Is Lifelong Knee Joint Force from Work, Home, and Sport Related to Knee Osteoarthritis?

Table 5

Force value assigned to each activity in the CPFI formula. Average knee (tibiofemoral) force (× bodyweight (BW)).

Activity	Knee force (BW)
Stand	1
Walk	3
Run	6
Stand and hold object > 23 kg	1 + 23 kg
Walk and carry object > 23 kg	3 + 23 kg
Push	3
Heavy tool	1
Kneel	0
Squat	5