Ice Massage: A block of ice formed into a paper cup rubbed on an injury in a massaging action to achieve a level of numbness.
Illiotibial Band: A thick, wide fascial layer that runs from the iliac crest to the knee joint and is occasionally inflamed as a result of excessive running.
Impingement Syndrome: Pinching together of the supraspinatus muscle and other soft tissue in the shoulder. The most common (throwing) arm injury, which represents many pathologies and generally involves supraspinatus overuse.
Inflammation: The body’s natural response to injury in which the injury site might display various degrees of pain, swelling, heat, redness and/or loss of function.
Isokinetic Exercise: Form of active resistive exercise in which the speed of limb movement is controlled by a pre-set limiting machine, such as Cybex or Biodex.
Isometric Contraction: Muscular contraction in which tension is developed but no mechanical work is done. There is no appreciable joint movement and the overall length of the muscle stays the same.
Isotonic Contraction: A concentric or eccentric muscular contaction that results in movement of a joint or body part, as in lifting a weight.
“Itis”: Suffix connoting inflammation (e.g. tendinitis, bursitis).
