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Muscle Dysmorphic Disorder Inventory

Authors

Tom Hildebrandt, Jim Langenbucher, David G. Schlundt (2004)

The MDDI is a 13-item, multidimensional measure designed to assess symptoms of muscle dysmorphia (MD), including cognitive, behavioral, and emotional features. In addition to global score, the MDDI contains 3 subscales: (1) Drive for Size, (2) Appearance Intolerance, and (3) Functional Impairment.

What this tool is good for:

MDDI is a valuable tool for both clinical and research purposes, helping to assess, understand, and address muscle dysmorphia symptoms. These symptoms can co-occur with eating disorders, particularly in individuals who engage in excessive exercise and restrictive eating to achieve a muscular physique.

Type of tool

Mechanisms/Processes

Specific gender

Non-specific

Age validated for use with

Adults (18+ years)

Eating disorders

General

Evaluates

Muscularity attitudes, Body shape attitudes

Delivery Setting

Self-report

Number of Questions

13

Specific Populations

General population

Approximate administration time:

5-10-minutes

Languages

English, German, Italian, Portuguese, Spanish, Turkish

Notes

MDDI items are provided in the primary publication.

Type of tool

Mechanisms/Processes

Specific gender

Non-specific

Age validated for use with

Adults (18+ years)

Eating disorders

General

Evaluates

Muscularity attitudes, Body shape attitudes

Delivery Setting

Self-report

Number of Questions

13

Specific Populations

General population

Approximate administration time:

5-10-minutes

Languages

English, German, Italian, Portuguese, Spanish, Turkish

Notes

MDDI items are provided in the primary publication.