A deep cut on the palm side of your fingers, hand, wrist, or forearm can damage your flexor tendons, which are the tissues that help control movement in your hand. A flexor tendon injury can make it impossible to bend your fingers or thumb.Anatomy. Tendons are tissues that connect muscles to bone.escription. A torn or cut tendon in the forearm, at the wrist, in the palm, or along the finger will make it impossible to bend one or more joints in a finger. Because flexor tendons are very close to the surface of the skin, a deep cut will most likely hit a flexor tendon.
What Is It? A friction blister is a soft pocket of raised skin filled with clear fluid caused by irritation from continuous rubbing or pressure. Friction blisters usually occur on the feet, where tight or poor-fitting shoes can rub and irritate delicate toes and heels for long periods of time. This type of irritation causes minor damage to the skin and the tissue just beneath the skin, then fluid accumulates just beneath the outermost layer of skin.
Your doctor will examine your heel, looking and feeling for signs of tenderness and swelling. You may be asked to walk, stand on one foot or do other physical tests that help your doctor pinpoint the cause of your sore heel. Conditions that cause heel pain generally fall into two main categories: pain beneath the heel and pain behind the heel. Pain Beneath the Heel If it hurts under your heel, you may have one or more conditions that inflame the tissues on the bottom of your foot: 1  Stone bruise: When you step on a hard object such as a rock or stone, you can bruise the fat pad on the underside of your heel. It may or may not look discolored. The pain goes away gradually with rest.