Dale Avers, PT, PhD, lead author Manuel Hernandez, and moderator Kathleen Kline Mangione, PT, PhD, GCS, PTJ Editorial Board Member, discuss the clinical implications of “Decreased Muscle Strength Relates to Self-Reported Stooping, Crouching, or Kneeling Difficulty in Older Adults” (January 2010), which represents physical therapists' attempt to understand the relationship between function and impairment. Dr Avers contributes insights from her exploration of the effectiveness of exercise interventions in preventing mobility disability in aging adults.