Calf Muscle Strain

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Definition

Causes

Risk Factors

Calf Muscle Strain

(Pulled Calf Muscle; Gastrocnemius Strain; Gastrocnemius Tear; Gastrocnemius Muscle Injury)

by Laurie LaRusso, MS, ELS

Definition

A calf muscle strain is a partial or complete tear of the small fibers of the muscles. The calf muscles are located in the back of your lower leg.

The Calf Muscles

Causes TOP

A calf muscle strain can be caused by:

Stretching the calf muscles beyond the amount of tension they can withstand
Suddenly putting stress on the calf muscles when they are not ready for the stress
A direct blow to the calf muscles

Risk Factors TOP

Factors that increase your chance of developing a calf muscle strain:

Participation in sports that require bursts of speed. This includes track sports like running, hurdles, or long jump. Other sports include basketball, soccer, football, or rugby.
Previous strain or injury to the area
Muscle fatigue
Tight calf muscles
Poor conditioning
Not being ready for the exercise or stress (poor conditioning)

Symptoms TOP

Symptoms may include:

Pain and tenderness in the calf
Stiffness in the calf muscles
Weakness of the calf muscles
Pain when pushing off the foot or standing on tiptoe
Bruising on the calf
Popping sensation as the muscle tears

Diagnosis TOP

You will be asked about your symptoms and how your injury occurred. An examination of your calf muscle will be done to assess the injury.

Images may be needed of the area if severe damage is suspected. Images may be taken with MRI scan or ultrasound.

Muscle strains are graded according to their severity:

Grade 1—Some stretching with micro-tearing of muscle fibers
Grade 2—Partial tearing of muscle fibers
Grade 3—Complete tearing of muscle fibers; this may also be called a rupture or avulsion

Treatment TOP

Talk with your doctor about the best treatment plan for you. Recovery time ranges depending on the grade of your injury. Treatment steps may include:

Supportive Care

Your muscle will need time to heal. A group of actions called RICE is often the main part of treatment:

Rest—Activities will need to be restricted at first. Normal activities will be reintroduced gradually.
Ice—Ice therapy may help relieve swelling. Heat or cold may be advised throughout recovery if they provide benefits.
Compression—Used for a limited time, compression bandages can provide gentle pressure to help move fluids out of the area.
Elevation—Keeping the area elevated can help fluids drain out or prevent fluids from building up.

Prescription or over-the-counter medications may be advised to reduce pain.

Physical Therapy

A physical therapist will assess the muscle. An exercise program will be created to help recovery and to stretch and strengthen the muscle.

Prevention TOP

To reduce the chance of calf muscle strain:

Keep your calf muscles strong and flexible, so they can absorb the energy of sudden physical stress
Learn the proper technique for exercise and sporting activities to decrease stress on all your muscles

RESOURCES:

American Council on Exercise
http://www.acefitness.org

Family Doctor—American Academy of Family Physicians
http://www.familydoctor.org

CANADIAN RESOURCES:

Health Canada
https://www.canada.ca

Healthy U
http://www.healthyalberta.com

References:

Armfield DR. Sports-related muscle injury in the lower extremity. Clin Sports Med. 2006;25(4):803-42.

Campbell JT. Posterior calf injury. Foot Ankle Clin. 2009 Dec;14(4):761-771.

Douis H, Gillett M, et al. Imaging in the diagnosis, prognostication, and management of lower limb muscle injury. Semin Musculoskelet Radiol. 2011 Feb;15(1):27-41.

Muscle strain (pulled muscle). Johns Hopkins Medicine website. Available at:
...(Click grey area to select URL)
Accessed February 26, 2018.

Sprains, strains, and tears. American College of Sports Medicine website. Available at:
...(Click grey area to select URL)
Published 2011. Accessed February 26, 2018.

1/4/2011 DynaMed Plus Systematic Literature Surveillance https://www.dynamed.com : Massey T, Derry S, Moore R, McQuay H. Topical NSAIDs for acute pain in adults. Cochrane Database Syst Rev. 2010;(6):CD007402.

Last reviewed March 2018 by EBSCO Medical Review Board Alan Drabkin, MD
Last Updated: 3/18/2013

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