Quote Originally Posted by craig_colliass
The rule for walkers. from what I can tell this means the leg mechanism must have a leg (femur) joint (knee) and shin (Tib, Fib) like Pilgrim is this correct? If so can one count a crank link? like Spiderbot? any thoughts
This is a wording change only to make it a little clearer. To be allowed the additional weight a crank or cam is not sufficient. The system would still only have one degree of freedom.