Full squats (supported)

 

Full squats strengthen both the quads and the hamstrings, but should not at this stage be attempted unsupported.

 

 


 

In case you cannot see the video, here is a still sequence -

full squats Stand upright holding onto a firm support
full squats Slowly squat deeply, as far as is comfortable. 
full squats Squat as low as is comfortable. Hold the position for 5 seconds.
full squats Slowly rise to the starting position.
full squats Repeat the exercise 5 times.