If your fingers are aligned, straight and strong, then you have strong fingers, but in case if your fingers are not straight and slightly bent, then you have weak fingers
If Your Thumb is Straight and Aligned, then You have A Strong Thumb
It means you are very determined and hard-working fellow. Your only goal is to achieve success. You are powerful if your index finger is straight. The middle finger shows that you are responsible, confident and efficient. If you have a ring finger strong then it means you are blessed with creativity. The little finger shows that you have good communication skills and easily approachable or not.