What Are the Best NPTE Study Tips for Understanding Open Versus Closed Packed Positions
· based on the channel Typical PT

Video: NPTE Study Tips | Open vs Closed Packed Positions
Understanding Open Packed and Closed Packed Positions for NPTE Success
NPTE study tips focusing on open versus closed packed positions are essential for mastering musculoskeletal exam questions. Open packed positions, also known as loose packed positions, describe joint postures where ligaments and capsule are lax, allowing the greatest available joint play. Conversely, closed packed positions represent the joint alignment where articular surfaces are maximally congruent, ligaments are taut, and joint stability is at its highest.
Grasping these concepts helps candidates quickly identify correct answers in NPTE-style questions that test orthopedic knowledge and joint mechanics.
What Defines Open Packed Positions
An open packed position occurs when a joint is positioned so that the capsule and supporting ligaments are relaxed, providing maximal joint play or accessory movement. This position is clinically significant because it allows easier assessment of joint mobility and is commonly used during joint mobilizations.
Key characteristics of open packed positions include:
- Ligaments and joint capsule are slack.
- Maximum joint surface separation allows increased accessory movements.
- Typically the resting position of the joint.
- Used for joint mobilizations and manipulation techniques.
Examples:
- Glenohumeral joint: 55° abduction, 30° horizontal adduction.
- Knee joint: 25° flexion.
What Defines Closed Packed Positions
Closed packed position is the joint alignment where articular surfaces fit most tightly. In this position, ligaments and capsule are maximally taut, providing maximal stability but minimal accessory movement.
Important features include:
- Maximum joint congruency.
- Ligaments and capsule at maximal tension.
- Joint is most stable and resistant to distraction.
- Minimal joint play is available.
Examples:
- Glenohumeral joint: full abduction and external rotation.
- Knee joint: full extension.
Why Distinguishing Open vs Closed Packed Positions Matters for the NPTE
NPTE musculoskeletal questions often test knowledge of joint mechanics, stability, and clinical application of joint positions. Understanding when a joint is in an open packed versus closed packed position helps in:
- Selecting correct answers regarding joint assessment techniques.
- Determining the best joint position for mobilizations or stability testing.
- Identifying ligament stress and injury mechanisms.
Recognizing terminology such as "loose packed," "resting position," or "maximum congruency" in question stems can be a key test-taking strategy.
Applying Open and Closed Packed Concepts to NPTE Exam Questions
When tackling NPTE orthopedic questions, consider these steps:
- Identify the joint involved.
- Recall the open and closed packed positions for that joint.
- Analyze the question context—does it pertain to stability, mobility, or injury?
- Choose the position that aligns with the clinical or biomechanical principle asked.
For example, if a question asks about the position where a ligament is most taut or where the joint is least mobile, the closed packed position is the correct focus.
Additional NPTE Study Tips for Open vs Closed Packed Positions
- Memorize common open and closed packed positions for major joints.
- Practice with musculoskeletal flashcards and NPTE-style questions.
- Visualize the joint positions and ligament tension during study sessions.
- Use resources like Typical PT’s free materials to reinforce concepts.
Summary
Mastering open and closed packed joint positions is a critical NPTE study tip for the musculoskeletal section. Open packed positions allow maximal joint play and are used for joint mobilizations, while closed packed positions provide maximal stability with taut ligaments and minimal movement. Recognizing these positions helps you answer orthopedic questions accurately and efficiently. The Typical PT channel offers excellent guidance to solidify your understanding and boost your NPTE exam readiness.
Key takeaways
- Open packed (loose packed) position allows maximal joint play and minimal ligament tension
- Closed packed position features maximal joint congruency and ligament tightness
- Recognizing these positions is crucial for answering NPTE musculoskeletal questions
- Open packed positions are often used in joint mobilizations and assessments
- Closed packed positions provide maximum joint stability and resistance to distraction
Source: NPTE Study Tips | Open vs Closed Packed Positions · Markdown version
Questions & answers
What is an open packed position in physical therapy?
An open packed position, also called a loose packed position, is when a joint's capsule and ligaments are relaxed, allowing maximal accessory joint play. It is typically the resting position and is used during joint mobilizations.
Why is the closed packed position important for the NPTE exam?
The closed packed position is important because it represents the position of maximal joint congruency and ligament tension, providing stability. NPTE questions often test recognition of this position in relation to injury mechanisms and joint assessment.
How can I remember open versus closed packed positions for NPTE studying?
Memorize key joint positions for both states, use flashcards, and associate open packed with mobility (resting, loose) and closed packed with stability (tight, congruent). Visualizing joint mechanics also helps reinforce these concepts.
Can open and closed packed positions affect treatment choices in physical therapy?
Yes, open packed positions are often used for joint mobilizations to increase joint play, while closed packed positions provide joint stability and are less suitable for mobilization but important for assessing ligament stress.