Hips supported on ball or bench

• Feet lift straight behind the athlete

• Hold for 20–30 seconds, progressing longer as tolerated

• Variations include: single-leg holds, rhythmic resistance, hip abduction (Y-spreads)

This builds control, endurance, and lumbar-hip connection for strong rotational output.

3. Core Power & Speed Training

Because nothing in baseball happens slow—your core shouldn’t either.

Throwing, swinging, base-running → ALL high-velocity movements. That means your core must produce and resist force quickly.

One of my favorite power-core drills:

Rotational Band Chop (Power Focus)

• Band anchored behind or slightly behind-the-side of the athlete

• Arms extended away from the body (increases moment arm/tension)

• Athlete chops horizontally while rotating from the hips—not the spine

• Sets of 3–5 reps, multiple sets, reset between each rep

It should be fast, controlled, and powerful—just like you’d move on the field.

Why This Matters

A strong and stable core:

✔ Enhances throwing velocity

✔ Improves bat speed and exit velocity

✔ Reduces shoulder & elbow stress

✔ Supports hip-to-hand energy transfer

✔ Keeps athletes durable through long seasons

At Undefeated Physical Therapy & Performance, we use these exact concepts inside our arm care and throwing development programs. When the core stabilizes well, the arm doesn’t have to take unnecessary load—and performance can increase tremendously.

Ready to build a durable, powerful, game-ready core?

We work with baseball and softball players every day to help them throw harder, move better, and stay healthy long-term.

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We’d love to help you take the next step in your performance.