study guide for muscle test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Flexor muscle | bends a joint located on the anterior of the wrist
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deltoid | raises the arm laterally
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tricep brachii | extends the fore arm
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Quadriceps | rectus femoris, vastus lateralis, vastus medialis, vastus intermedialis
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hamstring | posterior thigh, bicep femoris, semitendonosis, semimebranosis
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Pectoralis major | located in the chest helps to adduct the arm
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erector spinae | back muscle that extends the spine
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Sternocleidomastoid | connects sternum to mastoid process, turns the head
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sarcomere | smallest contractile unit of the muscular system
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myosin | protein in the sarcomere that is located in the middle, and contains the cross bridges
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atrophy | decrease in muscle size
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hypertrophy | increase in muscle size
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bicep brachii | flexes the elbow and supinates the forearm
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sartorius | tailors muscle, helps you cross your leg
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masseter | jaw muscle helps you chew your food
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tibialis anterior | front of the lower leg, dorsiflexes and inverts the foot
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abduction | moving the limb away from the body. raising the arm laterally
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inversion | turning the sole of the foot medially
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isometric contraction | same length, example pushing on a wall
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isotonic contraction | same tension, example lifting weights
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lactic acid | waste product of anaerobic respiration, forms when oxygen is not available
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frontalis | produces lateral wrinkles on your forhead
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orbicularis oris | closes and protrudes the lips
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agonist | muscle that acts against the antagonist
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orbicularis oculi | muscle used for winking
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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.
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Created by:
TeresaGentry