Scapular Treatment Principles

Original Editor - Ewa Jaraczewska based on the course by Ari Kaplan

Top Contributors - Ewa Jaraczewska and Jess Bell  

Introduction

Effective exercise prescription for the scapula requires clinicians to understand what each exercise is intended to achieve. It is guided by the assessment findings, respects the patient's current capacity, and systematically builds toward functional demands. This page outlines key principles that guide exercise selection and progression across early, mid, and later phases of scapular rehabilitation.

Scapula Exercise Prescription Principles

Several principles underpin effective scapular exercise prescription: addressing the foundation before loading it, distinguishing mobility deficits from motor control deficits, targeting the ratio between key muscle groups, matching exercise demand to the patient's current capacity, structuring progression across three phases of rehabilitation, and confirming correct muscle activation before progressing with more challenging exercises.

Address the Foundation Before Loading It

Before prescribing any strengthening exercise, clinicians must determine whether the scapula is sitting in an optimal resting position and whether it moves freely through passive range.

Any malposition of the scapula, whether or not it is fully related to a specific movement, can alter overall mechanics. — Ari Kaplan

A scapula that is elevated, depressed, anteriorly tilted, or internally rotated at rest will move inefficiently under load, regardless of the strength of the surrounding muscles. Malposition directly alters the mechanical advantage of every muscle that attaches to the scapula, disrupting the ratios and timing of coordinated movement.

Practical Application

Not all restrictions are visible at rest. When multiple structures are simultaneously hypertonic, they can cancel each other's positional influence, producing a scapula that appears to rest in a neutral position but cannot move freely. This is why passive assessment is essential — visual inspection alone may miss these restrictions.

Distinguish Mobility Deficits from Motor Control Deficits

Addressing the foundation requires the clinician to identify what is driving the limitation. It is important to distinguish between a patient who cannot move due to restricted mobility and a patient who has adequate mobility but who lacks motor control and overactivates some muscles. Both may present with limited or poorly coordinated scapular movement, but the intervention must match the deficit — mobilisation for restricted mobility, movement education and activation work for poor motor control.

Practical Application

Patients who overactivate may need to learn to relax into the movement. Exercises that use gravity to assist the target motion, combined with hands-on guidance, can help the patient feel the movement without overactivating.

The thoracic spine and ribs should be considered as contributing factors to apparent scapular dysfunction. An anteriorly tilted scapula may be caused by thoracic kyphosis rather than muscle tightness. If a patient cannot actively correct their spinal position, the thoracic spine and ribs should be addressed first.

Target the Ratio Between the Muscle Groups

In many patients with shoulder pain, the ratio between lower trapezius and upper trapezius, as well as the ratio between serratus anterior and upper trapezius, can be altered. Exercise selection should aim to improve these ratios; for example, increasing lower trapezius activation relative to upper trapezius during upward rotation, and ensuring serratus anterior contributes more effectively to protraction.

Practical Application

Clinicians should always verify that the intended muscle is leading the movement and ask the patient where they feel the work. Shrugging, scapular winging, or loss of rhythm are signs of compensation.

Patient position during exercises matters. In standing, the upper trapezius must activate to support the weight of the arm. Prone and side-lying positions reduce this demand, making them preferable for early scapular retraining.

Match Exercise Demand to Current Capacity

Research-based exercise recommendations must be interpreted carefully when applied to patients with shoulder pain. Much of the literature on scapular exercise is based on healthy individuals, but patients with shoulder pain frequently present with pain-related inhibition, altered motor patterns, and limited range of motion. An exercise that produces excellent lower-to-upper trapezius ratios in a healthy subject may not produce the same result in a patient who lacks the mobility to achieve the required position.

Practical Application

Before prescribing an exercise, the clinician should always ask, "Is this exercise activating the intended muscle in this patient, right now?" If the answer is no, the exercise is not yet appropriate, regardless of what the research says.

Structure Progression Across Three Phases

Exercise progression is guided by the patient's capacity across three phases: early, mid and later.

Early Phase

The early phase focuses on motor control and awareness. The goal is to establish basic scapular awareness and reduce overactivation. Exercises should be pain-free, low-load, and positioned to maximise the intended activation as easily as possible. Gravity-assisted or gravity-reduced positions are preferred. Success at this stage means the patient can produce the target movement pattern without compensation.

This optional video shows an example of early-phase scapular exercise.

Mid Phase

Once quality motor control is demonstrated, load can be progressively introduced. Exercises at this stage should continue to challenge the lower trapezius-to-upper trapezius and serratus anterior-to-upper trapezius ratios, now with resistance that builds muscular strength. The key check remains the same: confirm that the patient maintains the correct activation pattern as load increases. If compensation occurs, it is necessary to return to earlier exercises.

This video shows a table slide exercise for scapular stability.

Later Phase

This phase focuses on functional integration. The patient moves into upright positions that mirror real-world demands, with increasing speed and complexity. The challenge is that upright positions increase upper trapezius demands, so improved muscle ratios must be well-established before progressing to this stage.

This video shows a scapular retraction exercise appropriate for the later phase of rehabilitation.

Confirm Before You Progress

"Returning to a simpler movement to rebuild the pattern is not a regression — it is the most efficient path forward." — Ari Kaplan

Before advancing to a more demanding exercise, clinicians should confirm three things: correct muscle activation, absence of compensation, and pain-free execution. Patients who progress too early tend to reinforce compensatory patterns, which become harder to correct over time.

Practical Application

If these conditions are not met, the clinician should return to an earlier exercise until the patient is ready.

Resources

• The association of scapular kinematics and glenohumeral joint pathologies.
• A systematic review of the exercises that produce optimal muscle ratios of the scapular stabilizers in normal shoulders