neck and back muscles Flashcards
(24 cards)
What is the primary function of the trapezius muscle?
To move, rotate, and stabilize the shoulder blade and support the arm.
True or False: The sternocleidomastoid muscle is responsible for rotating the head.
True
Fill in the blank: The __________ muscle helps in extending the head and neck.
splenius
Which muscle group is primarily responsible for the extension of the spine?
Erector spinae
What is the primary role of the levator scapulae muscle?
To elevate the scapula.
Multiple Choice: Which of the following muscles is NOT part of the rotator cuff? A) Supraspinatus B) Infraspinatus C) Latissimus dorsi D) Teres minor
C) Latissimus dorsi
What is the main action of the rhomboid muscles?
To retract the scapula.
True or False: The multifidus muscle is important for spinal stability.
True
Fill in the blank: The __________ muscle helps in lateral flexion of the neck.
scalenes
What is the origin of the latissimus dorsi muscle?
Lower six thoracic vertebrae, lumbar vertebrae, sacrum, and iliac crest.
Multiple Choice: Which muscle is primarily involved in neck flexion? A) Trapezius B) Sternocleidomastoid C) Erector spinae D) Rhomboids
B) Sternocleidomastoid
What is the primary action of the semispinalis muscle?
To extend the head and vertebral column.
True or False: The splenius capitis muscle is involved in head rotation.
True
Fill in the blank: The __________ muscle aids in depressing the scapula.
pectoralis minor
What is the innervation of the trapezius muscle?
Accessory nerve (CN XI) and cervical spinal nerves.
Multiple Choice: Which muscle is responsible for shoulder adduction? A) Deltoid B) Latissimus dorsi C) Trapezius D) All of the above
D) All of the above
What is the function of the longus colli muscle?
To flex and rotate the neck.
True or False: The iliocostalis muscle is part of the erector spinae group.
True
Fill in the blank: The __________ muscle helps in rotation and flexion of the vertebral column.
obliques
What is the role of the thoracic spine in relation to neck and back muscles?
It provides support and stability for the upper body and facilitates movement.
Multiple Choice: Which muscle is primarily involved in the shrugging of shoulders? A) Trapezius B) Serratus anterior C) Rhomboids D) Erector spinae
A) Trapezius
What is the primary action of the pectoralis major muscle?
To adduct and medially rotate the humerus.
True or False: The teres major muscle assists in shoulder extension.
True
Fill in the blank: The __________ muscle is responsible for the flexion of the cervical spine.
sternocleidomastoid
