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100
The kissing muscle
Obicularis Oris
100
What are the two points of attachment for any muscle?
Origin & Insertion
100
The main ions involved in muscle contraction.
Sodium, Potassium, Calcium
100
Name four ways that muscles can be named.
Shape, action, location, direction, relative size, number of origins, ect.
100
Muscle group that extends the thigh and flexes the knee.
Hamstrings (semimembranosus, semitendinosus, biceps femoris)
200
What muscle pulls the corners of the mouth inferiorly?
Platysma
200
What is a body movement where your muscles draw your leg to the midline of your body?
Adductors
200
What is the order of the abdominal muscles from most deep to most superior?
Transversus Abdominus, Internal Oblique, Rectus Abdominus, External Oblique
200
What is the two bellied muscle of the calf?
Gastrocnemius
200
Muscle group that extends the knee.
Quadriceps (Rectus femoris, vastus lateralis, vastus intermedius, vastus medialus)
300
What is the prime mover of jaw closure?
Masseter
300
Name the four muscles of the abdominal girdle.
Rectus Abdominus, External Oblique, Internal Oblique, Transverse Abdominus
300
Prime mover for shoulder abduction.
Deltoid
300
A smaller hip muscle that is a common injection site.
Gluteus medius
300
What is a strap-like muscle that wraps the leg diagonally and helps with thigh flexion?
Sartorius
400
Thick filaments are also known as what?
Myosin filaments
400
What is the trapezius muscle named for?
Its shape
400
What is a sheetlike connective tissue of the muscular system?
Aponeuroses
400
What is a muscle that inverts and dorsiflexes the foot?
Tibialus Anterior
400
A muscle that extends the elbow
Triceps Brachii
500
What are three functions of the muscular system other than movement?
Maintain posture, body position, stabilize joints, dialate eyes
500
How are crossbridges formed?
Myosin heads bind to actin.
500
What cover wraps the entire skeletal muscle?
Epimysium
500
What part of the anatomy of muscles stores and releases calcium?
Sarcoplasmic Reticulum
500
What is the ability to recoil and resume a resting length?
Elasticity
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