Ergonomic problems can be caused by both work-associated and non-work associated conditions can either individually, or by both interacting with each other.

There are many ways to determine which is conditions of workplace can lead to Ergonomic Problems. The main risk for Ergonomic problems like Repetitive Strain Injury and Carpal Tunnel Syndrome are the frequent repetitive motion tasks, awkward posture, vibrations, forceful movements, stress at workplace, poor workplace setup.
Symptoms of Ergonomic Problems

Pain in wrists, forearms, elbows, neck, or back followed by discomfort
Aching or tingling
Dry, itchy, or sore eyes
Loss of color in affected regions
Blurred or double vision
Cramping
Numbness or a burning sensation in the hand
Reduced grip strength in the hand
Swelling or stiffness in the wrist joints
Reduced range of motion in the shoulder, neck, or back
Weakness
Tension stress headaches and related ailments

The main causes of are:

Awkward posture
Frequent repetitive motion tasks
Stress at workplace
Vibrations
Forceful movements
Poor workplace setup
Sitting in same posture for continuous long hours
Lower back support is inadequate

Types of Ergonomic Problems

Musculoskeletal Disorders
Ergonomic Problem-Eye
Repetitive Stain Injury
Carpal Tunnel Syndrome
Other Ergonomic Problems