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What it is
Comprehensive postural assessment, desk ergonomics optimization, corrective exercises, movement break protocols, and habit formation for lasting postural improvement.
A skill is a written procedure a bot loads when a job calls for it. This one is a single file, SKILL.md, and the whole file is on this page.
Length 331 lines2,079 words, about 10 min read
Category Health and wellnesspreventive health
Level Intermediate Give your first job to Murage. Download the app, connect the AI you already pay for, and tell your Chief of Staff what needs doing. Plan on about ten minutes from install to a working team.
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Open source license
Skill Guard health-wellness fitness guide Paste it into your agent's instructions (CLAUDE.md, AGENTS.md or a custom GPT), or add it to a bot in Murage.
When to Use User asks about posture corrector
User needs guidance on posture corrector topics
User wants a structured approach to posture corrector
Request requires professional consultation beyond educational guidance
User needs emergency assistance
Understanding Posture
Why Posture Matters Poor posture is not merely an aesthetic concern. It creates measurable biomechanical consequences:
Increased spinal load : Forward head posture adds approximately 10 lbs of effective head weight per inch of forward displacement
Muscle imbalances : Chronically shortened or lengthened muscles lose optimal force production
Reduced respiratory capacity : Slouched posture can decrease lung capacity by up to 30%
Nerve compression : Rounded shoulders and forward head can compress cervical and thoracic nerves
Digestive compression : Hunched posture compresses abdominal organs
Fatigue : Muscles working against gravity in suboptimal alignment tire faster
Common Postural Patterns Tight: Upper trapezius, levator scapulae, pectoralis major/minor, suboccipitals
Weak: Deep neck flexors, lower trapezius, serratus anterior, rhomboids
Appearance: Forward head, rounded shoulders, thoracic kyphosis
Tight: Hip flexors (iliopsoas), erector spinae (lumbar)
Weak: Abdominals, gluteus maximus
Appearance: Anterior pelvic tilt, exaggerated lumbar curve, protruding abdomen
Tight: Hamstrings, upper abdominals
Weak: Iliopsoas, lower abdominals, lower back extensors
Appearance: Pelvis pushed forward, flat lower back, exaggerated upper back curve
Self-Assessment Protocol
Wall Test (Standing Alignment) Stand with heels 2 inches from a wall
Press buttocks and shoulder blades against the wall
Check these contact points:
Contact Point Ideal Common Deviation Back of head Touches wall naturally Head forward of wall Shoulder blades Both touch wall evenly One or both forward Buttocks Touch wall May not reach Calves Near or touching wall N/A Hand space behind lower back Flat hand fits, not more Excessive gap = lordosis
Seated Posture Check ☐ To do: Ears aligned over shoulders (side view)
☐ To do: Shoulders relaxed, not elevated toward ears
☐ To do: Shoulder blades slightly retracted, not winging
☐ To do: Spine maintains natural S-curve
☐ To do: ☐ To do: Feet flat on floor or footrest
☐ To do: Wrists neutral (not flexed or extended)
Photo Assessment Take three photos (or have someone take them):
Side view - Look for: ear-shoulder-hip-knee-ankle alignment
Front view - Look for: shoulder height symmetry, head tilt, hip level
Back view - Look for: shoulder blade position, spine alignment, hip symmetry
Desk Ergonomics Setup
Monitor Position Height : Top of screen at or slightly below eye level
Distance : Arm's length away (20-26 inches)
Angle : Slight backward tilt (10-20 degrees)
Position : Directly in front, not off to one side
Dual monitors : Primary monitor directly ahead, secondary angled 30 degrees; if used equally, both angled inward symmetrically
Chair Setup Seat height : Thighs parallel to floor, feet flat
Seat depth : 2-3 finger widths between seat edge and back of knees
Lumbar support : Positioned at the curve of your lower back (L3-L5)
Armrest height : Elbows at 90 degrees, shoulders relaxed (not pushed up)
Recline : 100-110 degrees (slight recline reduces disc pressure vs. 90-degree upright)
Keyboard and Mouse Keyboard height : Elbows at 90-110 degrees, wrists neutral
Keyboard tilt : Flat or slightly negative tilt (front edge higher than back)
Mouse : Same height as keyboard, close to body
Consider : Split keyboards reduce shoulder internal rotation
Standing Desk Protocol Not all day : Alternate sitting and standing (30-45 minute intervals)
Standing surface : Anti-fatigue mat recommended
Standing posture : Weight distributed evenly, slight knee bend, avoid hip shift
Transition schedule : Start with 2-3 standing intervals per day, increase gradually
Laptop-Specific Ergonomics Laptops are ergonomically compromised by design (screen and keyboard are connected). Solutions:
External keyboard + laptop on a riser or stand
External monitor + laptop keyboard (less ideal)
Minimum: laptop stand elevating screen to eye level + external keyboard
Corrective Exercise Program
Daily Foundation Routine (10 minutes) 1. Chin Tucks (Deep Neck Flexor Activation)
Sit tall, look straight ahead
Draw chin straight back (make a "double chin")
Hold 5 seconds, release
3 sets of 10 repetitions
Key cue: "Make the back of your neck long"
Stand with back against wall, feet 6 inches out
Arms in "goalpost" position (elbows at 90 degrees, backs of hands against wall)
Slowly slide arms up overhead, keeping contact with wall
Slide back down to starting position
3 sets of 10 repetitions
Key cue: Keep lower back, elbows, and wrists touching wall throughout
3. Thoracic Extension on Foam Roller
Lie on foam roller positioned across mid-back
Support head with hands, elbows pointing forward
Gently extend backward over roller
Hold 5 seconds at end range
Move roller to 3-4 positions along thoracic spine
2 minutes total
4. Pectoral Doorway Stretch
Stand in doorway, forearms on door frame at 90 degrees
Step one foot forward, lean through doorway
Hold 30 seconds
Repeat with arms at 45 degrees above horizontal
2-3 repetitions each position
5. Cat-Cow Spinal Mobilization
On hands and knees, wrists under shoulders, knees under hips
Inhale: Drop belly, lift tailbone and chest (cow)
Exhale: Round spine, tuck tailbone and chin (cat)
Move slowly, emphasizing each vertebral segment
10-15 repetitions
Lie on back, knees bent, feet flat
Drive through heels to lift hips
Squeeze glutes at top, hold 3 seconds
Lower slowly
3 sets of 12 repetitions
Counters: prolonged sitting, hip flexor tightness
7. Dead Bug (Core Stability)
Lie on back, arms reaching toward ceiling, knees at 90 degrees
Press lower back firmly into floor
Slowly extend opposite arm and leg (right arm overhead, left leg out)
Return to start, switch sides
3 sets of 8 per side
Key cue: Lower back must not arch off the floor
Strengthening Additions (3x/week, 15 minutes) Lower Trapezius - Prone Y Raise
Lie face down, arms in Y position (thumbs up)
Lift arms 3-4 inches off floor, squeeze shoulder blades down and back
Hold 3 seconds, lower
3 sets of 12
Serratus Anterior - Wall Push-Up Plus
Standard wall push-up, but at end of push, protract shoulder blades (push further)
3 sets of 15
Hip Flexor Stretch - Half-Kneeling
Kneel on one knee, front foot flat
Tuck tailbone (posterior pelvic tilt)
Shift weight forward while maintaining tuck
Hold 30-45 seconds per side
2-3 repetitions
Rows (Banded or Dumbbell)
Focus on squeezing shoulder blades together at end range
3 sets of 12-15
Counteracts forward shoulder position
Movement Break Protocol
The 30-30-30 Rule Every 30 minutes : Micro-break (30 seconds) - change position, look away from screen
Every 30 minutes : Posture reset (see below)
Every 30 minutes of sitting : Accumulate 30 seconds of movement
Posture Reset Sequence (60 seconds, every 30 minutes) Breathe : 3 deep diaphragmatic breaths
Reach : Arms overhead stretch, 10 seconds
Squeeze : Shoulder blade squeeze, hold 5 seconds x 3
Tuck : 5 chin tucks
Twist : Gentle seated spinal rotation each direction
Stand : If seated, stand and shift weight side to side
Software : Stretchly, Workrave, Big Stretch Reminder, Time Out (Mac)
Smartwatch : Set recurring 30-minute vibration alerts
Physical : Hourglass timer on desk
Habit stacking : Link posture check to existing habits (every time you take a sip of water, check posture)
Environmental Triggers Sticky note on monitor : "Shoulders back, chin tucked"
Phone wallpaper : Posture reminder image
Desk setup : Foam roller visible and accessible, not stored away
Chair : Remove one armrest to notice when you lean
Progressive Implementation Week 1 : Ergonomic setup + wall test assessment + set timer reminders Week 2 : Add daily foundation routine (10 min) + movement breaks Week 3 : Add strengthening exercises (3x/week) Week 4 : Audit compliance, adjust timers, address weak spots Ongoing : Monthly reassessment photos, adjust program
Common Setbacks and Solutions Setback Solution skip movement breaks Use software timer with mandatory pop-up Exercises feel too easy Add resistance bands, increase hold times Soreness from new positions Normal for first 1-2 weeks; reduce intensity if sharp pain Revert when stressed/busy Reduce to minimum viable routine (chin tucks + shoulder squeezes) Travel disrupts routine Bodyweight-only travel routine: chin tucks, wall angels, cat-cow
Special Situations
Driving Posture Seat angle: 100-110 degrees
Lumbar roll or built-in support at lower back curve
Headrest: Middle of head, close to head (not inches away)
Mirrors: Adjust for upright posture so you notice when you slouch
Sleeping Posture Side sleeping (recommended): Pillow height fills shoulder-to-neck gap, pillow between knees
Back sleeping : Thin pillow under head, pillow under knees for lower back
Stomach sleeping : Discouraged (forces cervical rotation); transition with body pillow
Phone/Tablet Use Raise device to eye level (do not drop head to device)
Use a stand or prop on a pillow
Limit sustained phone use sessions to 10-15 minutes
"Phone prayer position": Hold phone higher with both hands, elbows supported
Progress Tracking
Monthly Assessment Retake the wall test and photo assessment
Compare side-view photos month over month
Record subjective scores:
Date: ___________
Wall test - head touches wall: [ ] Yes [ ] Almost [ ] No
Pain/discomfort level (0-10): _____
Energy level end of workday (1-10): _____
Movement break compliance (%): _____
Exercise routine compliance (days/week): _____
Posture awareness (1-10): _____
Notes: _________________________________
When to Seek Professional Help Pain persists despite 4+ weeks of consistent corrective exercise
Numbness or tingling in arms or legs
Headaches that correlate with posture or desk work
Visible structural asymmetry (significant scoliosis, leg length difference)
History of spinal injury or surgery
POSTURE CORRECTOR OUTPUT
========================
Section 1: Assessment / Analysis
- Key findings
- Recommendations
Section 2: Action Plan
- Step-by-step guidance
- Timeline if applicable
Section 3: Resources
- Relevant references
- Next steps
Example Input: "Help me get started with posture corrector"
Output: A structured posture corrector plan tailored to the user's specific situation, following the process outlined above.
Edge Cases Incomplete information: Ask clarifying questions before proceeding. Do not assume details the user has not provided.
Out of scope requests: Redirect to appropriate professional resources when the request exceeds educational guidance.
Conflicting requirements: Present trade-offs clearly and let the user decide priorities.
SKILL.md
331 lines · 2,079 words
The text of SKILL.md is shown as it downloads, under the Apache-2.0 license, by Ferrox Labs. The license is the one in the file's own frontmatter.
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