Balance is a key issue for Sam and Don. Sam's balance varies from day to day based on his nutrition and the amount of sleep he receives. Don's balance issues come from the fact that he has a damaged left knee, which makes it difficult for him to move in and out of tight areas.
Reduced range of motion affects all the men due to many years of limited activity. Rob suffers from reduced range of motion due to muscle spasms and contractions as a by-product of his anxiety problems. Don's tightness comes from a sedentary lifestyle and involuntary muscle spasms.
Endurance problems are an issue for everyone from years of being sedentary and limited activities. Endurance problems for Sam and Don are exacerbated by the fact that they each smoke two packs of cigarettes each day and have poor nutrition habits.
Bowel and bladder dysfunction affects Sam and Don. Cues are given frequently to avoid mishaps. Sam and Don's incontinence is worsened by the huge amounts of caffeine beverages that they consume. It is not uncommon for Sam to make five trips to the restroom during a one-hour outing.