- Sudden pain at the back of the leg, approximately midway between the knee and the heel.
- Difficulty in standing on tiptoe.
- Swelling or bruising in the calf muscle.
- Pain when the muscle is contracted against resistance.
The calf muscle is made up of the gastrocnemius muscle which is the big muscle at the back of the lower leg and the soleus, the smaller one located just below the gastrocnemius. These muscles can become injured or torn due to poor stretching or overuse. Calf strain is common in athletes, especially runners. Symptoms of calf strain are: