FIXIT is an AI-powered health and fitness tracking app. Log workouts, nutrition, water, and body metrics, analyze your exercise form with AI pose detection, and visualize your progress over time — all in one place.

How does AI form analysis work?

FIXIT uses AI pose detection (TensorFlow MoveNet) to track 17 body keypoints from your camera. It analyzes joint angles, posture, and movement to score your form and flag issues like knee cave or forward lean — instant feedback, no coach required.

What can I track in FIXIT?

Workouts and exercises, food and calories, water intake, body-composition metrics (weight, body fat, InBody results), pain, and progress charts — with 100+ guided exercises.

How much does FIXIT cost?

FIXIT is free to start with core tracking. Basic is $7/month (full exercise library, unlimited sessions, progress charts) and Pro is $15/month (AI form scoring, video recording, 3D visualizations, and programs).

Is my health data private?

Yes. Your health data is stored securely and never sold. You control your account and can export or delete your data at any time.

💪 Eccentric Wrist Extension

The Eccentric Wrist Extension is an intermediate elbow exercise that targets the wrist extensors and ecrb. Slow eccentric (lowering) wrist extension — gold standard for tennis elbow. It's commonly prescribed during rehabilitation for Tennis Elbow. Below is how to perform the Eccentric Wrist Extension with correct form, plus the benefits, common mistakes, and how many reps to aim for.

ElbowIntermediateDumbbells3 × 15

Benefits of the Eccentric Wrist Extension

Strengthens and activates the wrist extensors and ecrb
Improves strength
Supports recovery and rehab for Tennis Elbow
Can be done with simple equipment (dumbbells)
Performed sitting, so it's easy to set up

How to do the Eccentric Wrist Extension

Sit with forearm resting on thigh, palm down
Hold a 1-2 lb weight
Use other hand to lift weight up (extension)
Slowly lower over 3-5 seconds (eccentric)
Reset with help, repeat

How many reps & sets

A common starting point is 3 sets of 15 reps. Progress gradually and stop if you feel sharp pain.

Form tips

Mild discomfort is okay
Slow lowering is the magic

Muscles worked

Wrist extensors, ECRB

When to be cautious

Acute severe pain

Who should do the Eccentric Wrist Extension?

The Eccentric Wrist Extension is often included in programs for people recovering from Tennis Elbow, and for anyone wanting to strengthen the elbow. It's rated intermediate.

Eccentric Wrist Extension — FAQ

What muscles does the Eccentric Wrist Extension work?

The Eccentric Wrist Extension primarily targets the wrist extensors and ecrb.

How many sets and reps of the Eccentric Wrist Extension should I do?

A common starting point is 3 sets of 15 reps. Progress gradually and stop if you feel sharp pain.

Is the Eccentric Wrist Extension good for Tennis Elbow?

Yes — the Eccentric Wrist Extension is commonly used in rehab for Tennis Elbow. Confirm with your clinician before starting, especially if you have pain.

Do I need equipment for the Eccentric Wrist Extension?

You'll need: dumbbells.

When should I avoid the Eccentric Wrist Extension?

Take care or skip it if you have: acute severe pain. When in doubt, check with your physiotherapist.

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Related Elbow exercises

Wrist Extensor Stretch