FCA (Free Carrier) and Ex Works are commercial terms used internationally. FCA and Ex Works are terms that are part of Incoterms or the International Commercial terms. The International Chamber of Commerce has dictated these terms.There is only a slight difference between the two terms.CA (Free Carrier) and Ex Works are commercial terms used internationally. FCA and Ex Works are terms that are part of Incoterms or the International Commercial terms. The International Chamber of Commerce has dictated these terms.
With the pressure created by your own body weight, you can use a foam roller on the back, hips, legs, arms, and other parts of the body, to release muscle knots. It can also be used to increase balance and core stability. Foam rollers differ in size, shape, foam type, and cost.
1 Start by using it on muscles for 30 seconds and slowly increase time to 3 minutes or more.  If a muscle is very painful when it is pressed with a foam roller, it indicates a high amount of muscle tension. You should aim to use the foam roller more often to release the tension and reduce pain.