Symptoms of Appendicitis: 1  Abdominal pain that starts with dull aching in the middle of the abdomen that gradually becomes more severe and becomes located in the lower right abdomen. 2  Some people will experience lower back or pelvic pain. 3  Mild fever. 4  Nausea. 5  Vomiting.
Understanding Gastrocnemius Muscle Tear. A gastrocnemius muscle tear is a severe, sudden injury to your calf muscle. This muscle helps flex the lower leg. It also helps you do quick movements, such as jumping and sprinting. An injury to this muscle is sometimes called âtennis leg.â. gas-trok-NEE-mee-us.
Â© 2014 WebMD, LLC. All rights reserved. The calf muscle, on the back of the lower leg, is actually made up of two muscles: 1  The gastrocnemius is the larger calf muscle, forming the bulge visible beneath the skin. 2  The gastrocnemius has two parts or heads, which together create its diamond shape.ll rights reserved. The calf muscle, on the back of the lower leg, is actually made up of two muscles: 1  The gastrocnemius is the larger calf muscle, forming the bulge visible beneath the skin.