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Functions/Intro
Head
Trunk
Arm-Thigh-leg
Abdominal/Histology
100
When muscles contract they __________ in length.
What is shorten?
100
Wrinkles your forehead
What is the frontalis?
100
Action of latissimus dori
medially rotate humerus adduct and depress humerus
100
What action is the main cause of rotator cuff injuries?
Circumduction
100
What is in the femoral triangle?
Nerve (femoral), Artery (femoral), Vein (femoral), Lymphatics/Lymph nodes
200
Name three functions of muscles.
Movement, Control openings, Stabilize joints, Produce heat Protection,Facial Expression, Language (talking)
200
kissing muscle
Orbicularis oculi
200
Insertion of pectoralis major
Intertubercular groove of humerus
200
A thick flat and tough "tendon" that the gluteus maxiums inserts into is called the?
Iliotibial tract
200
Myofilaments are made up of which two proteins?
Actin and myosin
300
Where are the intercostal muscle located?
Between the ribs
300
Means helmet
galea
300
Attaches trapezius to cervical spines
ligamentum nuchae
300
Describe dorsi-flexion
Toes lifted up
300
The aponeuroses of the abdominal muscles form this medial structure
What is linea alba?
400
Describe the rule of thumb for the origin of a muscle.
Proximal, Closer to the mid-line, On the stationary bone
400
Muscle that closes the eye
What is the orbicularis oculi
400
Name two muscle that originate on the clavicle.
Deltoid sternocleidomastoid, pectoralis major
400
What tendon is attached to the calcaneous? What two muscle insert here?
Achilles tendon gastrocnemious soleus
400
The inferior aponeurosis of the external oblique muscle folds and forms the _____________?
Inguinal ligamnet
500
Muscle means...
What is little mouse.
500
Origin, Insertion and action of the masseter muscle?
Origin: zygomatic arch, Insertion: ramus and angel of mandible, Action: closes jaw
500
A thin flat aponeurosis that attaches the lattissimus dorsi to the bone at its origin is called the...
thoracolumbar fascia
500
Where does the biceps brachii originate?
Short head: coracoid process of scapula Long head: superior lip of glenoid fossa
500
How does muscle contract?
By actin and myosin filaments sliding past each other which results in a shortening of the muscle.