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Can Your Breasts Hurt From Certain Weight Machines?

by
author image Beth Greenwood
Beth Greenwood is an RN and has been a writer since 2010. She specializes in medical and health topics, as well as career articles about health care professions. Greenwood holds an Associate of Science in nursing from Shasta College.
Can Your Breasts Hurt From Certain Weight Machines?
Some exercise machines can cause breast pain. Photo Credit Chris Clinton/Photodisc/Getty Images

Mastalgia, the medical term for breast pain, can be frightening to a woman whose first thought is that the pain may signal cancer. Luckily, breast pain is rarely related to cancer, but women who exercise regularly may have breast pain for a number of reasons. Weight machines may be a source of breast pain for some women. Consult a healthcare professional if you have chronic breast pain.

Breast Anatomy

The breast itself has no muscles; it's mostly fatty tissue surrounded by skin that lies on top of the pectoral muscles. The fatty tissue has threads of connective tissue running through it that help to support the breast. Milk glands and milk ducts comprise the remaining structures of the breast. The milk ducts drain into the nipple, which is located roughly in the middle of the breast.

Weight Machines and Pectoral Muscles

Weight machines or exercises that are designed to work the pectoral muscles can cause muscle soreness that may be felt as breast pain. The primary function of the pectoral muscles is to help the arms and shoulders move and lift, but because they lie under the breasts, a strain or soreness in these muscles can be perceived as breast pain. Chest press machines and cable crossover machines are two types of exercise machines designed to work the pectoral muscles.

Large Breasts and Jogger's Nipple

Women who have large breasts may be more prone to breast pain when they exercise because the weight of the breast pulls on the pectoral muscles and supporting tissue of the breast. Another possible source of breast pain from weight machines is a condition called “jogger’s nipple.” This condition is frequently found in runners and is caused by friction of the nipple moving against fabric, such as a bra or shirt.

Breast Movement and Speed

A research study reported in the January 2011 “Journal of Sports Sciences” found that breasts move in four different directions during exercise. Researchers commented that most sports bras aren't designed to handle that much motion. Excess breast movement could contribute to breast pain.

Sports Bras

There are several strategies that can help with breast pain from exercise. Wear a good sports bra that provides optimum support. Research reported in the June 1999 “Journal of Science and Medicine in Sport” found that the use of a sports bra during exercise was the best choice of four possible bra options. Another study in the July 2010 “Medicine and Science in Sports and Exercise” reported that for women who have large breasts, the bra should both elevate and compress the breasts.

Considerations and Warnings

Other strategies include exercising slowly to prevent excess breast motion, the use of ice applied to sore breasts after a workout and the use of over-the-counter pain medications. If your breasts become tender prior to a menstrual period, you may want to avoid using machines that work the pectoral muscles for a few days. Muscle soreness should go away after a day or so. If breast pain continues or becomes more severe, consult a healthcare professional.

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