Assesses temporomandibular joint mobility.

  • TMJ Test
  • TMD Test

  • TMJ dysfunction
    • TMJ hypo-mobility
    • TMJ pain
    • TMJ headache

Patient Position
  • Seated
Examiner Position
  • Standing in front of patient
Steps of Performance
  1. The patient opens their jaw
  2. The patient then inserts as many of their own knuckles, from their non-dominant hand, into their mouth as possible
Alternative Methods

Insertion of as many knuckles as possible into an open mouth requires that the mandible be opened as wide as possible, which allows for the patient’s full, active range of mandibular depression to be assessed.

General

Positives

<3 knuckles inserted

  • Reduced active range of mandibular depression

Pertinent Negatives

DATA
TAGS

Assesses temporomandibular joint mobility.

  • TMJ dysfunction
    • TMJ hypo-mobility
    • TMJ pain
    • TMJ headache

Patient Position
  • Seated
Examiner Position
  • Standing in front of patient
Steps of Performance
  1. The patient opens their jaw
  2. The patient then inserts as many of their own knuckles, from their non-dominant hand, into their mouth as possible
Alternative Methods

Insertion of as many knuckles as possible into an open mouth requires that the mandible be opened as wide as possible, which allows for the patient’s full, active range of mandibular depression to be assessed.

General

Positives

<3 knuckles inserted

  • Reduced active range of mandibular depression

Pertinent Negatives