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Tibialis Posterior with ball

The Tibialis Posterior with Ball is a seated foot exercise that builds ankle strength and control using gentle inward pressure.

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Tibialis Posterior with ball
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Tibialis Posterior with ball

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The Tibialis Posterior with Ball is a low-load isolation exercise performed seated, using a small ball under the foot to create controlled inward pressure. The setup limits movement to the ankle joint, allowing precise focus on the tibialis posterior — a deep calf muscle critical for arch support and foot stability. Targeted strengthening of this muscle improves foot alignment and has been shown to reduce associated postural imbalances (Alam et al., 2019).

You should feel the work along the inside of the ankle and lower leg as you press the foot into the ball. The movement is subtle and slow, with emphasis on maintaining steady pressure while avoiding unnecessary motion from the knee or hips. For individuals dealing with posterior tibial tendon dysfunction, exercises like this one combined with manual therapy techniques form the foundation of effective rehabilitation (Patla et al., 2015).

This exercise fits well into warm-ups, rehab sessions, or accessory work for runners and strength athletes. It is especially useful for addressing ankle stability or balance limitations. Different self-stretching and loading techniques produce varying immediate effects on lower-leg tissue stiffness (Saeki et al., 2025), so pairing this strengthening drill with appropriate calf stretches can further improve ankle mobility. Adjust difficulty by changing ball size, firmness, or hold duration.

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Technique and form

How to perform the Tibialis Posterior with ball

  1. Sit on a chair with your feet flat on the floor and position a small, firm ball under your mid-foot or arch area.
  2. Maintain an upright posture with your spine neutral and shoulders relaxed, placing your hands on your thighs for support.
  3. Press the inside edge of your foot down into the ball while keeping your heel and the ball of your foot in contact with the ground.
  4. Breathe normally as you apply pressure, focusing on activating the tibialis posterior muscle that runs along the inside of your lower leg.
  5. Hold the contracted position for 2-3 seconds while maintaining tension through the arch of your foot.
  6. Slowly release the pressure, returning to the starting position while maintaining control throughout the movement.
  7. Repeat for the prescribed number of repetitions before switching to the other foot, ensuring equal work on both sides.
  8. As you progress, increase the duration of the contraction or the firmness of the ball to add resistance.

Important information

  • Keep your toes relaxed and avoid curling them during the exercise, as this may recruit other foot muscles instead of targeting the tibialis posterior.
  • Make sure your knee stays aligned with your foot throughout the movement to prevent unnecessary stress on the knee joint.
  • If you experience any sharp pain (rather than the normal feeling of muscle work), stop immediately and reassess your technique or consult with a professional.
  • For better results, perform this exercise barefoot to maximize proprioception and muscle activation in the foot.
Tibialis Posterior with ball — Step 1
Tibialis Posterior with ball — Step 2

Common Mistakes: Tibialis Posterior with ball

Moving too fast

Slow, deliberate movements are key. Spend at least 30–60 seconds on each area to allow the tissue time to respond and release.

Skipping over sore spots

Tender areas indicate tight tissue. Pause on those spots and hold gentle pressure for 20–30 seconds until the sensation eases.

Pressing directly on joints or bones

Only apply pressure to the muscle belly. Avoid pressing on joints, the spine, or bony areas — this can cause pain or injury.

Holding your breath

Keep breathing slowly and evenly. Holding your breath causes tension that prevents the muscle from releasing properly.

Pressing too hard too soon

Start with light pressure and increase gradually as the tissue loosens up. Aggressive pressure can bruise the muscle or worsen soreness.

Benefits of the Tibialis Posterior with ball

Targets deep muscle tissue

The Tibialis Posterior with ball uses a ball to apply focused pressure to the calves, reaching deeper layers of tissue that a foam roller cannot always access.

Releases muscle knots and trigger points

Direct pressure from the ball breaks up adhesions in the calves, reducing chronic tightness and improving tissue quality.

Improves recovery

Rolling the calves increases local blood flow, helping flush out metabolic waste and speed up muscle recovery after training.

Enhances mobility

Regular ball rolling on the calves improves tissue extensibility and range of motion, directly benefiting your performance in the gym.

Easy to add to any routine

The Tibialis Posterior with ball requires minimal space and a small piece of equipment, making it easy to include in your warm-up, cool-down, or on rest days.

Muscles Worked: Tibialis Posterior with ball

The Tibialis Posterior with ball is a targeted self-myofascial release technique that focuses on the calves. Here is how the tissue responds.

Primary target

Calves — The ball applies focused pressure to the calves, releasing fascial restrictions and trigger points that cause tightness and limited movement.

The Tibialis Posterior with ball targets the calves to restore tissue quality and reduce muscular restriction.

Risk Areas

Calves
Muscles worked during the Tibialis Posterior with ball

FAQ - Tibialis Posterior with ball

What muscles does the Tibialis Posterior with ball exercise target?

This exercise primarily targets the tibialis posterior muscle, which runs along the inner portion of your lower leg behind the shin bone. It also engages other deep calf muscles and helps activate the intrinsic foot muscles that support your arch.

How often should I perform this exercise?

Aim to incorporate this exercise 2-3 times per week, either as part of your warm-up routine or as a standalone recovery session. For maintenance, 2-3 sets of 30-60 seconds per leg is typically sufficient.

Is this exercise suitable for someone with plantar fasciitis?

Yes, when performed correctly, this exercise can actually help alleviate plantar fasciitis by strengthening the muscles that support your foot arch. Start gently with light pressure and shorter durations, increasing gradually as comfort allows.

What size and type of ball works best for this exercise?

A small therapy ball or lacrosse ball (2-3 inches in diameter) works best. The ball should be firm enough to apply pressure but have some give to avoid discomfort. Softer balls are recommended for beginners, while firmer options provide more intense release.

What are common mistakes to avoid when performing this exercise?

The most common mistakes include rushing through the movement, using momentum instead of controlled motion, and forcing rotation beyond your comfortable range. Keep the movement slow and deliberate, breathe throughout the exercise, and never push through sharp or shooting pain.

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