How It Works

How Motiweights Works

Motiweights combines artificial intelligence, computer vision, and exercise science to create a seamless strength training experience. Here’s exactly how our app uses camera-based pose tracking to automatically count your reps and help you achieve your fitness goals.

The Technology Behind Automatic Tracking

Camera-Based Pose Tracking

Motiweights uses your smartphone’s camera and computer vision to track your body movements during exercise:

How the Camera Tracks You:

  • Our AI suggests exercises based on your personalized workout program
  • Your phone’s camera captures video of you performing the exercise
  • Advanced AI analyzes your body position and pose in real-time
  • Machine learning models identify key points on your body (joints, limbs)
  • The system tracks movement patterns to count each repetition
  • All processing happens efficiently to provide instant feedback

Why Camera-Based Tracking?

  • More accurate: Tracks your actual body movement, not just device motion
  • No wearables needed: Just your phone’s camera
  • Form analysis: Can provide feedback on movement quality
  • Universal: Works for any exercise you can see in the camera frame

Privacy Note: Video is processed in real-time and is not stored or recorded. Only the rep counts and movement data are saved to your workout log.

Machine Learning Models

Raw sensor data alone isn’t enough—we need intelligence to interpret it. Motiweights uses trained machine learning models to recognize patterns:

Training Data:

  • Thousands of workouts from real users
  • Hundreds of different exercises
  • Various body types and movement patterns
  • Different exercise tempos and styles

Pattern Recognition:

  • Identifies the characteristic “signature” of each exercise
  • Distinguishes between similar movements (e.g., bench press vs. overhead press)
  • Detects the beginning and end of each rep
  • Recognizes exercise phases (concentric, eccentric, pause)

Continuous Improvement:

  • Models improve with more data
  • Learn from your specific movement patterns
  • Adapt to your unique exercise style
  • Get more accurate over time

Real-Time Processing

The camera-based tracking happens in real-time:

  1. Video Capture: Camera captures your movement at high frame rate
  2. Pose Detection: AI identifies key body points (shoulders, elbows, hips, knees, etc.)
  3. Movement Analysis: Tracks how these points move through space
  4. Pattern Matching: Compares movement to the selected exercise pattern
  5. Rep Detection: Identifies when a complete repetition occurs
  6. Logging: Rep is recorded with timestamp and relevant metrics
  7. Display Update: Your screen shows the updated count immediately

This entire process takes milliseconds, so the displayed count updates in real-time as you perform your reps.

Note: An internet connection is currently required for the AI processing. Offline mode may be added in future updates.

The Workout Experience

Step 1: Setup Your Workout

Select or Generate Program:

  • Choose from pre-made programs based on your goals
  • Let AI generate a personalized program
  • Create your own custom workout
  • Use a previously completed workout

Review Today’s Session:

  • See which exercises are programmed
  • Check target sets and reps
  • Review weights you used last time
  • Read any notes from previous workout

Warm-Up:

  • Follow guided warm-up routine (optional)
  • Prepare your equipment
  • Get mentally focused

Step 2: Start Your First Exercise

Select Exercise:

  • The app suggests the next exercise from your program
  • Confirm the exercise you’re about to perform
  • View demonstration video if needed
  • Can also manually select a different exercise if desired

Position Your Phone:

  • Place your phone where the camera can see your full body
  • Prop it against a water bottle, wall, or use a phone stand
  • Ensure adequate lighting for the camera
  • The camera needs a clear view of you performing the exercise

Start Tracking:

  • Tap “Start Set”
  • Perform your reps with proper form
  • Watch the count update in real-time
  • Complete your set

Confirm and Log:

  • App displays detected rep count
  • Adjust manually if needed (rare)
  • Enter weight used (voice input available)
  • Add notes if desired (how it felt, any issues)

Step 3: Rest and Repeat

Automatic Rest Timer:

  • Timer starts immediately after completing a set
  • Rest period based on your program (customizable)
  • Audio and vibration alert when rest is complete
  • Can adjust or skip rest as needed

Review Your Set:

  • See how current set compares to previous workout
  • Check if you’re on track with progressive overload
  • View historical performance for this exercise

Next Set:

  • Repeat the process for remaining sets
  • Rest timer automatically starts after each set
  • Progress through all sets of the exercise

Step 4: Move Through Your Workout

Exercise Progression:

  • Complete all sets of first exercise
  • Move to next programmed exercise
  • Repeat tracking process
  • App guides you through entire session

Real-Time Analytics:

  • See total volume for the workout
  • Track workout duration
  • Compare to previous similar workouts
  • Get form feedback and technique suggestions

Flexibility:

  • Skip exercises if needed
  • Add exercises on the fly
  • Adjust weights and reps
  • Reorder exercises as necessary

Step 5: Finish and Review

Complete Workout:

  • Tap “End Workout” when finished
  • Review summary statistics
  • See personal records if you set any
  • Rate workout difficulty (optional)

Post-Workout Analytics:

  • Total volume lifted
  • Exercises performed
  • Sets and reps completed
  • Workout duration
  • Comparison to previous workouts
  • Progress toward goals

Recovery Notes:

  • Log how you feel
  • Note any soreness or issues
  • Track sleep and nutrition (if enabled)
  • Rate energy levels

Personalized Programming

Initial Assessment

When you first use Motiweights, we gather information about you:

Fitness Background:

  • Training experience (beginner, intermediate, advanced)
  • Current strength levels
  • Past injuries or limitations
  • Exercise preferences

Goals and Constraints:

  • Primary goal (strength, muscle, endurance, general fitness)
  • Available equipment (full gym, home gym, minimal equipment)
  • Time per workout (30, 45, 60+ minutes)
  • Training frequency (3, 4, 5, 6+ days per week)

Personal Information:

  • Age and gender (affects recovery needs)
  • Body weight (for bodyweight exercises and calculations)
  • Optional: body composition data

Program Generation

Based on your profile, our AI generates a customized program:

Exercise Selection:

  • Chooses exercises you can perform with available equipment
  • Balances push/pull and upper/lower movements
  • Considers your experience level and goals
  • Includes variations to prevent boredom

Sets and Reps:

  • Rep ranges aligned with your goals
  • Appropriate volume for your recovery capacity
  • Progressive overload built into the program
  • Deload weeks scheduled appropriately

Weekly Structure:

  • Training split optimized for your frequency
  • Adequate rest between similar muscle groups
  • Considers your schedule and preferences
  • Balances intensity and volume

Progression Strategy:

  • Clear metrics for when to increase weight
  • Planned progression over weeks and months
  • Periodization for long-term gains
  • Adjustments based on your actual performance

Adaptive Intelligence

Your program isn’t static—it learns and adapts:

Performance-Based Adjustments:

  • If you’re progressing faster than expected, program increases difficulty
  • If you’re struggling, program adjusts to prevent overtraining
  • Accounts for missed workouts without derailing progress
  • Recognizes when you’re ready for advanced techniques

Fatigue Management:

  • Monitors volume accumulation over weeks
  • Suggests deload weeks when needed
  • Adjusts based on reported soreness and recovery
  • Prevents overtraining syndrome

Exercise Refinement:

  • Learns which exercises you respond best to
  • Adjusts exercise selection based on your progress
  • Replaces exercises that cause discomfort
  • Increases frequency of effective movements

Progress Tracking and Analytics

Data Capture

Every workout, Motiweights captures comprehensive data:

Quantitative Metrics:

  • Exact weights used
  • Reps completed per set
  • Rest times between sets
  • Workout duration
  • Total volume (sets × reps × weight)
  • Rep tempo and speed

Qualitative Data:

  • Exercise difficulty rating (RPE)
  • Form quality notes
  • Pain or discomfort indicators
  • Energy levels
  • Overall workout rating

Context:

  • Time of day
  • Days since last similar workout
  • Sleep quality previous night (if logged)
  • Stress levels (if logged)
  • Nutrition adherence (if logged)

Progress Visualization

Transform raw data into insights through visualizations:

Strength Charts:

  • Plot estimated 1-rep max over time
  • See strength curves for each major lift
  • Identify plateaus and breakthrough periods
  • Compare current strength to past performance

Volume Trends:

  • Weekly and monthly volume totals
  • Volume distribution by muscle group
  • Identify if you’re under or overtraining
  • Optimize for muscle growth

Consistency Tracking:

  • Workout frequency over time
  • Adherence to programmed workouts
  • Longest training streaks
  • Patterns in missed workouts

Body Composition:

  • Weight trends over time
  • Progress photos with date comparisons
  • Measurements tracking
  • Visual transformation timeline

Predictive Analytics

Use your historical data to make predictions:

Performance Forecasting:

  • Estimate when you’ll hit strength milestones
  • Predict 1-rep maxes without testing
  • Project body composition changes
  • Anticipate when you’ll need deload

Optimization Suggestions:

  • Best exercises for your body
  • Optimal training frequency
  • Ideal rep ranges for your goals
  • Recovery time needed between sessions

Weak Point Identification:

  • Exercises lagging behind
  • Muscle groups needing more attention
  • Imbalances to address
  • Technique issues to focus on

Privacy and Security

Privacy-First Design

Privacy is built into our design:

How We Protect Your Privacy:

  • Video is processed in real-time only for pose tracking
  • No video recordings are saved or stored
  • Only rep counts and movement metrics are logged
  • Your workout data stays private

What Stays Private:

  • Live camera feed (not recorded)
  • Real-time pose analysis
  • Personal settings and preferences

What Gets Synced:

  • Workout data (exercises, weights, reps)
  • Progress photos you choose to upload
  • Analytics results
  • Program information

You’re never recorded during workouts - we only analyze your movement patterns to count reps.

Data Security

Your data is protected:

Encryption:

  • All data encrypted in transit (TLS 1.3)
  • Data encrypted at rest in databases
  • Secure authentication (OAuth 2.0)
  • No plain-text storage of sensitive information

Access Control:

  • Only you can access your full data
  • Aggregated, anonymous data used for AI improvements
  • You control what (if anything) is shared publicly
  • Complete data export and deletion available

Compliance:

  • GDPR compliant
  • CCPA compliant
  • Regular security audits
  • Industry-standard security practices

Integration with Your Fitness Ecosystem

Health Apps

Motiweights plays well with other health apps:

Apple Health Integration:

  • Export workouts to Health app
  • Share calories burned
  • Contribute to activity rings
  • Sync weight and body measurements

Google Fit Integration:

  • Log strength training sessions
  • Track overall activity
  • Sync health metrics
  • Centralize fitness data

Wearables

Enhanced experience with smartwatches:

Apple Watch:

  • Control workouts from your wrist
  • View current exercise and reps
  • Get haptic alerts for rest timers
  • Quick access to workout history

Wear OS:

  • Start and stop sets
  • View workout progress
  • Timer controls
  • Heart rate monitoring

Third-Party Apps

Connect with services you already use:

MyFitnessPal:

  • Track nutrition alongside training
  • Sync calorie expenditure
  • Comprehensive diet and exercise tracking

Strava:

  • Share workout summaries
  • Connect with athletic community
  • Cross-training visibility

Future Integrations:

  • More apps and services coming
  • Request integrations you’d like to see

Getting Started is Easy

Ready to experience AI-powered strength training?

  1. Download the app: Available for iOS, Android, and web
  2. Complete quick setup: 2-minute onboarding process
  3. Get your personalized program: AI generates your first workout plan
  4. Start your first workout: Follow the guided experience
  5. See the magic: Watch automatic rep counting in action

No complicated setup, no expensive hardware, no learning curve. Just download and start training smarter.

Download Motiweights and join our beta:

View Features | Read FAQs

Questions about how it works? Contact us — we’re happy to explain in more detail!

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