| a) | proper alignments: |
| i) | height = elbow slightly bent during and after execution of block (not "locked out") |
| ii) | width = blocking arm extended to opposite shoulder |
| iii) | depth = blocking arm extended parallel to front knee after execution |
| iv) | palm facing downward (toward leg) |
| b) | improper execution: |
| i) | not obeying Economy of Motion principle: |
| 1) | cocking weapon prior to delivery |
| ii) | not keeping back straight (leaning) |
| iii) | improper angles of execution |
| 1) | not executed parallel to body |
| c) | improper positioning: |
| i) | not keeping back straight (leaning) |
Example of proper Inside Downward - Palm-Down Block (right)
Examples of improper Inside Downward - Palm Down Block execution
improper depth - far / close, width - narrow / wide,
improper angle of execution, leaning