Attempting to install timers in Seconds for iOS should be done through Safari. This is done by tapping the action icon (up arrow out of a box). Other apps may not recognise the file.
Please note: Timers that have not been viewed in the last 6 months will be periodically deleted.
Timer Duration: 4:30 Rollover intervals for more details.
Exercises:
Planken
Elleboogplank Naar Handenplank (en Vice Versa)
Rust
Schuine Plank Rechts
Schuine Plank Links
Rollende Plank
Zeeschildpad
Dynamische Superman
Planken 0:30
Elleboogplank naar handenplank (en vice versa) 0:30