(Week 4)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| The three types of muscle tissue are: | skeletal, cardiac, smooth
🗑
|
||||
| _______ and _______ muscle cells are elongated and are called muscle fibers. | skeletal, smooth
🗑
|
||||
| Muscle contraction depends on two kinds of myofilaments -- _______ and _______. | actin, myosin
🗑
|
||||
| _______ muscle tissue has obvious striations, is controlled voluntarily, contracts rapidly but tires easily, and is responsible for overall body motility. | skeletal
🗑
|
||||
| _______ muscle tissue only occurs in the heart, and is striated but not voluntary. | cardiac
🗑
|
||||
| _______ muscle tissue is found in the walls of hollow visceral organs, is not striated, and is involuntary. | smooth
🗑
|
||||
| The function of skeletal muscles are: | locomotion, maintain posture, stabilize joints, generate heat
🗑
|
||||
| The function of cardiac muscle is: | coursing the blood through the body
🗑
|
||||
| The function of smooth muscle is: | maintain blood pressure, squeeze/propel substances through organs
🗑
|
||||
| Muscle _______ are elongated multinucleate cells with striations, surrounded by endomyceum. | fibers
🗑
|
||||
| Muscle _______ are discrete bundles of muscle cells surrounded by perimysium. | fascicles
🗑
|
||||
| Each individual muscle is a collection of _______ bound together | fascicles
🗑
|
||||
| _______: an overcoat of dense regular connective tissue that surrounds the entire muscle | epimysium
🗑
|
||||
| _______: fibrous connective tissue that surrounds groups of muscle fibers called fascicles | perimysium
🗑
|
||||
| _______: fine sheath of connective tissue composed of reticular fibers surrounding each muscle fiber | endomysium
🗑
|
||||
| Most skeletal muscles span _______ and are attached to _______ in at least ____ places. | joints, bone, 2
🗑
|
||||
| When muscles contract the movable bone, the muscle's _______ moves toward the immovable bone, the muscle's _______. | insertion, origin
🗑
|
||||
| In extremities, the _______ is typically proximal to the _______. | origin, insertion
🗑
|
||||
| Muscles attach directly to bone when the _______ of the muscle is fused to the _______ of a bone or perichondrium of cartilage. | epimysium, periosteum
🗑
|
||||
| Muscles attach _______ when the connective tissue wrappings extend beyond the muscle as a tendon or aponeurosis that anchors muscle to the connective tissue covering of bone, cartilage, or the fascia of other muscles. | indirectly
🗑
|
||||
| Contracting muscle fibers require a continuous delivery of _______ and _______ via arteries. | oxygen, nutrients
🗑
|
||||
| ________: the smallest contractile unit of a muscle | sarcomeres
🗑
|
||||
| ________: densely packed, rodlike contractile elements that make up most of the muscle volume. | myofibrils
🗑
|
||||
| The major muscle that produces a specific motion or maintains a specific posture is called a _______ _______. | prime mover
🗑
|
||||
| A _______ leads to a movement in the same direction which helps the prime mover function more efficiently by reducing unnecessary movement. | synergist
🗑
|
||||
| Muscle that counteracts the prime mover (lengthening when the prime mover contracts) is called a(n) _______. | antagonist
🗑
|
||||
| _______ work to stabilize the origin of the prime mover so that the prime mover can act more efficiently or eliminate unwanted motions. | stabilizers or fixators
🗑
|
||||
| Muscles that fix a joint in a given position during the movement of other joints are called _______. | fixators
🗑
|
||||
| The _______ _______ is the large mass of muscle that powers the work of the movement. | muscle belly
🗑
|
||||
| _______ contraction: muscle tension increases | isometric
🗑
|
||||
| _______ contraction: muscle length changes | isotonic
🗑
|
||||
| Muscles that control fine movements (fingers, eyes) have _______ motor units. | small
🗑
|
||||
| Large weight-bearing muscles (thighs, hips) have _______ motor units. | large
🗑
|
||||
| _______ _______ is the constant, slightly contracted state of all muscles, which does not produce active movements. | Muscle tone
🗑
|
||||
| The two types of isotonic contractions are _______ and _______. | concentric (the muscle shortens and does not work), eccentric (the muscle lengthens as it contracts)
🗑
|
||||
| In _______ chain joint movements, the proximal joint member is fixed or stable while the distal member moves. | open
🗑
|
||||
| In _______ chain joint movements, the distal joint member is fixed or stable while the proximal member moves. | closed
🗑
|
||||
| Reaching to grasp an object in space, or kicking a ball are examples of _______ chain movements. | open
🗑
|
||||
| The stance phase of walking involves _______ chain movements, as do riding from a chair or performing a pull up. | closed
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
sdouglass
Popular Anatomy sets