Gross Anatomy of the Muscular System - …

1 REVIEW SHEET exercise15 Gross Anatomy of theMuscular SystemReview Sheet 15181 Classification of Skeletal criteria were given relative to the naming of muscles . Match the criteria (column B) to the muscle names (columnA). Note that more than one criterion may apply in some AColumn B1. gluteus maximusa. action of the muscle2. adductor magnusb. shape of the muscle3. biceps femorisc. location of the origin and/or insertion of the muscle4. transversus abdominisd. number of origins5. extensor carpi ulnarise. location of the muscle relative to a bone or body region6.

2 Trapeziusf. direction in which the muscle fibers run relative to some imaginary line7. rectus femorisg. relative size of the muscle8. external muscles are discussed relative to the manner in which they interact with other muscles , the terms shown in the key areoften used. Match the key terms with the appropriate :a. antagonistb. fixatorc. prime moverd. synergist1. agonist2. postural muscles , for the most part3. reverses and/or opposes the action of a prime mover4. stabilizes a joint so that the prime mover may act at more distal joints5.

3 Performs the same movement as the prime mover6. immobilizes the origin of a prime moverNAME _____LAB TIME/DATE _____e, ga, gd, ee, fa, c, ebe, fe, fc; prime moverb; fixatora; antagonistd; synergistd; synergistb; fixatorighapmLre15pg181_188 5/12/04 1:07 PM Page 181 impos03 302:bjighapmL:ighapmLrevshts:layouts:Mus cles of the Head and choices from the list at the right, correctly identify muscles provided with leader lines on the anguli labii labii major and the terms provided above, identify the muscles described used in smiling2.

4 Used to suck in your cheeks3. used in blinking and squinting4. used to pout (pulls the corners of themouth downward)5. raises your eyebrows for a questioningexpression182 Review Sheet 156. used to form the vertical frowncrease on the forehead7. your kisser 8. prime mover to raise the lowerjawbone9. tenses skin of the neck duringshavingCranial aponeurosis(galea aponeurotica)najcebkglacdhknfjbeigmtempo ralislighapmLre15pg181_188 5/12/04 1:07 PM Page 182 impos03 302:bjighapmL:ighapmLrevshts:layouts:Mus cles of the identify both intact and transected (cut) muscles depicted in the diagram, using the terms given at the right.

5 (Notall terms will be used in this identification.) (cut) major (cut) abdominism. the key provided in question 5 above, identify the major muscles described a major spine flexor2. prime mover for pulling the arm posteri-orly3. prime mover for shoulder major responsibility for formingthe abdominal girdle (three pairs of mus-cles) the shoulder backward and downward6. prime mover of shoulder abductionReview Sheet in shoulder adduction; an-tagonists of the shoulder abductor (twomuscles)8.

6 Moves the scapula forward anddownward9. small, inspiratory muscles between theribs; elevate the ribs10. extends the the scapulae mediallyRadiusBursaCoracoid processClavicleSternum6th riblijf, h, ridi, jnesmajdcoqpknegbighapmLre15pg181_188 5/12/04 1:07 PM Page 183 impos03 302:bjighapmL:ighapmLrevshts:layouts:Mus cles of the Upper terms from the list on the right, correctly identify all muscles provided with leader lines in the diagram. (Note that notall the listed terms will be used in this exercise.) carpi radialis carpi carpi digitorum pollicis teresm.

7 The terms provided in question 1 to identify the muscles described Sheet 15 Medialepicondyleof humerusfasciaFlexor retinaculumPalmar aponeurosisa, mab, cnfanblcdfjghik1. places the palm upward (two muscles )2. flexes the forearm and supinates the hand3. forearm flexors; no role in supination (twomuscles)4. elbow extensor5. power wrist flexor and abductor6. flexes wrist and middle phalanges7. pronate the hand (two muscles )8. flexes the thumb9. extends and abducts the wrist10. extends the wrist and muscle that is a weak wrist flexorhk, lidejighapmLre15pg181_188 5/12/04 1:07 PM Page 184 impos03 302:bjighapmL:ighapmLrevshts:layouts:Mus cles of the Lower the terms listed to the right, correctly identify all muscles provided with leader lines in the diagram below.

8 (Not alllisted terms will be used in this exercise.) digitorum hallucis fasciae the key terms in exercise 9 to respond to the descriptions flexes the great toe and inverts the ankle2. lateral compartment muscles that plantarflex and evert the ankle (two muscles ) the thigh laterally to take the atease stance (two muscles )4. used to extend the hip when climbing stairs5. prime movers of ankle plantar flexion (twomuscles)6. major foot inverterReview Sheet 151857. prime mover of ankle you to draw your legs to themidline of your body, as when stand-ing at attention9.

9 Extends the toes10. extend thigh and flex knee (three mus-cles) knee and flexes thighHead offibulaLateralmalleolus5th metatarsalInterior extensorretinaculumSuperior extensorretinaculumfd, ei, nhg, mpoacb, k, ljqbcoedfmgighapmLre15pg181_188 5/12/04 1:07 PM Page 185 impos03 302:bjighapmL:ighapmLrevshts:layouts:Gen eral Review: Muscle the lettered muscles in the diagram of the humananterior superficial musculature by matching the letterwith one of the following muscle names:1. adductor longus2. biceps brachii3. brachioradialis4.

10 Deltoid5. extensor digitorum longus6. external oblique7. fibularis longus8. flexor carpi radialis9. flexor carpi ulnaris10. gracilis13. iliopsoas14. internal oblique15. latissimus dorsi16. masseter17. orbicularis oculi18. orbicularis oris19. palmaris longus20. pectineus21. pectoralis major22. platysma23. pronator teres24. rectus abdominis25. rectus femoris26. sartorius27. serratus anterior28. soleus29. sternocleidomastoid186 Review Sheet 15auvwxyzaabbccddeeffgghhiijjkkllmmbcdeg hijklmnopqrstf30.