Related Clues:

• Tinned meat suppressing son's hiccup
• Attack made by fools going over major's head
• Group of jerks
• On reflection writing a few last words when fit
• Fit, but writing up to health resort
• Second one�s during afternoon having sudden convulsive action
• Leading surgeon maps out muscular contraction
• Back twinge
• Sudden muscle contraction
• Involuntary muscle action
• Cramp, say
• Email blitz overwhelms son in sudden attack
• Hiccup, for one
• Muscle cramp, e.g
• Knee jerk, perhaps