VALSALVA'S MANEUVER
TEST POSITIONING
The client should sit.
The therapist stands next to the client.
ACTION
The therapist asks the client to take a deep breath and hold while bearing down, as if having a bowel movement.
POSITIVE FINDING
Increased pain due to increased intrathecal pressure, which may be secondary to a space occupying lesion, herniated disk, tumor, or osteophyte in the cervical canal is a positive finding.
Pain may be localized or referred to the corresponding dermatome.
CONSIDERATIONS & COMMENTS
The increased pressure may alter venous function and cause dizziness or unconsciousness.
The therapist should be prepared to steady the client.