The Skeletal System Flashcards
(37 cards)
How many bones does the axial skeleton have?
total of 80 bones
How many bones does the appendicular skeleton have?
total of 126 bones
How many bones make up the human body?
206 bones
Where are the Frontalis muscle located? What action does the Frontalis muscle perform?
on the forehead and raises the eyebrows
This muscle is located at the temples and closes the jaw. What muscle is this?
Temporalis
Where is the Masseter located? What action does the Masseter peform?
at the lateral jaw and closes the jaw
This muscle is located around the eye and it’s action closes the eye. What muscle is this?
Orbicularis oculi
Where is the Orbicularis oris located? What action does the Orbicularis oris perform?
around the mouth and closes the mouth
This mucles pulls back the cheeks. What muscle is this?
Hint: This muscle is also known as the smile muscle!
Buccinator
This muscle has an anterior connection between the sternum, the clavicle, and the skull. What muscle is this?
Sternocleidomastoid
What action does the Levator Scapulae perform
elevates the scapula
This trapezoidal-shaped muscle that covers most of the upper back is called what?
Trapezius
This muscle covers most of the lower back and attaches to the humerus. What is the name of this muscle?
Latissimus dorsi
What muscle is rounded shaped and covers the shoulder joint?
Deltoid
This muscle covers most of the chest and attaches to the humerus. Name this muscle.
Hint: There is a major and minor of this muscle
Pectoralis major
This muscle is small and deep to pectoralis major, it rounds the shoulder.
Pectoralis minor
This muscle attaches to the anterior arm, it crosses both the shoulder and elbow joints.
Hint: This muscle has 2 attachments
Biceps brachii
Where does the Brachialis muscle attach? It is the ________ of the elbow flexors.
Anterior arm and strongest
This muscle attaches on the posterior arm and extends the elbow.
Triceps brachii
This muscle attaches on the lateral forearm. The muscle gets it’s name from the attachment at the brachial region at the radius. What muscle is this?
Brachioradialis
The Flexors of the Wrist are located on the __________ surface.
anterior
The Extensors of the Wrist are located on the _____________ surface.
posterior
This muscle has fibers that run in the same direction as your hands in your pockets. Which muscle is this?
Hint: Muscle in the stomach
External obliques
This muscle is deep to the External obliques and has fibers that are run in the opposite direction.
Internal obliques