Skip to main content
Ch. 10 The Muscular System
Marieb - Human Anatomy & Physiology 11th Edition
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoMarieb, Hoehn 11th EditionCh. 10 The Muscular SystemProblema 15
Capitolo 10, Problema 15

Name and describe the action of muscles used to shake your head no; to nod yes.

Guida verificata passo dopo passo
1
Identify the primary muscle responsible for shaking your head 'no'. This action involves rotating the head from side to side, which is mainly performed by the sternocleidomastoid muscles located on each side of the neck.
Describe the action of the sternocleidomastoid muscles: when one sternocleidomastoid contracts, it rotates the head to the opposite side, enabling the 'no' motion. When both contract together, they flex the neck.
Identify the muscles responsible for nodding your head 'yes'. This movement is primarily a flexion and extension of the neck, involving the muscles at the back and front of the neck.
Describe the action of the muscles used to nod 'yes': the primary muscles involved are the sternocleidomastoid (for flexion) and the splenius capitis and semispinalis capitis muscles (for extension), which allow the head to move up and down.
Summarize by linking each muscle to its specific action: sternocleidomastoid for head rotation ('no'), and a combination of sternocleidomastoid and posterior neck muscles for head flexion and extension ('yes').

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
2m

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Muscle Actions in Head Movements

Muscle actions refer to the specific movements muscles produce when they contract. In head movements, muscles either rotate, flex, or extend the head. Understanding these actions helps identify which muscles are responsible for shaking the head 'no' or nodding 'yes'.
Video consigliato:
5:41
Muscle Actions

Muscles Involved in Shaking Head 'No'

Shaking the head 'no' involves lateral rotation of the head, primarily controlled by the sternocleidomastoid muscles. These muscles contract on one side to rotate the head to the opposite side, enabling the side-to-side 'no' motion.
Video consigliato:
04:19
The Head and Neck

Muscles Involved in Nodding Head 'Yes'

Nodding the head 'yes' involves flexion and extension at the atlanto-occipital joint. The primary muscles responsible are the sternocleidomastoid and the splenius capitis, which work together to flex and extend the head forward and backward.
Video consigliato:
4:32
Muscle Naming Example 1
Pratica correlata
Domanda del libro di testo

Differentiate between the arrangement of elements (load, fulcrum, and effort) in first-, second-, and third-class levers.

1050
views
Domanda del libro di testo

Which criterion (or criteria) is/are used in naming the gluteus medius?

a. Relative size

b. Muscle location

c. Muscle shape

d. Action

e. Number of origins

1070
views
Domanda del libro di testo

Which muscles act to propel food down the length of the pharynx to the esophagus?

974
views
Domanda del libro di testo

Name four criteria used in naming muscles, and provide an example (other than those used in the text) that illustrates each criterion.

1410
views
Domanda del libro di testo

a. Name two forearm muscles that are powerful extensors and abductors of the hand.

b. Name the sole forearm muscle that can flex the distal interphalangeal joints.

1113
views
Domanda del libro di testo

Which of the following is a large, deep muscle that protracts the scapula during punching?

a. Serratus anterior

b. Rhomboids

c. Levator scapulae

d. Subscapularis

1031
views