Question

Which of the following is primarily responsible for stabilizing, positioning, and bracing the pectoral girdles? (a) tendons, (b) ligaments, (c) the joint shape, (d) muscles, (e) the shape of the bones within the joint.

Name: Problem 2, Chapter 8: Fundamentals of Anatomy & Physiology
Uploaded: 2023-09-20T16:38:29-08:00
Duration: 53 s
Channel: Courtney Titus
Description: Which of the following is primarily responsible for stabilizing, positioning, and bracing the pectoral girdles? (a) tendons, (b) ligaments, (c) the joint shape, (d) muscles, (e) the shape of the bones within the joint.

   Which of the following is primarily responsible for stabilizing, positioning, and bracing the pectoral girdles? (a) tendons, (b) ligaments, (c) the joint shape, (d) muscles, (e) the shape of the bones within the joint.

Fundamentals of Anatomy & Physiology

Frederic H. Martini,… 10th Edition

Chapter 8, Problem 2

Instant Answer

Solved by Expert Courtney Titus

09/20/2023

Step 1

Tendons connect muscles to bones, ligaments connect bones to other bones, joint shape determines the range of motion, muscles provide movement and stability, and the shape of the bones within the joint affects the joint's function. Show more…

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Which of the following is primarily responsible for stabilizing, positioning, and bracing the pectoral girdles? (a) tendons, (b) ligaments, (c) the joint shape, (d) muscles, (e) the shape of the bones within the joint.

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Key Concepts

Muscular Stabilization

Muscles play a dynamic role in joint stability by actively contracting to position, brace, and support skeletal structures. In the context of the pectoral girdle, muscle activity is critical for both movement and maintaining joint congruency during various actions, making them the primary means of stabilization.

Ligamentous Stabilization

Ligaments provide passive, static support by connecting bones and limiting excessive motion within the joint. Although they contribute to overall joint stability, they do not actively position or brace the skeleton in the same dynamic manner as muscles.

Joint Anatomy

The anatomical configuration of joints, including the shape of the bones and the congruency of the joint surfaces, contributes to inherent stability. While this form of structural stability helps guide movement and prevent dislocations, it primarily serves as a passive support mechanism compared to the active support provided by muscles.

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