Empty Can (Jobe) Test

Purpose

Screen for Empty Can findings.

Execution

1. 1Stand with arms elevated in the scapular plane to 90 deg
2. 2Internally rotate so thumbs point down
3. 3Apply downward pressure at the distal forearm
4. 4Ask the client to resist the pressure
5. 5Note pain or weakness compared to the other side

Key Observations

• Arms at 90 deg abduction, 30 deg horizontal, thumbs down
• Weakness or pain indicates a positive test

Views

• frontal

Protocol

1. 1Observe from: frontal.
2. 2Standardize start position and instructions.
3. 3Perform 2-3 trials per side when applicable.
4. 4Record key observations and any positive indicators.
5. 5Compare left vs right when applicable.

Reference

Frank Jobe