A&P 1 Chapter 10

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in an individual who complains of shin-splints, the affected muscles are located over the _____

anterior surface of the leg

the triceps brachii muscle attaches the olecranon process of the ulna crossing the posterios side of the elbow joint. that will allow the triceps to be a(n) ______ of the elbow joint

extensor

which muscle or muscles are synergistic with the diaphragm during inspiration?

external intercostals

even though they both insert on the calcaneus, what can the gastrocnemius muscle do that the soleus cannot?

flex the knee

which of the folloeing flexes and abducts the wrist?

flexor carpi radialis

the rectus muscles, which lie between the vertebral spine and the ventral midline, are important ______

flexors of the spinal column

which muscle or muscles can extend the ankle?

gastrocnemius and soleus

the names of the muscles of the tongue are readily identified because their descriptive names end in ______

glossus

which of the following muscles is involved in moving the thigh?

gluteus maximus

which muscles can cause abduction and medial rotation at the hip?

gluteus medius and minimus

what is the most poewrful and important muscle a person used when chewing food?

masseter

which of the following is a muscle involved in chewing?

masseter

the extensors that move the lower leg, commonly known as the quadriceps, include the ______

popliteus

the actions produced by arm muscles bu tNOT by leg muscles are _______

pronation and supination

which muscles arise on the humerus and the forearm and rotate the radius without producing either flexion or extension of the elbow?

pronator teres and supinator

marcia, a sprinter, pulls a hamstring muscle the day before a big race. which of the following muscles has she not injured?

rectus femoris

a pair of deep posterior trunk muscles that adduct the scapula and cause downward rotation of the scapula are the ______

rhomboid major and minor

which of the following muscle groups is associated with the vertebral column?

spinalis

the paired superficial muscle on the anterior and side of the neck that flexes the head and neck toward the chest is the ______

sternocleidomastoid

during swallowing, what muscles help you push a bolus of food from your throat to you esophagus?

superior, middle, and inferior pharyngeal constrictor muscles

which of the following is an axial muscle?

temporalis

which muscles maximize the efficient use of teeth during mastication?

temporalis, pterygoid, and masseter

what muscles and their tendons make up the rotator cuff?

the supraspinatus, infraspinatus, teres minor, and subscapularis muscles

which muscles elevates the shoulders, such as when you shrug your shoulders?

trapezius

which of the following is a muscle that positions the pectoral girdle?

trapezius

which of the following muscles does NOT flex the forearm?

triceps brachii

the muscular floor of the pelvic cavity is formed by muscles that make up the ______

urogenital and anal triangle

you are so happy that you received an A on your last anatomy and physiology exam that you broke into a big smile. what muscles helps you smile?

zygomaticus major

which of the folloeing is an appendicular muscle?

biceps femoris

the flexors that move the leg, commonly known as the hamstrings, include the _______

biceps femoris, semimembranous, and semitendinous

what is the name of the muscle that seperates the thoracic and the abdominopelvic cavities?

diaphragm

which muscle separates the thoracic and the abdominopelvic cavities

diaphragm

the superficial muscles of the spine are identified by subdivisions that include ______

iliocostalis, longissimus, and spinalis

tim is a new fathe and is not used to chaning diapers. he grimaces and purses his lips when he changes his son's diapers. which collection of muscles is he using to contort his mouth this way?

orbicularis oris and risorius

do you remember the tongue twister " sally sells seashells by the seashore"? of the collections of muscles below, which group or groups work together to provide the delicate movements of the tongue during speech?

palatoglossus, styloglossus, genioglossus, and hyoglossus muscles

the structural commonality of the rectus femoris and the rectus abdominis is that they are ______

parallel muscles whose fibers run along the axis of the body


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