5 Slant Board Exercises to Strengthen Knees & Ankles

If you’ve ever struggled with tight ankles, sore knees, or limited mobility, you’re not alone. These problems often come from weak stabilising muscles and poor joint range of motion. That’s where a slant board comes in — a simple but powerful piece of equipment that helps you stretch deeper, build strength, and protect your joints.

In this post, we’ll cover 5 slant board exercises you can start using today to bulletproof your knees and ankles.

1. Slant Board Squats

• How: Stand on the slant board and perform a controlled squat.

• Why: Targets quads and improves ankle dorsiflexion for better squat depth.

• Benefit: Builds knee strength while reducing pressure on the joints.

2. Poliquin Step-Ups

• How: Place one foot on the board and step up while keeping your heel elevated.

• Why: Focuses on the VMO (vastus medialis oblique) — a key knee stabiliser.

• Benefit: Great for knee rehab and patella tracking.

3. Calf Raises on Slant Board

• How: Stand with toes down, heels high, then lower slowly.

• Why: Strengthens calves while giving a deep Achilles stretch.

• Benefit: Improves explosive power and ankle mobility.

4. Split Squats (Elevated Heel)

• How: Place your front foot on the slant board, perform a split squat.

• Why: Stretches hip flexors and strengthens quads.

• Benefit: Builds single-leg strength and stability.

5. ATG Split Squat Variation

• How: Step into a deep split squat with front foot elevated on the board.

• Why: Trains strength through full range of motion.

• Benefit: Improves resilience against knee pain.

These 5 slant board exercises are a game-changer for knee and ankle strength.