# 18.6.3  ‘Wrist back’ test of radial nerve function

Study Figure 18.11, which shows you how to perform the test for radial nerve function. Again you are testing for how much resistance there is to pressure you apply, this time to the individual’s raised hand, while you support the wrist.

Figure 18.11  The ‘wrist back’ test. Source: Watson, 1994, as for Figure 18.7.

18.6.2  ‘Thumb up’ test of median nerve function

18.6.4  ‘Foot up’ test of peroneal nerve function