Explanation Explanation for the correct answers: Option (a) states that performing a plié or a shallow knee bend in ballet will be compromised if an injury occurs in the spinal segments (L3 and L4) of the lumbar region. The femoral cutaneous nerve and the femoral nerve originate for the L3 and L4 segment of the lumbar region. Injuries in those segments affect the thigh and leg muscles. Hence, option (a) is correct. Option (b) states that sitting cross-legged in the lotus position will be compromised if an injury occurs in the spinal segments (L3 and L4) of the lumbar region. Injuries in those segments interfere with the function of leg and thigh muscles. Hence, option (b) is correct. Option (c) states that riding a horse will be compromised if an injury occurs in the spinal segments (L3 and L4) of the lumbar region The L3 and L4 spinal segment plays an important role in supporting the weight of the torso...

MasteringA&P with Pearson eText -- ValuePack Access Card -- for Human Anatomy

9th Edition

ISBN: 9780134292335

Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath

Publisher: PEARSON

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Question

Chapter 14, Problem 2RC

Summary Introduction

Introduction:

The lumbar plexus starts from the T12 to L4 of the ventral rami of the spinal nerve. It supplies the lower limbs and the pelvic girdle. Lumbar and sacral plexus are together called the lumbosacral plexus. The femoral nerve, femoral cutaneous nerve, and the genitofemoral nerve are the three important nerves of the lumbar plexus.

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Chapter 14, Problem 1RC

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Chapter 14 Solutions

MasteringA&P with Pearson eText -- ValuePack Access Card -- for Human Anatomy

Ch. 14 - Match each numbered item with the most closely...Ch. 14 - Prob. 2RFT Ch. 14 - Prob. 3RFT Ch. 14 - Prob. 4RFT Ch. 14 - Prob. 5RFT Ch. 14 - Prob. 6RFT Ch. 14 - Prob. 7RFT Ch. 14 - Prob. 8RFT Ch. 14 - Prob. 9RFT Ch. 14 - Match each numbered item with the most closely...

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Solution Summary: The author explains that the lumbar plexus supplies the lower limbs and the pelvic girdle.

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