Related Clues:

• (Muscle) injury
• First space shuttle to visit the International Space Station
• Do one's best around Eve Cook?
• Great effort
• Beginning to speak, express stress
• Genetic variant
• Have difficulty in expressing The Sound of Music
• Exert to the utmost in race
• Separate line of descent
• Anxiety in the family
• Effort in race produced by second coach
• Try — Cook's vessel
• Try to achieve something
• Try and goal always, we hear, follows
• Muscle overexertion