Eccentric Strength In Rehab: Why It Matters

We often think of strength in terms of the “lifting” part of a movement – getting up from a squat, pulling a weight, or pushing away from the floor. But the lowering phase is just as important. That controlled lengthening under tension is called eccentric muscle contraction, and it is a huge part of rehab and performance.

At Sydney Injury Specialists, we use EP-led Clinical Pilates to train eccentric control in a safe and targeted way – especially for those recovering from tendon pain, joint injuries and surgeries.

What Is Eccentric Strength?

Muscles work in three basic ways:

• Concentric: The muscle gets shorter under load (getting up from a chair).
• Isometric: The muscle is under tension but does not change length (holding a plank).
• Eccentric: The muscle lengthens while under load (lowering yourself into the chair in a controlled way).

Eccentric actions are involved in the following:

• Slowing your body down (landing from a jump, walking down stairs).
• Controlling joint motion (stopping your knee from collapsing in when you squat).
• Absorbing shock (downhill running, sudden changes of direction).

Because eccentric work loads muscle and tendon tissue highly, it’s a critical part of rehab.

Why Eccentric Training Is Important In Rehab

Evidence and clinical experience support eccentric-focused programs in conditions like:

• Tendinopathies (e.g. Achilles, patellar, gluteal)
• Post-surgical rehab, such as ACL reconstruction
• Muscle strain recovery, like hamstrings and calves
• Knee and hip osteoarthritis, where shock absorption and control are key

Benefits of eccentric training include:

• Tendon adaptation: Gradual, heavy eccentric loading helps tendons become more tolerant and less reactive over time.
• Better control: It teaches your body how to effectively “put the brakes on”. This is important for sport but also for everyday tasks such as going downstairs.

However, eccentric work is more likely to cause muscle soreness and tissue stress, so it must be progressed slowly under supervision in a rehab setting.

How Clinical Pilates Targets Eccentric Strength

Clinical Pilates is ideal for eccentric training because of its spring-based resistance and controlled environment. Under EP supervision, we can finely tune the load and direction of resistance.

Some examples:

Reformer legwork:

• Slowly lowering the carriage under control during leg presses or lunges.
• Emphasising the return phase, not just the push.

Bridging and hip work:

• Single-leg bridges where the focus is on the slow lowering of the pelvis.
• Side-lying leg work with springs resisting the lowering leg.

Upper body control:

• Rowing, pulling and pushing movements where the emphasis is on the controlled return.

Trunk and rotation tasks:

• Spiral and rotation exercises where springs resist the “untwisting” phase.

We can adjust variables like spring tension, tempo, range of motion and repetitions individually, ensuring you’re challenged without flaring pain.

Is Eccentric Training Right For Everyone?

Almost everyone benefits from some eccentric work, but we individualise it:

• People with irritable tendons or acute flares may begin with isometrics (static holds), progressing to slow eccentrics.
• Those with severe pain or early post-operative stages may initially focus on range of motion and basic strength first.
• Osteoporosis, certain neurological conditions or advanced joint changes require specific exercise choices and load management.

Eccentric strength is crucial for injury rehabilitation, performance and long-term tissue resilience. Integrating eccentric work into your rehab can help you move more confidently, with better control and fewer setbacks.

Ready to improve your recovery? Contact Sydney Injury Specialists to book an appointment with one of our Accredited Exercise Physiologists.