The correct posture, such as elbow with the keyboard at the same level. The two sides lay flat on the floor stand to sit straight, curved, unusual to raise wrist.
The correct sitting posture, such as elbows while typing on the keyboard at the same level. Two legs lie flat on the floor, sit up straight, not curved, bent wrist disorders.
Pose sit correctly, such as while typing the elbow with the keyboard is on the same level, the two legs a smooth paste on the floor. Sit up straight, don't let the wrist bend. Abnormally curved .