Whether the humerus moves on the scapula or the scapula moves on the humerus when starting in the anatomical position and moving the shoulder into flexion. Introduction: Shoulder flexion and extension are the osteokinematic type of motion. This is because the shoulder joint movement is under the voluntary control and osteokinematic motion involves when a bone swings through a range of motion around the axis in a joint such as with extension, abduction, flexion, and rotation.

Question

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Answer 1

Question

Chapter 4, Problem 3RQ

a.

Summary Introduction

To determine: Whether the humerus moves on the scapula or the scapula moves on the humerus when starting in the anatomical position and moving the shoulder into flexion.

Introduction: Shoulder flexion and extension are the osteokinematic type of motion. This is because the shoulder joint movement is under the voluntary control and osteokinematic motion involves when a bone swings through a range of motion around the axis in a joint such as with extension, abduction, flexion, and rotation.

b.

Summary Introduction

To determine: Whether the proximal end of the humerus is a concave or convex joint surface.

c.

Summary Introduction

To determine: Whether the glenoid fossa of the scapula has a concave or convex joint surface.

d.

Summary Introduction

To determine: Whether the concave surface glides on a fixed convex surface, or a convex surface glides on a fixed concave surface when starting in the anatomical position and moving the shoulder into flexion.

e.

Summary Introduction

To determine: Whether the joint surface glides in the same or in the opposite direction as the distal end of the moving bone.

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Answer 2

Question

Chapter 4, Problem 3RQ

a.

Summary Introduction

To determine: Whether the humerus moves on the scapula or the scapula moves on the humerus when starting in the anatomical position and moving the shoulder into flexion.

Introduction: Shoulder flexion and extension are the osteokinematic type of motion. This is because the shoulder joint movement is under the voluntary control and osteokinematic motion involves when a bone swings through a range of motion around the axis in a joint such as with extension, abduction, flexion, and rotation.

b.

Summary Introduction

To determine: Whether the proximal end of the humerus is a concave or convex joint surface.

c.

Summary Introduction

To determine: Whether the glenoid fossa of the scapula has a concave or convex joint surface.

d.

Summary Introduction

To determine: Whether the concave surface glides on a fixed convex surface, or a convex surface glides on a fixed concave surface when starting in the anatomical position and moving the shoulder into flexion.

e.

Summary Introduction

To determine: Whether the joint surface glides in the same or in the opposite direction as the distal end of the moving bone.

Expert Solution & Answer

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Answer 3

Question

Chapter 4, Problem 3RQ

a.

Summary Introduction

To determine: Whether the humerus moves on the scapula or the scapula moves on the humerus when starting in the anatomical position and moving the shoulder into flexion.

Introduction: Shoulder flexion and extension are the osteokinematic type of motion. This is because the shoulder joint movement is under the voluntary control and osteokinematic motion involves when a bone swings through a range of motion around the axis in a joint such as with extension, abduction, flexion, and rotation.

b.

Summary Introduction

To determine: Whether the proximal end of the humerus is a concave or convex joint surface.

c.

Summary Introduction

To determine: Whether the glenoid fossa of the scapula has a concave or convex joint surface.

d.

Summary Introduction

To determine: Whether the concave surface glides on a fixed convex surface, or a convex surface glides on a fixed concave surface when starting in the anatomical position and moving the shoulder into flexion.

e.

Summary Introduction

To determine: Whether the joint surface glides in the same or in the opposite direction as the distal end of the moving bone.

Expert Solution & Answer

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Answer 4

Question

Chapter 4, Problem 3RQ

a.

Summary Introduction

To determine: Whether the humerus moves on the scapula or the scapula moves on the humerus when starting in the anatomical position and moving the shoulder into flexion.

Introduction: Shoulder flexion and extension are the osteokinematic type of motion. This is because the shoulder joint movement is under the voluntary control and osteokinematic motion involves when a bone swings through a range of motion around the axis in a joint such as with extension, abduction, flexion, and rotation.

b.

Summary Introduction

To determine: Whether the proximal end of the humerus is a concave or convex joint surface.

c.

Summary Introduction

To determine: Whether the glenoid fossa of the scapula has a concave or convex joint surface.

d.

Summary Introduction

To determine: Whether the concave surface glides on a fixed convex surface, or a convex surface glides on a fixed concave surface when starting in the anatomical position and moving the shoulder into flexion.

e.

Summary Introduction

To determine: Whether the joint surface glides in the same or in the opposite direction as the distal end of the moving bone.

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Answer 5

Chapter 4, Problem 3RQ

a.

Summary Introduction

To determine: Whether the humerus moves on the scapula or the scapula moves on the humerus when starting in the anatomical position and moving the shoulder into flexion.

Introduction: Shoulder flexion and extension are the osteokinematic type of motion. This is because the shoulder joint movement is under the voluntary control and osteokinematic motion involves when a bone swings through a range of motion around the axis in a joint such as with extension, abduction, flexion, and rotation.

b.

Summary Introduction

To determine: Whether the proximal end of the humerus is a concave or convex joint surface.

c.

Summary Introduction

To determine: Whether the glenoid fossa of the scapula has a concave or convex joint surface.

d.

Summary Introduction

To determine: Whether the concave surface glides on a fixed convex surface, or a convex surface glides on a fixed concave surface when starting in the anatomical position and moving the shoulder into flexion.

e.

Summary Introduction

To determine: Whether the joint surface glides in the same or in the opposite direction as the distal end of the moving bone.

Answer 6

Chapter 4, Problem 3RQ

a.

Summary Introduction

To determine: Whether the humerus moves on the scapula or the scapula moves on the humerus when starting in the anatomical position and moving the shoulder into flexion.

Introduction: Shoulder flexion and extension are the osteokinematic type of motion. This is because the shoulder joint movement is under the voluntary control and osteokinematic motion involves when a bone swings through a range of motion around the axis in a joint such as with extension, abduction, flexion, and rotation.

Answer 7

Chapter 4, Problem 3RQ

a.

Summary Introduction

To determine: Whether the humerus moves on the scapula or the scapula moves on the humerus when starting in the anatomical position and moving the shoulder into flexion.

Introduction: Shoulder flexion and extension are the osteokinematic type of motion. This is because the shoulder joint movement is under the voluntary control and osteokinematic motion involves when a bone swings through a range of motion around the axis in a joint such as with extension, abduction, flexion, and rotation.

Answer 8

b.

Summary Introduction

To determine: Whether the proximal end of the humerus is a concave or convex joint surface.

Answer 9

b.

Summary Introduction

To determine: Whether the proximal end of the humerus is a concave or convex joint surface.

Answer 10

c.

Summary Introduction

To determine: Whether the glenoid fossa of the scapula has a concave or convex joint surface.

Answer 11

c.

Summary Introduction

To determine: Whether the glenoid fossa of the scapula has a concave or convex joint surface.

Answer 12

d.

Summary Introduction

To determine: Whether the concave surface glides on a fixed convex surface, or a convex surface glides on a fixed concave surface when starting in the anatomical position and moving the shoulder into flexion.

Answer 13

d.

Summary Introduction

To determine: Whether the concave surface glides on a fixed convex surface, or a convex surface glides on a fixed concave surface when starting in the anatomical position and moving the shoulder into flexion.

Answer 14

e.

Summary Introduction

To determine: Whether the joint surface glides in the same or in the opposite direction as the distal end of the moving bone.

Answer 15

e.

Summary Introduction

To determine: Whether the joint surface glides in the same or in the opposite direction as the distal end of the moving bone.

Answer 16

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Answer 17

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Answer 18

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Answer 19

Ch. 4 - Prob. 1RQ Ch. 4 - Prob. 2RQ Ch. 4 - Prob. 3RQ Ch. 4 - Prob. 4RQ Ch. 4 - Prob. 5RQ Ch. 4 - Prob. 6RQ Ch. 4 - Prob. 7RQ Ch. 4 - Prob. 8RQ Ch. 4 - Prob. 9RQ Ch. 4 - Prob. 10RQ

To determine: Whether the proximal end of the humerus is a concave or convex joint surface.

To determine: Whether the glenoid fossa of the scapula has a concave or convex joint surface.

To determine: Whether the concave surface glides on a fixed convex surface, or a convex surface glides on a fixed concave surface when starting in the anatomical position and moving the shoulder into flexion.

To determine: Whether the joint surface glides in the same or in the opposite direction as the distal end of the moving bone.

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Chapter 4 Solutions