# shoulder button

> part of a video game controller

**Wikidata**: [Q73006551](https://www.wikidata.org/wiki/Q73006551)  
**Source**: https://4ort.xyz/entity/shoulder-button

## Summary
A shoulder button is a part of a video game controller that players press to input commands or actions during gameplay. It typically sits on the top back edge of a game controller, designed for easy access without moving the thumbs from the primary control sticks.

## Key Facts
- A shoulder button is classified as a type of push-button mechanism used in gaming
- It is an instance of a video game feature
- Shoulder buttons are a subclass of both push-buttons and video game controllers
- Shoulder buttons are also known as shoulder triggers or bumpers
- They are positioned on the top back edge of game controllers for accessibility
- There exists a specific subclass called "digital shoulder button"
- Shoulder buttons represent a fundamental element of modern game controller design

## FAQs
### Q: What is the purpose of shoulder buttons on a game controller?
A: Shoulder buttons are used to input additional commands or actions in games without requiring players to move their thumbs away from the primary control sticks. They provide extra functionality beyond the basic buttons and allow for more complex control schemes.

### Q: Are shoulder buttons the same across all game controllers?
A: While the basic concept is similar, shoulder buttons vary in design and functionality across different game controllers. The specific terminology may also differ, with manufacturers using terms like "bumper" or "shoulder trigger" to describe similar components.

### Q: What are shoulder buttons also called?
A: Shoulder buttons are also referred to as shoulder triggers or bumpers, depending on the specific controller design and terminology used by the manufacturer.

## Why It Matters
Shoulder buttons represent an important evolution in gaming controller design, addressing the growing complexity of video games as they developed more sophisticated control schemes. By providing additional inputs that don't interfere with thumb-based primary controls, shoulder buttons enabled developers to create more nuanced gameplay mechanics. This ergonomic innovation has been crucial for maintaining intuitive control as games have evolved from simple 2D platformers to more complex games with multiple simultaneous actions required. The strategic placement of these buttons has become a standard in controller design that players now expect as fundamental to the gaming experience.

## Notable For
- Unique placement on the top back edge of controllers, designed for index finger control without thumb displacement
- Integration with game controller design as a standard feature in modern gaming peripherals
- Contribution to the evolution of gaming interface design by providing additional inputs while maintaining ergonomic efficiency
- Establishment of a dedicated subclass as "digital shoulder button" within gaming terminology

## Body
### Design and Functionality
Shoulder buttons are positioned on the top back edge of game controllers, designed to be pressed with the player's fingers. This placement allows players to access additional inputs while keeping their thumbs on the primary control sticks or directional pads.

### Classification and Relationships
As a subclass of push-buttons and video game controllers, shoulder buttons inherit fundamental characteristics from these parent classes while adding specialized functionality for gaming contexts. They represent an evolution of simple button mechanisms adapted for complex gaming needs.

### Terminology and Variations
Shoulder buttons have multiple names including shoulder triggers or bumpers, though they maintain the basic function across different controllers. The specific design may vary between manufacturers while maintaining the fundamental purpose of providing additional inputs.

### Visual Reference
The image at https://commons.wikimedia.org/wiki/Special:FilePath/Xbox360_controller_white_back.jpg shows shoulder buttons on an Xbox 360 controller, illustrating their typical placement and design in modern gaming controllers.