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Shin Soreness & Shin Splints

Shin soreness and shin splints are terms used to refer to a pain in the front lower leg. This could be because of:

The muscles on the front, outer part of the leg being strained, or partly torn, by a sudden awkward movement. Technically known as medial tibial stress syndrome
A direct blow to the tibia (shin bone)
Stress fracture
Swelling of the Posterior or Anterior Tibial muscles within their containing sheath. (Compartment Syndrome)

Causes

While there are many causes of shin splints, they can all be categorized into two main groups: Overload (or training errors), and Biomechanical Inefficiencies. Weak or inhibited gluteal muscles can cause shin splints.

Overload (or training errors)

Shin splints are commonly associated with sports that require a lot of running. It is not the running itself, but the sudden shock force of repeated landings and change of direction that causes the problem. When the muscles and tendons become fatigued and overloaded, they lose their ability to absorb the damaging shock force.

Other overload causes include:

Exercising on hard surfaces, like concrete
Exercising on uneven ground
Beginning an exercise program after a long lay-off period
Increasing exercise intensity or duration too quickly
Exercising in worn out or ill fitting outdoor shoes - read more from this article
Excessive uphill or downhill running
Return following injury without adequate build up

Biomechanical Inefficiencies

The major biomechanical inefficiency contributing to shin splints is that of flat feet. Flat feet lead to a second biomechanical inefficiency called over-pronation. Pronation occurs just after the heal strikes the ground. The foot flattens out, and then continues to roll inward. Over-pronation occurs when the foot and ankle continue to roll excessively inward. This excessive inward rolling causes the tibia to twist, which in-turn, over stretches the muscles of the lower leg.

Other biomechanical causes include:

Poor running mechanics
Tight, stiff muscles in the lower leg
Running with excessive forward lean
Running with excessive backwards lean
Landing on the balls of your foot
Running with your toes pointed outwards

Strain, tear or fracture

A muscle strain or tear - you would feel the pain immediately whenever you contract or stretch the muscle
Stress fracture - requires specialist diagnosis. As the tibial tendons lie close to the shinbone it is often difficult to distinguish between posterior tibial tendon strain and a tibial stress fracture.

The two problems can also co-exist as the stress fracture is caused by excessive pull from the tendons against the bone, and tendon tightness and pain may be a protective spasm around the area of a fracture.

Compartment syndrome can be caused by a tear in the enclosed muscles, so the two problems can co-exist.

Compartment Syndrome

Muscles are enclosed by a containing sheath, which is inelastic. The muscles tend to swell due to injury, or simple overuse, so each time you use the muscles they will swell further and create extra pressure in the sheath. With compartment syndrome pain you normally only feel these pains when you have been running or walking for long enough to bring on the muscle swelling. You feel pain when exercising, but it eases quickly when you stop, and the muscle swelling reduces. The pain may be felt in the:

Posterior tibial muscle - behind the inner side of the shin mainly in its central and upper part
Anterior tibial muscle - upper outer part of the shin

Telling one from the other

A stress fracture tends to have pain that runs up and down a region of the lower leg near the tibia and if you tap the tibia, some pain may be felt. If you have numbness in the lower leg then this is generally associated with compartment syndrome.

Daniel Lawrence, in Athletics Weekly^[1], reported that the three most common causes of shin splints are Stress Fractures, Medial Tibial Traction Periostitis and Compartment Syndrome. The following table provides an overview of each condition. All of these injuries are caused by repetitive strain or overuse and are linked to common biomechanical faults of the feet with both high and low arches increasing the risk of shin pain.

Condition	Pain Location	Result of Exercise	Special Tests
Medial Tibial Traction Periostitis	Diffuse pain on the inner shin	Pain reduces during exercise	Worse in the morning
Stress Fracture	Focused pain on the inner lower third of the shin	Made worse by exercise and impact activities	Vibration Ultra Sound
Compartment Syndrome	Outer shin pain and tightness	increases after a short period of exercise	Muscle Weakness, possible altered sensation

How to Treat Shin Splints

The basic treatment for shin splints is no different to most other soft tissue injuries. Immediately following the onset of any shin pain, the R.I.C.E.R. regime should be applied. This involves Rest, Ice, Compression, Elevation, and Referral to an appropriate professional for an accurate diagnosis.

Stop the activity
Apply ice wrapped in a damp towel for 10 minutes every 2 hours
Apply a compression bandage to help minimise the swelling to the tissues
- compression is not advisable for compartment syndrome as it may increase the pressure and cause further damage
Elevate your legs to help limit blood flow and prevent use of the muscles
Rest the injured part as much as possible to allow the healing of damaged tissues
Refer to an appropriate professional for an accurate diagnosis

It is critical that the R.I.C.E. regime be implemented for at least the first 48 to 72 hours. Doing this will give you the best possible chance of a complete and full recovery.

The next phase of treatment (after the first 48 to 72 hours) involves a number of physiotherapy techniques. The application of heat and massage is one of the most effective treatments for speeding up the healing process of the muscles and tendons.

Determine if the shin splints are due to a biomechanical problem, or an overload problem and take appropriate steps to remove the cause.

The 7 Step Shin Splints Treatment System

Fixing your shin splints, and more importantly, making sure you never have a relapse is all about an integrated treatment plan that walks you step-by-step through the recovery process.

The 7 Step Shin Splints Treatment System is based on a progressive plan of rehabilitation techniques and conditioning exercises, stretches and drills to fully rehabilitate your injured legs, each step building on the previous one.

References

LAWRENCE, D. (2012) Shun Shin Problems. Athletics Weekly, 15th March 2012, p. 60

Related References

The following references provide additional information on this topic:

BREWER, R. B. and GREGORY, A. J. (2012) Chronic Lower Leg Pain in Athletes A Guide for the Differential Diagnosis, Evaluation, and Treatment. Sports Health: A Multidisciplinary Approach, 4 (2), p. 121-127
MUBARK, S. J. et al. (1982) The medial tibial stress syndrome a cause of shin splints. The American journal of sports medicine, 10 (4), p. 201-205
VTASALO, J. T. and KVIST, M. (1983) Some biomechanical aspects of the foot and ankle in athletes with and without shin splints. The American journal of sports medicine, 11 (3), p. 125-130

Page Reference

If you quote information from this page in your work, then the reference for this page is:

MACKENZIE, B. (2000) Shin Soreness and Shin Splints [WWW] Available from: https://www.brianmac.co.uk/shin.htm [Accessed

The following Sports Coach pages provide additional information on this topic: