**Muscles that Flex the Thigh at the Hip**| Origin | Insertion | Action ||-------------------------|-----------|--------|| Iliopsoas* (iliacus + psoas major) | | || Sartorius* | | || Tensor Fasciae Latae* | | || Rectus Femoris* | | |*Diagram Explanation:*In the provided diagram, we have a detailed illustration of the anterior muscles of the thigh and hip region. Key muscles involved in flexing the thigh at the hip joint are labeled, including:- **Psoas Major**: Originating from the lumbar vertebrae, contributing to thigh flexion.- **Iliacus**: Originates from the iliac fossa and aids in thigh flexion.- **Sartorius**: Runs obliquely across the thigh, facilitating flexion, abduction, and lateral rotation of the hip.- **Tensor Fasciae Latae**: Located laterally on the thigh, assisting in flexion and abduction.- **Rectus Femoris**: Part of the quadriceps group, engages in hip flexion and knee extension.The vertebrae, pelvis, and surrounding muscle groups are also marked to provide anatomical context.

Answered: Muscles that Flex the Thigh at the Hip…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

**Muscles that Flex the Thigh at the Hip**

| Origin | Insertion | Action |
|-------------------------|-----------|--------|
| Iliopsoas* (iliacus + psoas major) | | |
| Sartorius* | | |
| Tensor Fasciae Latae* | | |
| Rectus Femoris* | | |

*Diagram Explanation:*

In the provided diagram, we have a detailed illustration of the anterior muscles of the thigh and hip region. Key muscles involved in flexing the thigh at the hip joint are labeled, including:

- **Psoas Major**: Originating from the lumbar vertebrae, contributing to thigh flexion.
- **Iliacus**: Originates from the iliac fossa and aids in thigh flexion.
- **Sartorius**: Runs obliquely across the thigh, facilitating flexion, abduction, and lateral rotation of the hip.
- **Tensor Fasciae Latae**: Located laterally on the thigh, assisting in flexion and abduction.
- **Rectus Femoris**: Part of the quadriceps group, engages in hip flexion and knee extension.

The vertebrae, pelvis, and surrounding muscle groups are also marked to provide anatomical context.

Expert Solution

Step 1

Muscle is a kind of contractile tissue found in vertebrates that has the function of producing motion. Movement is the mechanism through which an organism interacts with its surroundings. It is the result of the complex collaboration of muscle and nerve fibers. The innervation of muscle fibers enables an animal to perform typical living functions. Muscle systems in humans are categorized based on their physical appearance and cell placement. Striated (or skeletal), cardiac, and smooth muscles (or nonstriated) are three muscles in humans.