Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 2 of 2 for Difficulty running
  1. Knee Replacement (National Library of Medicine)  
    ... have knee damage that causes severe pain and difficulty doing daily activities, such as walking and climbing ... doing any high-impact activities, such as jogging, running, and jumping. Instead, you can try low-impact ...
  2. Amyotrophic Lateral Sclerosis (National Library of Medicine)  
    ... muscle problems. Some people notice: Trouble walking or running Trouble writing Speech problems Eventually, you lose your ...