Tendinitis is most often caused by repetitive, minor impact on the affected area, or from a sudden more serious injury. There are many activities that can cause tendinitis, including:
- Gardening
- Raking
- Carpentry
- Cleaning house
- Shoveling
- Painting
- Scrubbing
- Tennis
- Golf
- Skiing
- Throwing and pitching
Incorrect posture at work or home or poor stretching or conditioning before exercise or playing sports also increases a person’s risk. Other risk factors for tendonitis include:
- An abnormal or poorly placed bone or joint such as length differences in your legs that stresses soft-tissue structures.
- Stress from other conditions like diabetes, rheumatoid arthritis, gout, psoriatic arthritis, thyroid disorders or unusual medication reactions.
- Overuse or doing too much work when the tendons to the task taken on. Tendinitis is common in people that play and exercise hard only on weekends.
- Occasionally an infection can cause tendinitis, especially infection from a cat or dog bite to the hand or a finger.
- Awkward positions and postures
- Reaching overhead frequently in case of shoulder tendonitis
- Vibration and forceful exertion