Squat
Bending at the hips and knees together, and standing back up.Getting off a low sofa. Using an Indian toilet. Picking up a grandchild. Standing up from the floor at a wedding.
When it goes — You start using your hands on your knees to stand. Then the armrest. Then you stop choosing low chairs.
Range
How far down you can go before your form breaks.
Load
How much you can hold there, and for how long.