NPTE Study Tips Open Packed Position vs Closed Packed Position Which One Is Better and Why

Oct 8, 2026 · based on the channel Typical PT

Understanding NPTE Study Tips for Open Packed Position vs Closed Packed Position

When preparing for the NPTE, recognizing the difference between open packed (loose packed) and closed packed joint positions is crucial. Open packed positions occur when a joint has the greatest available joint play, making it ideal for mobilization and assessment. Closed packed positions have maximal congruency and ligament tension, providing joint stability and limiting accessory motion. Mastering these concepts helps you quickly identify the correct answers in musculoskeletal NPTE questions.

What is an Open Packed Position and Why It Matters for the NPTE

An open packed position refers to a joint position where the articular surfaces are least congruent, and the joint capsule and ligaments are relatively slack. This position allows the greatest amount of joint play or accessory movement. For example, the resting position of the knee is about 25 degrees of flexion, which is its open packed position.

Key points about open packed positions:

1. Also called loose packed positions.
2. Ligaments and capsule are relaxed, allowing more joint play.
3. Commonly used during joint mobilizations and assessments.
4. Helps in identifying joint dysfunction in NPTE questions.

Recognizing open packed positions will help you answer questions related to joint mobility and therapeutic techniques on the NPTE.

Video: NPTE Study Tips | Open vs Closed Packed Positions

Closed Packed Position Explained and Its Role in the NPTE

Closed packed positions are characterized by maximal congruency between joint surfaces, with the ligaments and joint capsule taut, providing maximum stability. In the closed packed position, accessory movements such as joint play are minimal or nonexistent. For example, full knee extension with external rotation is the closed packed position for the knee.

Key features of closed packed positions:

1. Maximum joint surface contact and congruency.
2. Ligaments and capsule are tight and stable.
3. Minimal accessory or joint play movement.
4. Often the position of maximal joint stability.

Understanding closed packed positions is essential for answering NPTE questions focused on joint stability, injury mechanisms, and orthopedic assessments.

Distinguishing Open Packed vs Closed Packed Positions for Efficient NPTE Study

To excel in NPTE musculoskeletal questions, quickly distinguishing between open and closed packed positions is vital. Here are practical tips:

1. Identify the joint and its resting position: Open packed is typically the resting or loose position.
2. Consider ligament tension: Closed packed means ligaments are taut.
3. Recall joint stability requirements: Closed packed = more stable; open packed = more mobile.
4. Look for keywords in questions: Terms like “maximal tension,” “joint play,” or “loose” hint at either position.

By memorizing common open and closed packed positions for major joints (shoulder, elbow, knee, hip), you can quickly apply this knowledge to NPTE-style questions.

Applying Joint Position Concepts to NPTE Musculoskeletal Questions

Musculoskeletal questions on the NPTE often test your knowledge of joint positions related to injury, treatment, and assessment. Examples include:

• Determining the best position for joint mobilization (usually open packed).
• Identifying joint positions that predispose to injury (often closed packed under excessive load).
• Understanding diagnostic positioning for special tests.

For instance, a question may ask where the joint capsule is most relaxed to perform mobilization; the answer is the open packed position. Conversely, questions about joint stability during weight bearing often relate to the closed packed position.

NPTE Test-Taking Strategies for Open and Closed Packed Position Questions

To maximize your NPTE score on these topics:

• Memorize the open and closed packed positions for all major joints.
• Practice with sample musculoskeletal questions focusing on joint positions.
• Use elimination strategies by assessing which position allows joint play (open) vs stability (closed).
• Familiarize yourself with terminology such as “loose packed,” “resting position,” and “maximal congruency.”

Regular review of these concepts, as emphasized by the Typical PT channel, will sharpen your ability to interpret exam questions efficiently.

Conclusion

In NPTE musculoskeletal preparation, understanding the differences between open packed and closed packed joint positions is indispensable. Open packed positions allow maximal joint play and are crucial for mobilization techniques, while closed packed positions provide maximum stability through tight ligaments and joint congruency. Recognizing and applying these concepts improves your ability to answer orthopedic and musculoskeletal questions accurately. The Typical PT channel provides excellent study tips and explanations to reinforce these fundamentals for your NPTE success.

Source: NPTE Study Tips | Open vs Closed Packed Positions · Markdown version