Which of the following tests measures agility and balance?

The 8-foot up and go test is specifically designed to assess both agility and balance in seniors. In this test, participants start seated in a chair, rise, walk around a marker 8 feet away, return to the chair, and sit down again. The emphasis on timing—how quickly the individual can complete the course—provides insight into their ability to move quickly and maintain stability.

Agility is demonstrated by the ability to respond quickly while maintaining proper balance, especially when navigating the course. Balance is assessed through the requirement of transitioning from sitting to standing and walking in a straight line, which engages various muscular and proprioceptive systems. This test is valuable for understanding a senior's functional mobility, which is crucial for day-to-day activities and overall independence.

The other tests listed have different focuses: the 6-minute walk test concentrates on endurance; the arm curl evaluates upper body strength; and the back scratch measures flexibility. None of these tests directly assess agility and balance in the context of functional movement, making the 8-foot up and go the most suitable choice for evaluating those specific aspects.