You enter Betty Smith’s room in the skilled nursing facility…

You enter Betty Smith’s room in the skilled nursing facility where you work on weekends.  She had a total knee replacement.  She is supine in bed and you transfer her safely into the wheelchair.  You unlock the wheel locks & propel the patient to the rehab gym.  You notice that changing directions while pushing her wheelchair is extremely difficult. Which of the following wheelchair components most likely needs to be replaced or adjusted?

Your patient is standing with two feet (FWB bilaterally) at…

Your patient is standing with two feet (FWB bilaterally) at the top of the stairs.  He steps down with the left leg to the next step.  Which of the following muscle contractions is occurring at the right knee joint as a patient is descending the stairs?