4. The abbreviation SBA means:

10. The abbreviation DJD stands for:

16. The abbreviation TWE means:

17. The abbreviation UA means:

9. The abbreviation for nothing by mouth is:

18. The abbreviation fx stands for:

2. The abbreviation tid means:

14. The abbreviation C & S means:

15. The abbreviation VS means:

What type of exercise involves the distal segment being fixed?