Lou Gehrig’s syndrome: Here are the first symptoms of this disease

catching the toes while walking
* An ankle that feels unusually weak
* Increasing difficulty climbing stairs

Mayo Clinic lists weakness in the legs, feet, or ankles among common early presentations. ([Mayo Clinic][1])

## 3. Frequent Tripping or Falling

Unexplained trips and falls can occur when leg or foot muscles become weaker.

Someone who previously walked normally may begin:

* Stumbling on flat surfaces
* Catching a foot on rugs or steps
* Losing balance more often
* Having trouble with routine walking

ALS is only one of many possible causes of frequent falls. Joint problems, medications, vision changes, inner-ear disorders, peripheral neuropathy, and other neurological conditions