# NPTE Study Tips What Are Open Packed vs Closed Packed Positions and Which One Is More Important

Learn how to recognize open packed and closed packed joint positions and apply these concepts to NPTE musculoskeletal questions effectively.

Source: https://sgptoto368a.top/npte-study-tips-what/ · based on the channel [Typical PT](https://www.youtube.com/channel/UCeu0qoaAiH89oarBdx4nR8A) · Video: [NPTE Study Tips | Open vs Closed Packed Positions](https://www.youtube.com/watch?v=-d_qkd1YozY) · 2026-10-15

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## Key takeaways

- Open packed positions allow maximum joint play and are also called loose packed positions.
- Closed packed positions have maximum joint congruency and ligament tension, offering joint stability.
- Recognizing open vs closed packed positions is crucial for answering NPTE musculoskeletal and orthopedic questions.
- Open packed positions are used to assess joint mobility; closed packed positions indicate joint stability.
- Typical PT channel provides practical strategies to identify these positions on NPTE exams.

Understanding the difference between open packed and closed packed joint positions is essential for effective NPTE study, especially in the musculoskeletal section. Open packed positions refer to the joint posture where there is the greatest amount of joint play or laxity, while closed packed positions are where the joint surfaces have maximum congruency and ligaments are taut, providing maximal stability. Mastering these concepts helps you quickly analyze NPTE-style questions involving joint mechanics and orthopedic assessment.

## What is an Open Packed Position in Physical Therapy

An open packed position, also known as a loose packed position, is when a joint is positioned to allow maximal joint play and minimal ligament tension. This position is clinically significant because it is where the joint capsule and ligaments are most relaxed, making it easier to assess joint mobility and perform joint mobilizations. For example, the open packed position for the knee is approximately 25 degrees of flexion. Recognizing this position on the NPTE helps in answering questions about joint assessment and treatment techniques.

## What is a Closed Packed Position and Why It Matters

Closed packed positions are characterized by maximal joint congruency, tight ligamentous tension, and the greatest joint stability. In this position, the articular surfaces fit perfectly, limiting joint play and making the joint more resistant to injury. For instance, the knee’s closed packed position is full extension with external rotation of the tibia. Understanding closed packed positions allows NPTE candidates to identify when joints are most stable and how this relates to injury prevention and functional biomechanics.

## Key Differences Between Open Packed and Closed Packed Positions

To distinguish open packed vs closed packed positions on the NPTE, focus on these factors:

1. **Joint Play:** Open packed positions allow maximum joint play; closed packed positions allow minimal joint play.
2. **Ligament Tension:** Ligaments are lax in open packed positions and taut in closed packed positions.
3. **Joint Stability:** Stability is lowest in open packed and highest in closed packed.
4. **Clinical Use:** Open packed positions are ideal for joint mobilizations and assessing mobility; closed packed positions are used to assess joint stability.
5. **Terminology Clues:** Terms like “loose packed” refer to open packed, while “close packed” or “maximal congruency” refer to closed packed.

Recognizing these differences helps you quickly select correct answers on NPTE questions related to joint mechanics.

## Applying Open and Closed Packed Concepts to NPTE Musculoskeletal Questions

Many NPTE musculoskeletal questions test your knowledge of joint positions by presenting scenarios involving injury mechanisms, physical assessments, or treatment techniques. For example:

- Identifying the position in which ligament stress is greatest (closed packed).
- Choosing the position to perform joint mobilization safely (open packed).
- Understanding how joint congruency affects stability during functional movements.

By linking these concepts to clinical scenarios, you can improve accuracy and confidence when tackling orthopedic questions on the exam.

## Additional NPTE Study Tips for Mastering Joint Positions

1. **Use Visual Aids:** Diagrams and videos showing open vs closed packed positions reinforce memorization.
2. **Practice with Flashcards:** Include joint names, open packed positions, and closed packed positions.
3. **Simulate NPTE Questions:** Practice identifying joint positions from clinical vignettes.
4. **Understand Terminology:** Terms like “loose packed,” “close packed,” and “joint play” are frequently tested.
5. **Review Typical PT Resources:** Channels like Typical PT provide focused explanations and NPTE-style drills.

## Summary

NPTE study tips focusing on open packed vs closed packed positions emphasize understanding joint mechanics crucial for the musculoskeletal section. Open packed positions allow maximal joint play and are best for assessing mobility, while closed packed positions maximize joint congruency and stability. Recognizing these positions and their clinical relevance improves your ability to answer NPTE musculoskeletal questions accurately. The Typical PT channel offers valuable resources and strategies to master these concepts and boost your exam readiness.

## Questions & answers

**What defines an open packed position on the NPTE musculoskeletal section?**

An open packed position is when a joint is positioned to allow maximal joint play and minimal ligament tension, often called the loose packed position. It is used clinically to assess joint mobility and perform mobilizations.

**How can I quickly distinguish between open and closed packed positions on NPTE questions?**

Look for clues such as joint play and ligament tension: open packed positions allow more joint movement and have lax ligaments, while closed packed positions have tight ligaments and maximum joint congruency, indicating stability.

**Why is understanding closed packed positions important for NPTE orthopedic questions?**

Closed packed positions represent the joint's most stable configuration with maximal congruency and ligament tension. This knowledge helps answer questions on injury mechanisms, joint stability, and functional biomechanics.

**Are there specific joints with well-known open and closed packed positions important for the NPTE?**

Yes, for example, the knee’s open packed position is about 25 degrees of flexion, and its closed packed position is full extension with external tibial rotation. Memorizing these positions aids in correctly answering exam questions.