Term
| Is skeletal muscle movement voluntary or involuntary? |
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Definition
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Term
| How are the cells of skeletal muscles arranged? |
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Definition
| In bundles, enclosed in connective tissue sheaths. |
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Term
| Describe the cells of skeletal muscles. |
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Definition
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Term
| How do skeletal muscles move the body? |
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Definition
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Term
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Definition
| All of the muscles responsible for a particular movement. |
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Term
| What is the name of the muscle which is most responsible for a movement? |
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Definition
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Term
| Are movements typically accomplished by only one muscle? |
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Definition
| No. Generally, by several muscles. |
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Term
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Definition
| Pairs of muscles that work in opposite movements (example: bicep and tricep) |
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Term
| In an antagonist pair of muscles, what is the agonist muscle doing and what is the antagonist muscle doing? |
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Definition
| The agonist is flexing, while the antagonist relaxes. |
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Term
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Definition
| Muscles that raise a body part. |
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Term
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Definition
| They anchor the muscle to the bone. |
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Term
| Which is thinner on a muscle: the point of origination or the point of attachment? |
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Definition
| The point of attachment is thinner. |
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Term
| Which is thicker on a muscle: the point of origination or the point of attachment? |
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Definition
| The point of origination is thicker. |
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Term
| How many bones do most muscles attach to? |
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Definition
| Most muscles attach to two bones that have a moveable joint between them. |
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Term
| When a muscle attaches to 2 bones, what is also present? |
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Definition
| A joint between the bones. |
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Term
| Where is the Bursa of a joint located? |
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Definition
| Between the tendon and the joint. |
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Term
| What does the Bursa of a joint help to prevent? |
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Definition
| Friction between the tendon and the joint. |
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Term
| What is found between bones at the joint to keep bones together? |
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Definition
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Term
| What is a bursa lined and filled with? |
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Definition
| It is lined with synovial membrane and filled with synovial fluid. |
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Term
| Define the movement Flexion. |
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Definition
| This movement reduces the angle between two bones at their joint. |
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Term
| Define the movement extension. |
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Definition
| Opposite of Flexion. Increases the angle at the joint. |
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Term
| Define the movement Abduction. |
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Definition
| It is moving a body part away from the midline of the body. |
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Term
| Define the movement Adduction. |
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Definition
| It is moving a body part toward the midline of the body. |
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Term
| Define the movement Rotation. |
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Definition
| It is the movement of a body part around an axis. |
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Term
| Define the movement Supination. |
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Definition
| Refers to hand position; it is the movement which turns the palm to the anterior position (anatomical position) |
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Term
| Define the movement Pronation. |
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Definition
| It is the movement of the hand turned posteriorly. |
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Term
| Define the movement Dorsiflexion. |
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Definition
| It is when the top of the foot is elevated with the toes pointing upward. |
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Term
| Define the movement Plantar Flexion. |
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Definition
| It is the foot directed downward (standing on your toes) |
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Term
| What is the name of the muscle over the frontal skull, which allows you to raise your eyebrows? |
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Definition
| It is the Frontal (frontalis) |
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Term
| What is the name of the muscle which allows you to close your eye? |
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Definition
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Term
| What is the name of the muscle around your mouth, aka the kissing muscle? |
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Definition
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Term
| What is the name of the muscle which elevates the mandible, allowing us to close the mouth and chew? |
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Definition
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Term
| What is the name of the muscle which assists the Masseter in closing the jaw? |
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Definition
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Term
| What is the name of the muscle that starts behind the ear and attaches at the clavical and allows flexing of the head toward the chest? |
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Definition
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Term
| What is the name of the muscle located on the back of the neck/upper back, which elevates, lowers and adducts the shoulders and extends the head backward? |
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Definition
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Term
| Name the muscle located in the chest that flexes the upper arm. |
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Definition
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Term
| Name the muscle in the back which helps extend the upper arm |
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Definition
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Term
| Name the muscle in the upper arm that helps adduct the arm. |
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Definition
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Term
| Name the 2-headed muscle that serves as the primary flexor of the forearm. |
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Definition
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Term
| Name the 3-headed muscle on the posterior surface of the upper arm that acts as an extensor in the elbox/forearm. |
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Definition
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Term
| Name the three layers of muscle that make up the Anterior abdomen. |
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Definition
| External oblique, Internal oblique, and Transversus abdominis. |
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Term
| What is the outermost layer of the anterior abdomen? |
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Definition
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Term
| What is the middle layer of the anterior abdomen? |
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Definition
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Term
| What is the innermost layer of the anterior abdomen? |
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Definition
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Term
| Where the three layers of muscles on the anterior abdomen are running in different directions, what is this effect called? |
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Definition
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Term
| Name the muscle that runs down the midline of the abdomen from the thorax to the pubis. |
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Definition
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Term
| Which of the respiratory muscles is found in between the ribs? |
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Definition
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Term
| Which of the respiratory muscles separates the thoracic and abdominal cavities? |
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Definition
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Term
| Name the muscle that forms the buttock and is the extensor of the thigh and supports the torso. |
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Definition
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Term
| Name the muscle that abducts the femur and is a known injection site. |
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Definition
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Term
| Which muscle group consists of flexors of the lower leg? |
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Definition
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Term
| Name the three muscles in the hamstring group. |
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Definition
| Semimembranosus, semitendinosus, and biceps femoris. |
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Term
| Which group of muscles covers the thigh and helps extend the leg? |
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Definition
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Term
| Name the four muscles in the Quadriceps group. |
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Definition
| Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius. |
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Term
| Name the muscle that dorsiflexes the foot. |
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Definition
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Term
| Name the primary calf muscle, responsible for plantar flexion of the foot. |
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Definition
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Term
| What are the three intramuscular injection sites? |
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Definition
| Deltoid, gluteus medius, vastus lateralis |
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Term
| What are the small, delicate muscle cells found throughout the internal organs of the body? |
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Definition
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Term
| What kind of muscles work involuntarily and control functions such as breathing, peristalsis, blood cirulation and pupil dilation? |
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Definition
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Term
| What kind of muscle tissue is found only in the heart? |
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Definition
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Term
| How is cardiac muscle tissue arranged? |
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Definition
| In a continuous network without a sheath separation. |
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Term
| When one cardiac muscle cell gets the signal to contract, what happens to the neighboring cells? |
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Definition
| They are stimulated simultaneously and contract together. |
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Term
| Name the first 3 functions of the skeletal muscles. |
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Definition
| 1. Contractions provide heat and 2. permit movement. 3. Hold the trunk and head erect. |
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Term
| Name the second 3 funtions of the skeletal muscles. |
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Definition
| 4. Protect blood vessels & nerves 5. Help blood flow return to heart 6. Provide protective padding for internal organs. |
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Term
| What do muscles store as an energy source? |
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Definition
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Term
| What happens as glycogen is used in the muscles? |
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Definition
| Heat is produced and warms the body. |
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Term
| What happens to muscles when they contract? |
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Definition
| They become short and thicker. |
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Term
| What are skeletal muscles that bend joints called? |
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Definition
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Term
| What are skeletal muscles that straighten out a joint called? |
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Definition
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Term
| What do skeletal muscles do to help the body stay erect? |
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Definition
| They stay partially contracted. |
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Term
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Definition
| The constant state of contraction to help the body remain erect |
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Term
| What is the name for the involuntary contraction of smooth muscles that results in the constant contraction and relaxation of the layers of smooth muscle? |
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Definition
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Term
| Name the muscle that is smooth, donut-shaped, and pinches to control the flow of blood, food, or liquid. |
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Definition
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Term
| What is the name for the strong fibrous connective tissue sheaths that do not bend or stretch? |
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Definition
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Term
| What is the purpose of a tendon? |
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Definition
| To attach a muscle to a bone. |
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Term
| What are the flexible, fibrous tissues that support organs and join bones to bones at the joint? |
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Definition
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Term
| What is the painful inflammation of the bursae that cover and lubricate muscles and tendons? |
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Definition
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Term
| What is the painful inflammation of the tendons and muscle attachments to the bone? |
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Definition
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Term
| What is the chronic musculoskeletal condition that causes widespread pain and the presence of tender points or trigger points through out the body? |
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Definition
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Term
| What is name for the group of congential disorders that result in progressive wasting away of skeletal muscle and eventually death? |
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Definition
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Term
| What are the two muscular dystrophy disorders? |
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Definition
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Term
| What is the name for the congenital or acquired neck deformity that bends the head toward the affected side? |
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Definition
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Term
| Which muscular disorder does not appear to be inherited, can affect both sexes, usually begins between the ages 30-50, and causes death within 5 years? |
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Definition
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