What Are Shin Splints?

Shin splints are a common term used to describe pain along the shin bone, also known as the tibia. The discomfort is often felt along the front or inner side of the lower leg and is commonly associated with running, jumping, walking long distances, court sports, field sports, military-style training, or sudden increases in activity.

Shin splints often develop gradually. At first, the pain may only appear at the beginning of a run or workout and ease as the body warms up. As the irritation progresses, symptoms may last longer during activity, become more noticeable afterward, or begin affecting walking and daily movement.

The shin bone and surrounding tissues must absorb force with every step. During running, the lower leg handles repetitive impact as the foot contacts the ground and force travels up through the ankle, tibia, knee, hip, and pelvis. When the lower leg is exposed to more load than it can currently tolerate, the muscles, connective tissues, and bone lining around the tibia may become irritated.

Shin splints are common in runners because each run involves thousands of repeated impacts. They can also affect athletes in soccer, basketball, volleyball, tennis, pickleball, football, track, dance, and other activities that involve repeated running, jumping, sprinting, stopping, or changing direction.

Individuals May Experience

• Pain along the front or inner shin

• Discomfort during running or activity

• Tenderness along the shin bone

• Pain that worsens with continued activity

• Tightness in the lower leg

• Shin pain at the beginning of a run

• Pain that returns after increasing mileage or intensity

• Lower leg soreness after training

• Discomfort with jumping, sprinting, or court sports

• Calf tightness or ankle stiffness

• Pain that improves with rest but returns with activity

• Reduced tolerance for running or walking long distances

• Heaviness or fatigue in the lower legs

• Tenderness when pressing along the shin

• Symptoms that gradually become more frequent if training continues unchanged

Shin pain should be assessed if it is severe, worsening, highly localized, associated with swelling, painful at rest, painful at night, or does not improve with reduced activity. These symptoms may require medical evaluation to rule out other concerns such as a stress reaction or stress fracture.

What Contributes to Shin Splints?

Several factors may contribute to shin splints, including:

• Sudden increase in activity or running volume

• Increasing running distance too quickly

• Adding hills, speed work, or sprinting too soon

• Poor footwear or worn-out shoes

• Hard running surfaces

• Tight calf muscles

• Limited ankle mobility

• Weakness in the foot, ankle, calf, hip, or core

• Poor foot mechanics

• Flat feet or excessive pronation

• High arches with poor shock absorption

• Reduced lower leg endurance

• Poor running mechanics

• Overstriding or heavy foot strike

• Inadequate recovery between training sessions

• Returning to sport or running after time off

• Repetitive jumping or change-of-direction activity

Shin splints often occur when the amount of stress placed on the lower leg exceeds the tissue’s ability to recover and adapt. This is why training load is one of the biggest factors. A sudden increase in mileage, running frequency, intensity, hills, or sport participation can overload the tibia and surrounding soft tissues.

Foot mechanics also play an important role. If the foot collapses inward excessively during impact, the muscles along the shin may work harder to control the arch and tibial rotation. If the foot is too rigid, the leg may not absorb impact efficiently. In both cases, more strain may be placed through the lower leg.

Calf tightness and ankle stiffness can also contribute. If the ankle does not move well, the shin and foot may compensate during walking or running. This can increase stress along the tibia. Weakness in the calves, foot muscles, hips, and glutes may also reduce the body’s ability to control impact and stabilize the lower limb.

Why Shin Splints Happen

Shin splints usually happen because of repetitive overload. The lower leg is exposed to repeated pulling, impact, and bending forces during running or sport. When those forces are greater than what the tissues are prepared for, irritation may develop along the tibia.

The muscles of the lower leg attach near the shin bone and help control the foot and ankle during impact. During running, these muscles work repeatedly to slow the foot, stabilize the arch, and control how the tibia moves over the foot. If these muscles become fatigued, tight, weak, or overloaded, they may place increased traction on the tissues along the shin.

At the same time, the tibia itself responds to impact forces. Bone adapts to load, but it needs gradual progression and enough recovery. If impact increases too quickly, the bone and surrounding tissues may become irritated before they have time to adapt.

This is why shin splints are often seen when someone:

• Starts running after a break

• Increases mileage too quickly

• Begins a new sport season

• Trains on harder surfaces

• Adds hill running or speed work

• Changes shoes suddenly

• Runs through early warning signs

• Does not allow enough recovery between sessions

The issue is usually not only the shin. It is often the result of how the foot, ankle, calf, knee, hip, pelvis, and training load work together.

How Physiotherapy May Help

Physiotherapy rehabilitation may focus on reducing stress through the lower leg, improving tissue capacity, correcting 

movement patterns, and guiding a gradual return to running or sport.

Treatment may include:

• Strengthening lower leg and foot muscles

• Calf strengthening and endurance training

• Intrinsic foot strengthening

• Mobility exercises for the ankle

• Calf flexibility work

• Hip and glute strengthening

• Balance and single-leg control exercises

• Running technique adjustments

• Walking or gait mechanics retraining

• Load management strategies

• Gradual return to activity

• Footwear and surface guidance

• Training schedule modification

• Return-to-running progression

• Sport-specific conditioning when appropriate

These strategies help reduce strain on the shin and improve movement efficiency.

A physiotherapy plan may begin by reducing aggravating activity enough to calm symptoms while maintaining fitness through lower-impact options when appropriate. As symptoms improve, strengthening and mobility work can help improve the lower leg’s ability to tolerate load.

Running Mechanics and Load Management

For runners, physiotherapy may include assessment of running mechanics. Small changes in form can influence how force travels through the lower leg. Running factors that may be assessed include:

• Cadence

• Stride length

• Foot strike position

• Overstriding

• Hip control

• Knee alignment

• Ankle mobility

• Foot mechanics

• Training volume and intensity

• Hill or speed work exposure

Load management is a major part of recovery. Shin splints often return when activity is increased too quickly. A structured plan may gradually rebuild running tolerance by adjusting distance, frequency, pace, terrain, and recovery days.

The goal is to help the shin tolerate impact again without repeatedly irritating the tissues.

Strength and Mobility for Shin Splints

Strengthening is important because the lower leg needs capacity to absorb repeated impact. The calf, tibialis anterior, tibialis posterior, foot muscles, hip stabilizers, and core all help control how the leg moves during running and sport.

Physiotherapy may focus on:

• Calf raises

• Soleus strengthening

• Foot arch control exercises

• Toe and foot intrinsic strengthening

• Ankle mobility drills

• Hip stability exercises

• Single-leg balance

• Step-down control

• Running-specific strength progressions

Mobility work may focus on improving ankle dorsiflexion, calf flexibility, and foot mechanics so the lower leg can move more efficiently.

Book an Assessment

If shin pain is affecting your ability to run, walk, train, play sport, or stay active, our physiotherapy team can assess contributing factors and guide appropriate care.

A comprehensive assessment can help identify whether your shin splints may be influenced by training load, running mechanics, calf tightness, ankle mobility, foot mechanics, lower leg weakness, hip control, footwear, or recovery habits.