The jig is second in popularity only to the reel in traditional Irish dance; it is popular but somewhat less common in Scottish country dance music. 8 time. The most common structure of a jig is two eight-bar parts, performing two different steps, each once on the right foot, and one on the left foot.
Noun. 1. spasm-a painful and involuntary muscular contraction. cramp, muscle spasm. symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease.
A back spasm is the involuntary contraction or tensing of the muscles in the lower back. The condition ranges from infrequent and mild discomfort to severe pain that makes it difficult to move. Back spasms can typically be treated effectively without surgery.