Trigger finger is an excruciating condition that causes the fingers or thumb to get or lock when curved. In the thumb it’s called trigger thumb. Trigger finger happens when tendons in the finger or thumb get aggravated. Tendons are intense groups of tissue that associate muscles and bones. Together, the tendons and muscles in the hands and arms curve and straighten the fingers and thumbs. A tendon normally floats effectively through the tissue that blankets it (called a sheath) as a result of a greasing up layer encompassing the joint called the synovium. In some cases a tendon may get excited and swollen. At the point when this happens, bowing the finger or thumb can pull the kindled tendon through a limited tendon sheath, making it snap or pop. Trigger finger might be created by a rehashed development or intense utilization of the finger or thumb. Rheumatoid joint inflammation, gout, and diabetes likewise can result in trigger finger. So can getting a handle on something, for example, a force instrument, with a firm grasp for a long time. Farmers, modern specialists, and artists frequently get trigger finger since they rehash finger and thumb developments a considerable measure. Indeed smokers can get trigger thumb from rehashed utilization of a lighter, for instance.