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UND / OTHER / ANA L 204 / What is palmaris longus?

What is palmaris longus?

What is palmaris longus?

Description

School: University of North Dakota
Department: OTHER
Course: Anatomy Laboratory
Professor: Ethan snow
Term: Spring 2017
Tags: anatomy and lab
Cost: 50
Name: Anatomy Lab Study Guide #1
Description: These notes cover what will be on the block 1 exam!
Uploaded: 02/12/2017
10 Pages 34 Views 1 Unlocks
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*For cadaver help, go to Human Anatomy Table of Contents Suny Downstate Medical CenterWe also discuss several other topics like Who is jane addams?
Don't forget about the age old question of Who was a slave trader then became a slave?

Know Skeletal Bones Labs 1-4

Lab 5: Axial Muscles

  1. Facial expression muscles (pgs 516-517)
  • Occipitofrontalis, frontal belly (A.K.A. Frontalis)
  • Forehead
  • Occipitofrontalis, occipital belly (A.KA. Occipitalis)
  • bottom back of head
  • Zygomaticus major
  • Runs diagonal to cheek
  • Buccinator
  • Deep to zygomaticus major
  •  Orbicularis oculi
  • Surrounds eyeball
  • Action: closed the eyelids
  • Orbicularis oris
  • Surrounds mouth
  • Action: compresses and protrudes the lips
  •  Levator labii superioris
  •  Runs parallel to nose
  • Action: elevates the upper lip
  •  Depressor labii inferioris
  •  Chin, deep to depressor anguli oris
  •  Action: pulls the lower lip inferiorly and laterally
  •  Levator anguli oris
  • Inferior to levator labii superioris
  •  Action: elevates the angle of the mouth
  •  Depressor anguli oris
  •  Chin, superficial to depressor labii inferioris
  •  Action: pulls the angle of mouth inferiorly and laterally

 

  1. Muscles of mastication (pgs 522-523)
  • Temporalis
  • Side of head
  • Know the origin, insertion and action

  • Masseter
  • Back of jaw to cheekbone
  • Know the origin, insertion and action
  • Medial pterygoid
  • Goes through middle of medial pterygoid
  •  Lateral pterygoid
  • Connects to condylar head to middle of lateral pterygoid

 We also discuss several other topics like How is gaussan surface computed?

C. Muscles of the neck (pgs. 619-621)

  • Platysma
  • Nap of skin on neck and chin
  • Sternocleidomastoid
  • Runs parallel to neck
  • Know origin, insertion, and action
  • Scalenes (anterior, posterior, and middle)
  • Attached to scalene tubercle (first rib)

 We also discuss several other topics like How can one create an equation where the graph will show vertical line?

D. Muscles of the back (pg.33)

  • Spinalis
  • Runs along spinous processes of vertebrae
  •  Iliocostalis
  • Most lateral muscle group, parallel to spine
  • Longissimus
  • In between spinalis and iliocostalis, runs parallel to spine

 Don't forget about the age old question of Which kind of acid removes a proton from a carbon next to the carbonyl group?

E. Muscles of the Thorax (pg.63)

  • External intercostals
  • Point inward, hands in pockets, ribs
  • Internal intercostals
  • Point outward, ribs
  • Transversus thoracis (A.K.A. internal thoracic)
  • Attach sternum to ribs

 If you want to learn more check out What are net gains?

F. Muscles of the abdomen

  • Rectus abdominis
  • Abs
  • Linea alba
  • Attaches to xiphoid process and public symphysis, parallel to spine
  • External oblique
  • Point outward, smaller than external oblique
  • Transversus abdominis
  • Runs laterally compared to obliques

 

Lab 6:

G. Muscles of Upper Limb 

  • Muscles of the shoulder and arm (pg. 304-304)
  • Rhomboid major:                         deep back muscle, inferior to minor
  • Rhomboid minor:                         deep back muscle, superior to major
  • Levator scapulae:                         attached neck to shoulder
  • Teres major:                                 runs into armpit
  • Serratus anterior:                         inferior to teres major, fibers run into pockets
  • Trapezius-superficial muscle:         runs from neck to middle of back
  • Latissimus Dorsi:                         runs diagonal into armpit
  • Pectoralis major:                         neck muscle superficial
  • Pectoralis minor:                         runs diagonal to coracoid process, deep to pectoralis major
  • Deltoid:                                 tip of the shoulder, surrounds it, superficial
  • Know origin, insertion and action
  • Biceps brachii:                         long head, lateral to short head
  • Short head: medial to long head
  • Coracobrachialis:                         deep to short head biceps brachii
  • Know origin, insertion and action
  • Brachialis:                                 deep to biceps brachii
  • Triceps brachii:                         tricep area, posterior

  • Rotator cuff muscles (pg 313)
  • Supraspinatus:                         in supraspinatus fossa
  • Infraspinatus:                                 posterior, in infraspinatus fossa
  • Subscapularis:                         anterior, in subscapular fossa
  • Teres minor:                                 inferior to infraspinatus

 

H. Muscles of the forearm

  • Brachioradialis:                         anterior, closest to thumb side
  • Palmaris longus:                         runs down to middle finger
  • Flexor digitorum superficialis:         runs down forearm and to knuckles of fingers
  • Flexor digitorum profundus:                 deep to superficialis, one uniform muscle on forearm
  • Flexor pollicis longus:                 radial side, thumb
  • Flexor carpi radialis:                         base of 2 and 3 metacarpal
  • Flexor carpi binaris:                         base of 5 metacarpal and medial side of hand
  • Extensor carpi radialis longus:         opposite side of elbow, runs down to base of 2 metacarpal
  • Extensor carpi radialis brevis:         left of longus, runs down to base of 3 metacarpal
  • Extensor carpi ulnaris:                 runs along ulnar and ends at 5 metacarpal base
  • Extensor digitorum:                        right of carpi ulnaris, runs along digits
  • Extensor indicis:                         bottom half of posterior forearm, 2 metacarpal
  • Extensor pollicis longus:                 middle of bottom posterior forearm
  • Abductor pollicis longus:                 to the right of pollicis longus
  • Supinator:                                 deep to carpi radialis longus and brevis
  • Pronator teres:                         deep to carpi radialis longus and below supinator
  • Pronator quadratus:                         anterior, deep to flexor digitorum superficialis, on wrist

 

 

 

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