HMS, BM EQ-Bank 47 MC For a person using crutches, which biomechanical principle is MOST important for energy efficient movement? Angular momentum Base of support Projectile motion Fluid resistance Show Answers Only \(B\) Show Worked Solution Consider Option B: Base of support A stable and appropriate base of support enables efficient force transfer and reduces energy expenditure Other Options: A: Not primary principle in crutch gait efficiency C: No projectiles involved in crutch walking D: Not relevant to crutch-assisted movement \(\Rightarrow B\)