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.

🦵 Wall Slides (Knee Flexion)

The Wall Slides (Knee Flexion) is a beginner knee exercise that targets the hamstrings and calves. Use gravity and the wall to gently increase knee flexion range of motion. It's commonly prescribed during rehabilitation for ACL Reconstruction and Total Knee Replacement. Below is how to perform the Wall Slides (Knee Flexion) with correct form, plus the benefits, common mistakes, and how many reps to aim for.

KneeBeginnerWall3 × 12

Benefits of the Wall Slides (Knee Flexion)

Strengthens and activates the hamstrings and calves
Improves mobility
Improves flexibility
Supports recovery and rehab for ACL Reconstruction and Total Knee Replacement
Can be done with simple equipment (wall)
Performed supine, so it's easy to set up

How to do the Wall Slides (Knee Flexion)

Lie on your back perpendicular to a wall
Place both feet flat on the wall, hips and knees bent ~90°
Let your foot slowly slide down the wall, bending your knee further
Hold the deepest comfortable position for 5 seconds
Slide your foot back up the wall

How many reps & sets

A common starting point is 3 sets of 12 reps. Progress gradually and stop if you feel sharp pain.

Form tips

Use gravity, don't force the bend
Progress range gradually

Muscles worked

Hamstrings, Calves

When to be cautious

Acute meniscus pain

Who should do the Wall Slides (Knee Flexion)?

The Wall Slides (Knee Flexion) is often included in programs for people recovering from ACL Reconstruction and Total Knee Replacement, and for anyone wanting to strengthen the knee. It's rated beginner.

Wall Slides (Knee Flexion) — FAQ

What muscles does the Wall Slides (Knee Flexion) work?

The Wall Slides (Knee Flexion) primarily targets the hamstrings and calves.

How many sets and reps of the Wall Slides (Knee Flexion) should I do?

A common starting point is 3 sets of 12 reps. Progress gradually and stop if you feel sharp pain.

Is the Wall Slides (Knee Flexion) good for ACL Reconstruction?

Yes — the Wall Slides (Knee Flexion) is commonly used in rehab for ACL Reconstruction and Total Knee Replacement. Confirm with your clinician before starting, especially if you have pain.

Do I need equipment for the Wall Slides (Knee Flexion)?

You'll need: wall.

When should I avoid the Wall Slides (Knee Flexion)?

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

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Related Knee exercises

Quad Sets Straight Leg Raise Straight Leg Raise with Ankle Weight Heel Slides Wall Sits Mini Squats (45°)