Objectives: To evaluate the efficacy of intrathecal baclofen (ITB) for upper extremity spastic hypertonia in tetraplegia of spinal origin. Setting: University of Alabama at Birmingham hospital.

Hypertonia is a condition marked by an abnormal increase in muscle tension and a reduced ability of a muscle to stretch. It is caused by injury to motor pathways in the central nervous system, which ...

Lance JW. Symposium synopsis. In: Feldman RG, Young RR, Koella WP, editors. Spasticity: disordered motor control. Chicago: Year Book Medical Pubs; 1980. p. 487–9.

A muscle’s resistance to stretch in called its tone. It resists the effects of gravity, in posture and movement, yet allowing muscle the freedom to move. Hypertonia is marked by an abnormal increase ...