+Donna Martin
Nov 072012

What symptoms and pain are associated with the peroneus tertius muscle?

Pain Pattern Peroneus Tertius

Pain in the low leg, ankle, heel, foot, and weak ankles can be signs of peroneus tertius muscle dysfunction.

  • Pain at the bottom of the front of the lower leg toward the outside ankle going down into the foot
  • Pain on the outside of the heel
  • Weak ankles

Where is the peroneus tertius muscle?

The peroneus tertius muscle attaches half way down the small bone of the lower leg (fibula) going down the leg passing in front of the outer anklebone (lateral malleolus) and connects to the top bones of the foot (metatarsals) that extend into the 4th and 5th toes.

What movements does the peroneus tertius muscle control?

  • Raises the front of the foot
  • Turns the sole of the foot out

Activities that cause peroneus tertius pain and symptoms:

  • Twisting the ankle
  • Immobilization of the leg and foot in a cast or brace
  • Crossing legs when seated
  • Tight elastic bands around the leg
  • High heels

Interesting facts about the peroneus tertius muscle:

The peroneus tertius muscle is found on the outside of the lower leg.

You use the peroneus tertius when you turn the sole of your foot toward the outside and bend your foot up toward your body.

Pain and ankle weakness felt in every step at the front of the leg where the leg goes into the foot  is a prime indicator of trigger points in the peroneus tertius muscle.

Clinical diagnoses to which this muscle symptoms may contribute:

Peroneal Nerve Entrapment Syndromes, Diabetic neuropathy, Morton foot structure, Lateral Compartment Syndrome, Ankle Sprain/Strain Syndrome, Osteoarthritis, Rheumatoid Arthritis, Gout, Bursitis, Plantar fasciitis, Achilles tendon rupture or tear

Other muscles that should be considered and examined in conjunction with the peroneus tertius:

Help with Peroneus Tertius Pain

Sombra Warm Therapy Gel provides pain relief.

Warm Therapy Gel For Ankle and Heel Pain

Sombra Warm Therapy Pain Relieving Gel is a pain relieving gel that I use both personally and in my massage therapy practice. It provides warmth without burning heat and is great for relieving pain.  Applying Sombra to the muscles on the back of the leg, and down the side to and around the ankle can help reduce pain and tightness caused by the peroneus tertius muscle.  I recommend Sombra for chronic pain and pain from arthritis. If you have sprained or strained the ankle, I recommend Biofreeze below.

Cold Therapy Gel For Ankle and Heel Injury

Biofreeze is recommended for recent muscle injury

Biofreeze Pain Relieving Gel is an excellent pain relieving gel and I recommend it for those who have sudden onset muscle pain or recent injuries.  It is better to use than warm therapy gels and creams for muscle pain caused by inflammation as it cools the area much like ice. A recent study showed that Biofreeze decreased pain 2 times more than ice and the pain relief lasts 9 – 10 longer. If  your pain is from a recent injury I would recommend Biofreeze. This is excellent to use on sprain and strained ankles.

Cold and Hot Wrap For Ankle, Heel and Foot Pain

Foot & Ankle Ice Wrap & Hot Wrap by ActiveWrap
The Foot & Ankle Ice Wrap & Hot Wrap by ActiveWrap is a foot, ankle and foot wrap that can be heated for warm therapy or kept in the freezer for cold therapy. This is a wrap that I recommend  that everyone have on hand for quick application for a sprained ankle. Runners and athletes who are prone to ankle injuries should always have a cold wrap at the ready.  For old injuries and stiff ankles this wrap works well when heated to help relieve muscle and joint pain and stiffness. Purchase information: Foot & Ankle Ice Wrap & Hot Wrap by ActiveWrap


Support Brace For Ankle Injury and Pain

Back on Track Therapeutic Ankle Brace is a lightweight ankle brace that I use and recommend to friends and clients. It provides light support but what I like is that it provides warmth, soothing muscles and reducing stiffness. I recommend this brace for people who have chronic pain, weak ankles, and as a light support after an ankle injury. Can be worn with most shoes and works well with boots. Purchase Information: Back on Track Therapeutic Ankle Brace

ASO Ankle Brace

ASO Stabilizing Ankle Brace is a  support for ankles that is recommended by doctors, physical therapists, and athletic trainers. The brace is adjustable to not only provide support but also comfort.  I like this support for peroneus tertius muscle problems because it not only supports the ankle, but also provides support for the heel and arch.  This is great for those who suffer with weak ankles and to provide support for ankle strain and sprains.

Self Treatment Technique For Lower Leg, Ankle and Heel Pain

The Trigger Point Workbook can help you resolve muscle pain throughout your body.

Do you know that small knots in the peroneus tertius muscle can contribute to weak buckling painful ankles?

If you have any of these symptoms  I  recommend that you purchase Claire Davies  The Trigger Point Therapy Workbook: Your Self-Treatment Guide for Pain Relief. Mr. Davies explain the trigger point phenomenon and muscle pain in everyday language.  But what makes this book worth its weight in gold are the individual muscle trigger point treatments that Davies has compiled.His diagrams and step by step instructions help you locate which muscles are contributing to your pain,  how to find the trigger point and treat it. He also provides stretching and strengthening exercises for each muscle.  It takes time and practice to master finding trigger points, but once you learn you have a tool and method to help relieve muscle pain throughout the body.  If you have unresolved ankle pain, weak buckling ankles and heel pain you may want to learn about the trigger point in the peroneus tertius muscle which may help you resolve your pain issues. This book is a must have for anyone interested in finding the cause and treating muscle pain.

Anatomy Study: Origin, Insertion, Action and Innervation of the Peroneus Tertius Muscle

Origin: Distal third or more of the anterior surface of the fibula, the adjoining anterior surface of the interosseous membrane and the anterior intermuscular septum
Insertion: Inserts into the medial part of the dorsal surface of the base of the fifth metatarsal and usually sends an expansion  along the medial border of the shaft the metatarsal
Action: Assists with dorsiflexion of the foot at the ankle
Innervation: Deep Peroneal (L5, S1)

Primary Actions: Peroneus Tertius

1. The Peroneus Tertius does not have any primary actions.

Secondary Actions:

1. Assists with dorsiflexion of the foot at the ankle

  • Agonists: Tibialis Anterior
  • Antagonists: Gastrocnemius, Soleus

Satellite Trigger Points: Peroneus Longus, Peroneus Brevis, Extensor Digitorum Longus, Tibialis Anterior, Tibialis Posterior, Extensor Hallucis Longus, Flexor Hallucis Longus, Anterior Gluteus Minimus

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