Strength is a measure of muscle, endurance and stamina combined.
A score of 3 a player can only lift 30 pounds while a score of 18 they can lift 180 pounds.
The ability to life over 180 pounds is scores from 19 – 25.
Refer to Strength Table 1 in Advanced Dungeons & Dragons Players Handbook, Strength Table II: Ability Score Adjustments in Advanced Dungeons & Dragons Players Handbook and in Dragon Adventures SRD Beta.
Under Construction