---
type: "Chapter"
knowledge_type: "chapter"
entity_type: "chapter"
id: "69c3d6c8a33ffb1e1fc93ccc"
title: "Crouch or Sitting Start"
board: "CBSE"
curriculum: "CBSE"
class: "Class 8"
subject: "Physical Education and Well Being"
book: "Khel Yatra"
chapter: "Crouch or Sitting Start"
chapter_slug: "crouch-or-sitting-start"
canonical_url: "https://www.edzy.ai/cbse-class-8-physical-education-and-well-being-khel-yatra-crouch-or-sitting-start"
markdown_url: "https://www.edzy.ai/okf/chapter/cbse-class-8-physical-education-and-well-being-khel-yatra-crouch-or-sitting-start.md"
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source_id: "69c3d6c8a33ffb1e1fc93ccc"
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source: "Edzy"
version: 1
last_updated: "2026-06-22"
---

# Crouch or Sitting Start
Crouch or Sitting Start is an essential technique for sprinting events, allowing athletes to generate maximum acceleration. This technique begins with the runners assuming the crouch start position in front of the starting blocks and involves several key phases for effective execution.

## Knowledge Snapshot
| Field | Details |
| :--- | :--- |
| Class | Class 8 |
| Subject | Physical Education and Well Being |
| Book | Khel Yatra |
| Chapter | Crouch or Sitting Start |
| Pages | 59-66 |

## Chapter Summary
### Short Summary
The Crouch or Sitting Start is vital for sprinters, focusing on techniques that optimize initial acceleration and speed upon starting.

### Detailed Summary
The chapter outlines the crouch start technique, which begins when athletes get into position at the command "On your marks." They place their stronger foot on the front block and the other foot on the rear block while maintaining proper body posture. Upon the "set" command, runners lift their rear leg and prepare for a powerful start. The explosive movement at the "go" signal is paramount for acceleration. As runners enter the acceleration phase, they must lean forward while maintaining a low body angle to maximize speed. Lastly, athletes must maintain speed through the finish phase, utilizing techniques that enhance their times and improve their performance.

## Topic-Wise Explanation
### On Your Marks Position
Runners start in a crouched position in front of the starting blocks, with specific feet placements for optimal performance.

### Set Position
Upon command, runners raise their hips while balancing their weight over the four contact points.

### Drive Phase
At "go," sprinters must push explosively against the blocks to achieve high initial velocity from a horizontal position.

### Acceleration Phase
Runners demonstrate a forward lean, maintaining low body angles until reaching the normal sprinting position.

### Finish Phase
Athletes lean slightly forward to break the tape efficiently, focusing on sustaining speed till the end.

### Block Placement and Adjustment
Proper block setup and adjustments are crucial for ensuring runner comfort and effectiveness during the start.

## Core Ideas
| Idea | Explanation |
| :--- | :--- |
| Effective Start | The proper technique ensures maximum acceleration and speed for sprinters. |

## Key Concepts
| Concept | Meaning |
| :--- | :--- |
| Crouch Start | A technique for achieving maximum acceleration in sprinting. |

## Important Points for Revision
* The crouch start begins with "On your marks," leading to proper body positioning.
* Leg angles should be about 90° for the front knee and 110° to 130° for the rear knee.
* The "go" signal requires an explosive push for acceleration.
* Maintaining a forward lean is crucial during the acceleration phase.
* The finish phase demands proper arm drive to sustain momentum.
* Techniques such as "Run Through" help maintain speed past the finish line.
* Awareness of reaction time and body positioning is essential for optimal starts.
* Teachers should observe body mechanics and limb synchronization for improvements.

## Vocabulary and Glossary
| Word / Phrase | Meaning |
| :--- | :--- |
| Crouch | A starting position for sprinting where the runner prepares for a quick start. |

## Practice Questions
### Short Answer Questions
1. What is the first command given to runners at the start?
2. How should runners position their feet on the blocks?
3. What leg angle is ideal for the front knee during the crouch start?
4. Describe the correct body posture at the "set" command.
5. What is the impact of a proper arm drive during the finish phase?

### Long Answer Questions
1. Explain the steps involved in executing a proper crouch start.
2. Discuss the significance of maintaining a forward lean during the acceleration phase.
3. How does the setup of starting blocks affect sprinting performance?

## Related Concepts
* Acceleration techniques
* Sprinting strategies

## Source Attribution
| Field | Value |
| :--- | :--- |
| Source | Edzy |
| Reference Type | examSubjectBookChapter |
| Reference ID | 69c3d6c8a33ffb1e1fc93ccc |
| Canonical URL | https://www.edzy.ai/cbse-class-8-physical-education-and-well-being-khel-yatra-crouch-or-sitting-start |
| Markdown URL | https://www.edzy.ai/okf/chapter/cbse-class-8-physical-education-and-well-being-khel-yatra-crouch-or-sitting-start.md |