Laboratory Manual For Human Anatomy & Physiology
Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
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Chapter 25, Problem 1PL

Muscles that move the thigh at the hip joint have origins on the
a. pelvis.
b. femur.
c. tibia
d. patella.

Expert Solution & Answer
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Summary Introduction

Introduction:

Lower limb consists of the largest muscles. Most muscles that act on femur originate on the hipbone.

Answer to Problem 1PL

Correct answer:

The correct answer is option (a) Pelvis.

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) Pelvis. The muscles that move the thigh at the hip joint have their origins on the pelvis. Those muscles attached on the anterior pelvis act to flex the thigh at the hip joint, those attach at the posterior pelvis act to extend the thigh at the hip joint, those attached at the lateral side of the pelvis act as abductors and rotators of the thigh at the hip joint, and those attached on the medial pelvis act as adductors of the thigh at the hip joint. So, the correct answer is option (a).

Explanation for incorrect answer:

Option (b) Femur. Femur is the thigh bone. The muscles that move the thigh at the hip joint originate at pelvis and the insertion I usually on the femur. So, this is an incorrect option.

Option (c) Tibia. Tibia is one of the leg bones. The leg has two bones: a thick strong tibiaon the

medial side and a slender fibula on the lateral side. Tibia and fibula extend from the knee to the ankle. So, this is an incorrect answer.

Option (d) Patella. The patella or kneecap is a roughly triangular sesamoidbone embedded in the tendon of the knee.So, this is an incorrect answer.

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