Quick Answer: Why Do Legs Give Out Without Warning?

What causes sudden leg weakness in elderly?

Poor Circulation.

Seniors with high cholesterol levels and cardiovascular problems often have poor circulation.

When blood fails to flow smoothly throughout the lower body, leg muscles are deprived of the oxygen and nutrients needed to function.

Thus, older adults may feel leg weakness, cramping, and fatigue..

Why am I losing strength in my legs?

This article focuses on conditions that cause a true loss of strength in the leg muscles. Among the most common causes for leg weakness is sciatica, problems with the spinal cord that lead to pinching or compression of the nerves as they exit the spinal cord through the holes between the vertebrae of the backbone.

Why do my legs feel like they are going to give out?

Causes of nerve damage include direct injury, tumor growth on the spine, prolonged pressure on the spine, and diabetes. A spinal cord injury. Spinal cord injuries are among the most common reasons that legs give out. These injuries vary in severity but should always be evaluated immediately by a spine specialist.

What causes legs to buckle under you?

Certain factors may be related to knee buckling. These include knee pain, which can occur for a variety of reasons, and weak muscles at the front of the leg. The following may also contribute to the likelihood of knee buckling: Arthritis, which can cause severe pain in the knees and create joint instability.

What disease causes weakness in the legs?

Potential causes of muscle weaknessneuromuscular disorders, such as muscular dystrophies, multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS)autoimmune diseases, such as Graves’ disease, myasthenia gravis, and Guillain-Barré syndrome.thyroid conditions, such as hypothyroidism and hyperthyroidism.More items…•

Why are my legs weak and shaky?

If you suddenly feel weak, shaky, or lightheaded—or if you even faint—you could be experiencing hypoglycemia. A headache that comes on quickly, weakness or tremor in your arms or legs, and a slight trembling of your body are also signs that your blood sugar is too low.