Complete disruption through the tendon thickness, ranging from degenerative tears with preserved function to acute traumatic tears with major weakness.
THE MSK CLINICAL STORY
The shoulder that could be lifted—but couldn't lift itself
A fictional teaching case. Follow the clues, enjoy the conversation, and make the decisions a thoughtful clinician would make—not an instant diagnosis from a single symptom.
Scene 01 · The patient walks in
An older gardener falls onto an outstretched arm. A family member can gently help raise his arm, yet he cannot actively lift it well. 'I thought a torn muscle must always hurt terribly,' he says.
A little clinic conversation
Patient: 'Pain is only moderate, so the damage can't be big?' Therapist: 'Pain volume is not an MRI report.'
Scene 02 · Follow the clues
After trauma, disproportionate active weakness or an inability to elevate the arm despite more passive motion raises concern for a major cuff tear.
Plot twist · What could fool us?
The size of a tear and the level of pain do not correlate neatly. Acute traumatic weakness deserves timely medical evaluation rather than waiting through weeks of generic exercises.
Choose your learning lens
Same clinical case, two ways to understand it. The complete examination and treatment guide is still available below.
In everyday words
The tendons that help lift and rotate your shoulder may have torn. Because this followed a fall with significant weakness, a clinician should assess whether imaging or specialist treatment is needed.
Scene 03 · The rehabilitation journey
Select a pathway after assessment. Nonoperative or postoperative rehabilitation emphasizes protected movement and staged strengthening according to the injury and restrictions.
After a fall, active elevation is profoundly weak but gentle passive elevation is more available. Which is most appropriate?
Choose one answer to reveal the explanation. No score, no pressure—just better clinical reasoning.
These cases teach reasoning; they do not provide a diagnosis for an individual patient. Always consider red flags, contraindications, comorbidities and local referral pathways.
Treating acute pseudoparalysis as simple impingement
Overpromising healing from manual therapy
Ignoring cervical/neurologic differential
Clinical Pearls
Large traumatic weakness + lag/drop-arm signs deserves timely imaging/referral.
Pain severity alone does not indicate tear size.
Continue learning
Connect assessment with management
Use the related PNA learning pathways to explore examination techniques and structured rehabilitation. A test result should always be interpreted alongside the history, full examination and clinical presentation.
Use these sources as a starting point for clinical learning. A reference being listed here does not, by itself, establish that every recommendation on this page is strongly supported. Check the original publication, study design, population and limitations before applying findings to an individual patient.
Educational resource only. Tests and treatment plans must be adapted to the individual patient, irritability, comorbidities, surgical restrictions and local scope-of-practice requirements.
