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Mobility · Get stronger

Spine & hip mobility for a stronger trunk

Intermediate · 25–39 · ~12 min

Twelve minutes to free up the joints around your core so it can brace and load well. Below is a research-backed prompt for ChatGPT, Claude or Gemini, copy it, paste the reply into sweatcue, and run the whole mobility routine hands-free.

Session at a glance

Duration~12 min
FormatTimed holds & flow
FocusSpine & hips
IntensityControlled
Equipmentbike
Best forGet stronger, intermediate

This is how sweatcue structures the session once you paste it in, timed blocks with auto-starting rest and spoken cues. Figures are read from the prompt itself.

The prompt

Copy the complete prompt (it wraps the request below so the AI returns a clean, runnable session).

Write me a 12-minute spine and hip mobility routine that supports core training. I'm intermediate, 25-39. Give each move a hold or rep count and time in seconds, with a cue. Include: cat-cow x8 (slow), thoracic rotations on all fours, 8 each side; open-book thoracic rotation, hold 3s x6 each side; 90/90 hip switches x8 total; deep squat hold (hold 30s, gently pry knees out); hip flexor lunge stretch, hold 30s each side; supine spinal twist, hold 30s each side; and bird-dog 6 each side to finish (linking mobility to trunk control). Tell me where I should feel each one, and which to ease off if I feel pinching rather than stretch. No bouncing, smooth, controlled holds.
Works with Claude, Gemini, Grok or any AI.

Why it's built this way

Mobility work around the thoracic spine and hips can improve range of motion and helps you get into good positions for bracing, squatting, and rotating under load. Be realistic: stretching and mobility drills reliably increase ROM but the carryover to 'core strength' itself is indirect, they support your strength work rather than replace it. Keep this as a short complement to direct core training.

Sources: Behm et al., Sports Med – Open 2023 (stretching & ROM review)

Who this workout is for

Built with one person in mind: Want real trunk strength and visible abs, direct core training, not spot-reduction.

  • You’re an intermediate-level trainer and you want to get measurably stronger.
  • You have access to the kit it calls for: bike.
  • You want a single, repeatable mobility routine you can drop into your week.

Who should adapt or skip it

  • It’s low-risk for healthy adults. Scale the loads and reps to your own level rather than copying the top of every range on day one.
  • As with any new routine, check with a clinician first if you have a medical condition, are injured, pregnant, or returning from a long lay-off. This is general information, not medical advice.

What a 2-week plan looks like

A single session works best on a repeating weekly rhythm. Here’s a simple, balanced two-week block at about 5 sessions a week, on non-consecutive days so you recover between them:

MonTueWedThuFriSatSun
Week 1●●●·●●·
Week 2●●●·●●·

● This session· Rest or a gentle walk

Keep session days apart where you can, and adjust for how you feel. When you paste the AI’s reply into sweatcue, each session runs hands-free with spoken cues and timers.

Run it hands-free in sweatcue

sweatcue is an AI workout dashboard: paste the AI's reply and it runs the whole session on screen and out loud, auto timers, spoken cues for every set, rest and rep, and your live numbers. The AI writes it; sweatcue runs it.

Download for iPhone →

More mobility & related workouts

BodyweightAnti-rotation core circuit WeightsLoaded core: chops, carries, leg raises PilatesPilates core-control session Bodyweight · PlanPlank to dragon-flag plan (4 weeks)

New to prompting an AI for workouts?

Start with the full workout library, learn the method in how to write a workout prompt, or see what an AI workout dashboard does.