Naming of Muscles:
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Gluteus maximus: G. relative size of the muscle
Adductor magnus: A. action of the muscle
Biceps femoris: D. Number of origins
Transversus abdominus: F. Direction in which the muscle fibers run relative to some imaginary line
Extensor carpi ulnaris: C. location of the muscle’s origin and/or insertion
Trapezius: B. shape of the muscle
Rectus femoris: E. Location of muscle relative to a bone or body region
External oblique:
Muscles of the head:
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Used in smiling: I. Zygomaticus
Used to suck in your cheeks: A. Buccinator
Used in winking: D. Orbicularis oculi
Used to form the horizontal frown crease on the forehead: B. Frontalis
The “kissing” muscle: E. Orbicularis oris
Prime mover of jaw closure: C. Masseter
Synergist muscle for jaw closure: G. Temporalis
Prime mover of head flexion; a two headed muscle: F. Sternocleidomastoid
Muscles of the trunk:
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The name means “straight muscle of the abdomen: I. Rectus abdominus
Prime mover for shoulder flexion and adduction: H. Pectoralis major
Prime mover for shoulder abduction: A. Deltoid
Part of the abdominal girdle; forms the external lateral walls of the abdomen: D. External oblique
Acting alone, each muscle of this pair turns the head toward the opposite shoulder: J. Sternocleidomastoid
Muscle pairs that help form the natural abdominal girdle: F. Internal oblique
Muscle pairs that help form the natural abdominal girdle: K. Transversus abdominis
Deep muscles of the thorax that promote the inspiratory phase of breathing: E. Internal intercostals
An unpaired muscle that acts with the muscles named immediately above to accomplish inspiration: C. External
intercostals
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Muscles that allows you to shrug your shoulders or extend your head: G. Trapezius
Muscle that adducts the shoulder and causes extension of the shoulder: E. Latissimus dorsi
Shoulder muscle that is the antagonist of the muscle described above: A. Deltoid
Prime mover of back extension; a deep composite muscle consisting of three columns: B. Erector spinae
Large paired superficial muscle of the lower back: C. External oblique
Fleshy muscle forming part of the posterior abdominal wall that helps maintain upright posture: D. Gluteus
maximus
Muscles of the hip, thigh, and leg:
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Hip flexor, deep in pelvis; a composite of two muscles: H. Iliopsoas
Used to extend the hip when climbing stairs: E. Gluteus maximus
“Toe dancer’s” muscle; a two bellied muscle of the calf: D. Gastrocnemius
Inverts and dorsiflexes the foot: O. Tibialis anterior
Muscle group that allows you to draw your legs to the midline of your body, as when standing at attention: A.
Adductors
Muscle group that extends the knee: I. Quadriceps
Muscle group that extends the thigh and flexes the knee: G. Hamstrings
Smaller hip muscle commonly used as an injection site: F. Gluteus medius
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Like the two-bellied muscle that lies over it, this muscle is a planter flexor: N. Soleus
Muscles of the arm and forearm:
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Wrist flexor that follows the ulna: E. Flexor carpi ulnaris
Muscle that extends the fingers: D. Extensor digitorum
Muscle that flexes the fingers: F. Flexor digitorum superficialis
Muscle that allows you to bend (flex) the elbow: A. Biceps brachii
Muscle that extends the elbow: G. Triceps brachii
Powerful shoulder abductor, used to raise the arm overhead: B. Deltoid