Related Search Terms: Tight diaphragm. Diaphragm spasm. Breathing dysfunction. Abnormal breathing mechanics. Definition: Dysfunction relating to abnormal tightness or relative inactivity of the diaphragm during respiration. Characterised by reduced thoracic mobility, reduced rib movement, and shallow or laboured breathing. Exercises: Diaphragm Stretch: TSPM13, TSPM04, TSPM05 Diaphragmatic Breathing Exercise: TSPM13, TSPM04, TSPM05 Rib/Intercostal Stretch: TSPM13, TSPM04, TSPM05, CORM01, CORM03