Lab Exam Muscles Flashcards
How many layers of the epidermis are there?
5
What muscle covers the occipital bone?
Occipitalis
What muscle surrounds the mouth?
Orbicularis Oris
What muscle surrounds the eyes?
Orbicularis Occuli
What muscle covers a decent portion of the skull and looks like a fan?
Temporalis
What muscle runs across the frontal bone?
Frontalis
What is the action of the masseter and temporalis?
To elevate the mandible
What does the masster connect to?
Mandible and zygomatic
What is the one neck muscle we have to know for this exam?
Sternocleidomastoid
What is more commonly known as the “shoulder muscle”?
Deltoid
What muscle lies on the anterior aspect of the scapula?
Subscapularis
What muscle lies above the scapular spine?
Supraspinatus
What muscle lies below the scapular spine?
Infraspinatus
Which is more superior, teres minor or teres major?
Teres minor
Does the triceps brachii attach to the scapula?
Yes
What muscle extends the forearm?
Triceps Brachii
What does the biceps brachii control?
Forearm Flexion
Is the biceps brachii anterior or posterior?
Anterior
Is the triceps brachii anterior or posterior?
Posterior
A mnemonic used for the flexor carpi ulnaris, palmaris longus, flexor carpi radialis, and pronator teres?
Fail, Pass, Fail, Pass
From lateral to medial
(Flexor Carpi Ulnaris, Palmaris Longus, Flexor Carpi Radialis, Pronator Teres)
What is the action of the pronator teres?
To pronate the forearm
What muscles flex the wrist?
Flexor Carpi Radialis, Palmaris Longus, Flexor Carpi Ulnaris
What muscles flex the forearm?
Brachioradialis
What muscles extend the wrist?
Extensor Carpi Radialis Brevis, Extensor Carpi Radialis Longus, Extensor Digitorum, Extensor Ulnaris
Is the pectoralis major deep or superficial to the pectoralis minor?
Superficial
What muscles seemingly wrap into the ribcage between the ribs?
Serratus Anterior
What are the sterotypical “abs” anatomically known as?
Rectus Abdominus
Are the external obliques deep or superficial to the internal obliques?
Superficial
What is the diamond shaped muscle on the upper back?
Trapezius
What is the lower back muscle that attaches to the humerus?
Latissimus Dorsi
What are the upper back muscles that attach to the medial scapula?
Rhomboid Major and Minor
What are the muscles of the quadriceps?
Rectus Femoris, Vastus Intermedius, Vastus Lateralis, Vastus Medialis
What is the function of the quadriceps?
To flex the thigh and extend the leg
What muscles make up the hamstrings?
Sartorius, Tensor Fasciae Latae, Biceps Femoris, Semimembranosus, Semitendinosus
What is the action of the hamstrings?
To extend the thigh, flex the leg
What muscles make up the adductor group?
Gracilis, Adductor Magnus, Adductor Longus
What is the function of the adductors?
To adduct the thigh
Is your gluteus medius deep or superficial to the gluteus maximus?
Deep
What is the action of the tibialis anterior?
To dosiflex or invert the foot
Where is the tibialis anterior located?
Just lateral to the tibial tuberosity
What muscle extends the toes?
Extensor Digitorum
What is the big calf muscle?
Gastrocnemius
What is the second calf muscle that is lateral to the gastrocnemius?
Soleus
What connects the calcaneous to the calf?
Calcaneal Tendon
Is cardiac muscle voluntary or involuntary?
Involuntary
Is smooth muscle voluntary or involuntary?
Involuntary
Is skeletal muscle voluntary or involuntary?
Voluntary
What type of muscle contains intercalated discs?
Cardiac Muscle