The bench press is a fundamental exercise in strength training, and the grip you use can target different muscles and impact your lifting technique. Here are some common grip types for the bench press:

1. **Standard Grip (Medium Grip):** This is the most common grip where your hands are placed slightly wider than shoulder-width apart on the barbell. It engages the chest, triceps, and shoulders fairly evenly.

2. **Wide Grip:** Placing your hands wider on the barbell recruits more chest muscles (pectoralis major) and may reduce the range of motion. It can be harder on the shoulders, so proper form and shoulder mobility are crucial.

3. **Close Grip:** Bringing your hands closer together (inside shoulder-width) shifts more emphasis onto the triceps. This grip variation is often used as an accessory movement to target the triceps after the standard bench press.

4. **Reverse Grip (Underhand Grip):** This grip involves gripping the barbell with palms facing towards you. It targets the chest and triceps but may also engage the biceps to a greater extent.

5. **Thumbless Grip:** Some lifters opt to place their thumbs on the same side of the bar as their fingers. This grip variation is controversial as it might reduce stability and increase the risk of the bar slipping, potentially leading to accidents.

Your choice of grip often depends on your training goals, strengths, weaknesses, and comfort. It's also important to prioritize safety and proper form while performing any grip variation to minimize the risk of injury.

Experimenting with different grip types can help you understand how they affect muscle engagement and strength, allowing you to tailor your training to meet specific goals or address weak points in your bench press.