The lungs also help the body to get rid of CO 2 gas when we breathe out. There are a number of other jobs carried out by the lungs that include: 1  Changing the pH of blood (whether the blood is more acid or alkali) by increasing or decreasing the amount of CO 2 in the body. 2  Filtering out small blood clots formed in veins.
Anxiety, however, is often the cause of jelly legs, especially severe anxiety. Take our free 7 minute anxiety test to score your anxiety severity and learn more about how to control your anxiety. Start the anxiety test here. When your legs feel like jelly, standing can feel unusual. It may be accompanied by dizziness or balance issues that are either related to the weakness in your legs, or the direct result of anxiety causing other symptoms and conditions.
Some types of LGMD may also cause weakness in the feet, ankles, calves, hands and wrists. A few specific types of LGMD may cause heart problems or weakness of the breathing muscles.Usually the muscles of the face are unaffected and the brain, intellect, and the senses are not impaired.eople with LGMD experience weakness in the muscles in the top part of the arms, shoulders, hips and thighs. The weakness usually affects the legs first followed by the arms. Symptoms that might be noticed first include frequent falls and difficulty climbing stairs, running and rising from the floor.