A resistance band stores energy as it stretches. Before the first repetition, look at where that energy could go if your grip slipped or an attachment came loose. This is why checking the setup matters even with a band that feels easy to pull.
Lay the band out without tension. Inspect its length, edges and connection points for cuts, cracking, abrasion or other damage. Pay particular attention to sections that have passed through an anchor or handle. Do not test a suspicious patch by pulling it harder. Follow the manufacturer's replacement instructions and retire damaged equipment.
A band can also be the wrong type for the exercise while appearing to be in good condition. A short fabric loop, a long flat strip and a tube with attached handles are not interchangeable. Read the instructions for the actual product, including permitted stretching, attachments and any recommendation for eye protection. Color alone cannot tell you whether two different products offer the same resistance.
Trace the whole route
Follow the band from one end to the other. Check that it is not rubbing against an exposed edge, crossing a sharp fastener or caught beneath furniture. If an anchor is involved, inspect that as a separate piece of equipment. A sound band does not make an unsuitable anchor safe.
Place your body where the exercise instructions require, with enough clear space to complete the movement and return. Avoid arrangements that aim a stretched band toward your face. Keep other people and pets out of its path. If the room cannot provide a clear line, choose another exercise rather than bending the setup around an obstacle.
Bring tension on gradually and make a few easy movements. Watch for slipping, unexpected changes in length or movement at the attachment. Stop and unload the band if anything shifts. Starting gently gives you a chance to notice a problem; it is not a substitute for correct installation.
When you finish a set, return toward the starting position under control. Do not let go of a handle while the band is stretched. Remove tension before adjusting your grip, checking a connection or moving an anchor.
For the next session, record the band and setup rather than only the color. The starting length and your position affect how it feels. A short note such as the product name and the exercise variation is more useful than trying to remember whether last week's band was the darker shade of blue.
