Glossary D

Diagonal abduction is defined as the movement by a limb through a diagonal plane away from the midline of the body.

Diagonal plane is defined as a combination of more than one plane. Less than parallel or perpendicular to the sagittal, frontal, or transverse plane. Diagonal plane is also known as Oblique plane.

Dialect refers to the form or variety of a spoken language peculiar to a region, community, social group, occupational group, and so on.

Dialectic method refers to the technique used by Abelard in seeking truth where questions are raised, and several possible answers to those questions are explored.
Dialectic process is a term which according to Hegel refers to the process involving an original idea, the negation of the original idea, and a synthesis of the original idea and its negation. The synthesis then becomes the starting point or "the idea" of the next cycle of the developmental process.

Dialectical behavior therapy (DBT) is a Cognitive-behavioral therapy developed by Marsha Linehan for borderline personality disorder and related conditions that teaches skills in mindfulness, emotion regulation, distress tolerance, and interpersonal effectiveness.

Dialogue refers to an open, honest discussion between or among the parties in a dispute.

Diaphragm refers to the major respiratory muscle responsible for inspiration. Diaphragm is dome-shaped muscle that separates the thoracic cavity from the abdominal cavity; the partition separating the cavity of the chest from that of the abdomen.