Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

ANAT 711 bc mm.

QuestionAnswer
occupy intercostal spaces and elevate and depress ribs during breathing muscles of thoracic wall
run anteriorly and inferiorly, able to see more laterally, closer to the sternum they turn into an intercostal membrane external intercostal mm.
run posteriorly and inferiorly, deep to one other m., visible more medially internal intercostal mm.
run more vertically, deepest, seen on the internal thoracic wall innermost intercostal mm.
actions: adducts and medially rotates humerus, draws scapula anteriorly and inferiorly innervation: lateral and medial pectoral nn. pectoralis major m.
found on the deep surface of the anterior surface of the thoracic wall action: secures internal thoracic vessels innervation: intercostal nn. transversus thoracis m.
actions: draws scapula anteriorly and inferiorly against thoracic wall innervation: med. pectoral n. pectoralis minor m.
action: pulls scapula forward around thorax which allows for anteversion and protraction of arm innervation: long thoracic n. winging of scapula occurs from damage to this serratus anterior m.
all intrinsic laryngeal mm. are innervated by what n. recurrent laryngeal n.
m. fibers within the heart wall in the right atrium pectinate mm.
all muscles of what region are surrounded by investing fascia which is a thicker white fascia abdominal wall
actions: support and compress abdominal organs, flex and rotate trunk contralaterally innervation: thoracoabdominal nn. and subcostal n.. external oblique m.
actions: support and compress abdominal viscera, flex and rotate trunk contralaterally innervation: thoracoabdominal nn., subcostal nn., lumbar nn. internal oblique m.
actions: support & compress ab. viscera innervation: thoracoabdominal, subcostal, & lumbar nn. transversus abdominis m.
actions: support & compress abdominal viscera, flex lumbar vertebrae, stabilize & control pelvic tilt innervation: thoracoabdominal & subcostal nn. rectus abdominis m.
action: tenses linea alba innervation: subcostal n. pyrimidalis m.
m. of abdominal wall that is part of the anterior sheath above and below the arcuate line external oblique m.
m. of abdominal wall that is part of anterior and posterior sheaths above arcuate line and anterior sheath below arcuate line internal oblique m.
m. of abdominal wall that is part of the posterior sheath above the arcuate line and anterior sheath below arcuate line transversus abdominis m.
part of cremasteric fascia which is formed by int. oblique mm. action: draws testis superiorly in the scrotum, primarily in response to cold innervation: genital branch of genitofemoral n. cremaster m.
smooth m. of fat-free subcutaneous tissue of scrotum that is a superficial layer to cremaster m. and has insertions on skin dartos m.
relaxes when feet are up while sitting which allows for easier defecation, u-shaped sling at inferior aspect of pelvic diaphragm puborectalis m.
crosses in front of ala of sacrum and along pelvic brim, landmark for lumbar plexus nerves, action: flexion of hip psoas major m.
arises from surface of ilium and travels inferior until its fibers blend with psoas major to insert onto lesser trochanter, action: flexes hip iliacus m.
present on anterior surface of psoas major m., present in less than 50% of people, tendon inserts near iliopubic eminance, action: flexion of hip psoas minor m.
fills medial gap between last rib, iliac crest, and tip of lumbar transverse processes actions: depresses and stabilizes 12th rib as well as diaphragmatic contraction during inspiration quadratus lumborum m.
part of pelvic diaphragm/floor actions: support pelvic cavity contents, intra-abdominal pressure, flexes coccyx innervation: anterior rami coccygeus m.
makes up posterior boundary of pelvis actions: external rotation of thigh, thigh abduction, stabilizes head of femur innervation: n. to piriformis piriformis m.
makes up lateral wall, overlies obturator membrane and canal actions: external rotation of femur, abduction of flexed thigh, stabilization of hip joint innervation: n. to obturator internus obturator internus m.
composed of 3 muscles that are named by attachment, "slings" around anus levator ani m.
iliococcygeus, pubococcygeus, puborectalis levator ani mm.
part of pelvic diaphragm/floor actions: support pelvic cavity contents, intra-abdominal pressure resistance innervation: n. to levator ani, inferior rectal n., perineal branches of pudendal n. iliococcygeus, pubococcygeus, puborectalis
contributes to thickness of wall of bladder, begins to thin upon extension of bladder, described as bundles of smooth m., pushes urine against internal urethral sphincter detrusor m.
action: maintains erection by compressing outflow vv. innervation: deep branch of perineal n. lateral to erectile tissue ischiocavernosus m.
actions: supports and fixes perineal body and pelvic floor and assists in erection innervation: deep branch of perineal n. aides in emptying of spongy urethra during contraction, surrounds bulb of erectile tissue bulbospongiosus m.
primarily in males, pudendal n. found between mm. actions: supports and fixes perineal body and pelvic floor to support abdominopelvic viscera innervation: deep branch of perineal n. transverse perineal mm.
actions: resists defacation and constricts anal canal innervation: inferior rectal n. (branch of pudendal n.) external anal sphincter m.
action: compresses urethra to maintain urinary continence innervation: deep branch of perineal n. (branch of pudendal n.) internal urethral sphincter m.
Popular Anatomy sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards