practical 2 actions

Question 1

gluteus maximus action?

Answer 1

extends, laterally rotates, and abducts thigh at hip joint

Question 2

gluteus medius action?

Answer 2

medially rotates and abducts thigh at hip joint

Question 3

gluteus minimus action?

Answer 3

medially rotates and abducts thigh at hip joint

Question 4

piriformis action?

Answer 4

laterally rotates and transversely abducts thigh at hip joint

Question 5

superior gemellus action?

Answer 5

laterally rotates and transversely abducts thigh at hip joint

Question 6

inferior gemellus action?

Answer 6

laterally rotates and transversely abducts thigh at hip joint

Question 7

obturator internus action?

Answer 7

laterally rotates and transversely abducts thigh at hip joint

Question 8

quadratus femoris action?

Answer 8

laterally rotates thigh at hip joint

Question 9

tensor fascia lata action?

Answer 9

assists in medial rotation, abduction, and flexion of thigh at hip joint

Question 10

biceps femoris long head action?

Answer 10

flexes and laterally rotates leg at knee joint, extends thigh at hip joint

Question 11

biceps femoris short head action?

Answer 11

flexes and laterally rotates leg at knee joint

Question 12

semimembranosus action?

Answer 12

flexes and medially rotates leg at knee joint, extends thigh at hip joint

Question 13

semitendinosus action?

Answer 13

flexes and medially rotates leg at knee joint, extends thigh at hip joint

Question 14

adductor magnus hamstring part action?

Answer 14

adducts, flexes and extends thigh at hip joint

Question 15

pectoralis major action?

Answer 15

adducts, medially rotates and transversely adducts arm at glenohumeral joint, depresses pectoral girdle at acromioclavicular and sternoclvaciular joints

Question 16

pectoralis minor action?

Answer 16

protracts and downwardly rotates pectoral girdle at acromioclavicular and sternoclavicular joints

Question 17

external intercostal action?

Answer 17

elevates ribs at their costovertebral joints, provide structural support to intercostal spaces

Question 18

internal intercostal action?

Answer 18

depress ribs at their costovertebral joints, provide structural support to intercostal spaces

Question 19

innermost intercostal action?

Answer 19

elevates ribs at their costovertebral joints

Question 20

transverse thoracis action?

Answer 20

depresses ribs and their costal cartilages

Question 21

subcostal action?

Answer 21

depress ribs at their costovertebral joints

Question 22

diaphragm action?

Answer 22

primary muscle of inspiration

Question 23

external oblique action?

Answer 23

flexes, laterally flexes, and rotates trunk, compresses and provides structural support to adjacent abdominal structures

Question 24

internal oblique action?

Answer 24

flexes, laterally flexes, and rotates trunk, compresses and provides structural support to adjacent abdominal structures

Question 25

transverse abdominal action?

Answer 25

compresses and provides structural support to adjacent abdominal structures

Question 26

rectus abdominis action?

Answer 26

flexes trunk, compresses and provides structural support to the adjacent abdominal structures

Question 27

pyramidalis action?

Answer 27

tenses linea alba

Question 28

psoas major action?

Answer 28

flexes thigh at hip joint, flexes trunk

Question 29

psoas minor action?

Answer 29

assists in flexion of the trunk

Question 30

iliacus action?

Answer 30

flexes thigh at hip joint, flexes trunk

Question 31

quadratus lumborum action?

Answer 31

extends and laterally flexes trunk, stabilizes twelfth rib during inspiration

Question 32

external anal sphincter action?

Answer 32

constricts anal canal

Question 33

obturator internus tendinous arch action?

Answer 33

laterally rotates and transversely abducts thigh at hip joint

Question 34

ischiococcygeus action?

Answer 34

provides structural support to adjacent pelvic structures

Question 35

iliococcygeus action?

Answer 35

provides structural support to adjacent pelvic structures, fecal continence

Question 36

pubococcygeus action?

Answer 36

provides structural support to adjacent pelvic structures, urinary and fecal continence

Question 37

puborectalis action?

Answer 37

provides structural support to adjacent pelvic structures, fecal continence