Related Clues:

• Sudden contraction
• Burst
• P.C. program
• Muscle contraction
• Twinge
• Software program, briefly
• Muscle problem
• Involuntary twitch
• Sudden convulsion
• Back attack
• Muscle cramp, for one
• Fleeting muscle problem
• Piece of software, for short
• -
• Involuntary muscular contraction