Walking to and from the library carrying the books on Access will surely
help

->)
On a more serious note, start by writing down the information you want to
record and to track. Presumably it will involve weights, dates, types of
exercise and when and how many and how long those exercises were done.
Some ideas:-
Table exercises:
id_exercise autonumber PK
desc text
Table regime?
id_regime autonumber PK
plannedstart short date
plannedend short date
actualstart short date
actualend short date
id_exercise number FK
numberoftimesplanned number
numberoftimesactual number
notes memo