a) not obeying the rule of Margin for Error:
ii) not anchoring the elbow
iii) not keeping the vertical outward block vertical – i.e. over reaching
b) proper alignments:
i) fist at eye-brow level
ii) blocking arm extended to same shoulder
iii) palm facing direct toward you
c) double factors:
i) not crossing to center line
Examples of bad outward Blocks
(improper width, angle, and shrugged shoulders)