Also found in: Dictionary, Thesaurus, Legal, Acronyms, Encyclopedia.
Related to multidirectional instability: AMBRI
Malfunction of the shoulder joint in more than one direction, resulting in a limited mobility or shoulder pain. Although the instability may be present from birth, it is often a result of injuries that occur in sports in which the arm is used overhead, as in gymnastics, swimming, or volleyball.
See also: instability