Joint Biomechanics
A 62-year-old man with left hip osteoarthritis is discussing weight loss with his orthopaedic surgeon. His BMI is 32 and he weighs 95 kg. The surgeon explains the biomechanical rationale for weight reduction before considering joint replacement surgery. Regarding hip joint reaction forces and loading:
Mark each as TRUE or FALSE
During single-leg stance, the hip joint reaction force equals approximately 2.5-3 times body weight;...
During walking, peak hip joint forces reach 3-4 times body weight at heel strike and toe-off phases;...
Hip joint reaction force during single-leg stance is approximately 0.5-1 times body weight because t...
The resultant hip joint reaction force acts at approximately 16-20 degrees from vertical in the fron...
Weight loss of 1 kg results in approximately 3-4 kg reduction in hip joint reaction force during wal...
Answer the questions to see explanations
Click T (True) or F (False) for each option