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33 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are the 4 functional groups of muscle?
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Prime movers, antogonist, fixator, and synergists.
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People Moving Away From San jose.
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Define Orgin
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End of the muscle that attatches to the stationary bone (non-movable)
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Biceps (two heads) have two orgins on the scapula
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Define Insertion
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End of muscle attatches to the moving bone
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Biceps inserts on the radius (crosses elbow joint)
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Define Prime Movers
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(Agonists) muscle that bears the prime responsibility for effecting a movement
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Define Antogonist
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Muscle that opposes the action of another muscle
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Define Fixator
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Muscle that immobilizes one or more bones (scapula)
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Difne Synergists
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These muscles act as stablilizers to the prime movers. They may also contribute extra force to the prime mover as well
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What Muscle is this?
O:Galea Aponeurotica I: Skin of eyebrows N: Facial Nerve A: raises eyebrows |
Frontalis
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What Muscle is this?
O:Frontal bone I: tissues of eyelid N: Facial Nerve A: closes eyes |
Oribularis Oculi
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What Muscle is this?
O: Temporal Foss I: coronoid process of mandible N: Trigeminal Nerve A: closes jaw |
Temporalis
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Muscle of Mastication
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What Muscle is this?
O:Indirectly from maxilla and mandible I: encircles the mouth N: Facial Nerve A: Puckers Lips |
Orbicularis Oris
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Kissing and Whistling
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What Muscle is this?
O:Subcutaneous skin over delto-pectoral region I: Skin widely over the mandible N: Facial Nerve A: Depress mandible and lower lip |
Platysma
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Tenses the skin over the lower neck
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What muscle is this?
Located deep in the neck |
Scalenes
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anterior, middle, and posterior
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What Muscle is this?
O: Manubrium I: Hyoid Bone A: Depress hyoid and larynx |
Sternohyoid
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What muscle is this?
Consists of two bellies that are connected by an intermediate tendon |
Digastric
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What Muscle is this?
O:Manubrium and medial portion of clavicle I: Mastoid process N: Spinal accessory A:Together they flex head forward; separately the rotate head opposite to muscle contracting |
Sternocleidomastoid
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SCM
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What Muscle is this?
O:lateral 1/3 of clavicle, acromion and spine of scapula I: deltoid turberosity N: axillary nerve A: arm abduction |
Deltoid
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What Muscle is this?
o: ribs 3-5 |
Pectoralis Minor
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thin muscle located underneath pectoralis major
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What Muscle is this?
A: Arm Flexion, rotates are medially |
Pectoralis Major
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What muscle is this?
A: Protract and hold scapula |
Serratus Anterior
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What Muscle is this?
O: Pubic symphysis I: Xiphoid process and costal cartilage N: Intercostal nerves A: Flex Lumbar spine |
Rectus Abdominis
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What Muscle is this?
O:Inferiour surface of rib cage I: central tendon N: primary muscle of respiration A:phrenic nerve |
diaphragm
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you use this to sing...and its not your nose!
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What Muscle is this?
O: Long, Medial, and Lateral Head I: Olecranon process of ulna N: radial nerve A: forearm extension |
Triceps Brachii
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Back of Arm
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What Muscle is this?
O: Short and Long Head I: Radial Tuberosity N: Musculocutaneous nerve A: Forearm Flexor |
Biceps Brachii
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Front of Arm
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What muscle is this?
Forearm Flexor, lifts ulna |
Brachialis
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What muscle is this?
O: medial epicondyle of humerus I: palmar aponeurosis N: median nerve A:weak wrist flexor |
Palmaris Longus
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Absent in 15% of the population
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What Muscle is this?
O: anterior superior iliac spine I: upper medial surface of body of tibia N: obturator nerve A: flexes, abducts and laterally rotates thigh |
Sartorius
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"Tailors Muscle"
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What muscle is this?
It adducts thigh! |
Gracilis
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What muscle is this?
It is primarily the hip and trunk flexor |
Iliopsoas
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What muscle is this?
It is a short flat muscle that adducts the thigh |
Pectineus
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What muscle is this?
it is the dorsiflexion of the foot |
Tibialis Anterior
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What muscle is this?
Flexes the big toe |
flexor hallucis longus
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"push off" while taking a step
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What muscle is this?
Extends head and raises scapulas |
Trapezius
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Shrugg Shoulders
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