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22 Cards in this Set
- Front
- Back
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How much of our body weight is muscle?
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40-60%
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What are the 3 types of muscles?
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Voluntary, Involuntary & Cardia
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Which characteristics of muscle gives the ability to stretch?
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extensibility
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What is the difference between origin and insertion?
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Origin: where the muscle begins, most fixed point of a muscle. Insertion: Where muscle ends , most moveable point of muscle, insertion always moves toward the origin.
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How many muscles are in the body?
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over 600
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What organ controls the activities of the muscle?
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the brain ( nervous system)
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What happens when a muscle is fatigued?
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it has depleted its stored glycogen.
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What are the 3 types of muscles?
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Skeletal(attach to bone), Smooth(found in internal organs, nonstriated, involuntary muscles), Cardiac(found in heart)
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What organ doesn't contain smooth muscle?
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the heart
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What is the longest tendon in the body?
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achilles tendon
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What are the 3 forms of muscle attachment?
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tendons(attaching muscle to bone), Ligaments(connects bone to bone at the joint), Fascia(covers muscle tissue)
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Functions of Muscle
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1) attach to bone to provide movement
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Functions of Muscle
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2) provide heat and energy
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Functions of Muscle
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3) maintain body upright
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Functions of Muscle
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4) protect some internal organs, blood vessels and nerves.
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Functions of Muscle
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5) provide protective padding
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Functions of Muscle
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6) add shape to the body
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Functions of Muscle
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7) aid in return flow of blood
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Muscles head, face and neck.
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Occipitalis, frontalis, obicular oculi, masseter, obsicular oris, platysma, sternoleidomastoid(supports the head)
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Muscles of the trunk
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pectoralis major, external oblique, serratus anterior, intercostals, diaphragm, trapezius, lattissimus dorsi
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Muscles of the upper extremities.
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deltoid, bicep brachii, tricep brachii
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Muscles of the lower extremities.
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gluteus maximus, gluteus medius, quadricep, rectus femoris, vastus lateralis, vastur medialis, vastus intermedius, sartorius, tibialis anterior, hamstring group, gastrocnemius
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