Stretching Interval Calculator Formula

Understand the math behind the stretching interval calculator. Each variable explained with a worked example.

Use the Stretching Interval Calculator

Formulas Used

Stretches Needed

stretches_needed = ceil(sitting_hours * 60 / 45)

Total Stretch Time

total_stretch_min = ceil(sitting_hours * 60 / 45) * stretch_duration

Stretch Every

interval_min = round(sitting_hours * 60 / ceil(sitting_hours * 60 / 45))

Variables

VariableDescriptionDefault
sitting_hoursHours Sitting per Day(hours)8
stretch_durationStretch Duration Each(minutes)3

How It Works

Stretching During Prolonged Sitting

Research recommends a movement break every 30-45 minutes of sitting.

Stretches Needed = Sitting Minutes / 45

Recommended Stretches

1. Neck rolls (30 seconds) 2. Shoulder shrugs (30 seconds) 3. Seated spinal twist (30 seconds each side) 4. Hip flexor stretch (30 seconds each side) 5. Wrist circles (30 seconds)

Total: about 3 minutes per session.

Worked Example

8 hours sitting, 3 minutes per stretch session.

sitting_hours = 8stretch_duration = 3
  1. 01Stretches needed = ceil(480 / 45) = 11 sessions
  2. 02Total stretch time = 11 x 3 = 33 minutes
  3. 03Stretch every = 480 / 11 = 44 minutes

Ready to run the numbers?

Open Stretching Interval Calculator