Flash Cards For Lab #7

Front 1

Most skeletal muscles are attahced to bones by dense regular connective tissue forming cordlike _____ or membranous sheets called _____

Back 1

tendons
aoibeyrises

Front 2

When a muscle contracts, it causes movement at the joint that it crosses. This action includes one bony attachment fixed or stationary and is called the _____ while the other end of the muscle will move and is called the _____

Back 2

Origin
insertion

Front 3

Muscles are classified according to the functions they serve. A muscle that directly brings about a specific action is called a _____ or _____. Its partner moves the muscle in a directly opposing action and is called the _____. Remember these actions would be dependent on wheher we are considering flexion or extension

Back 3

prime mover
agonist
antagonist

Front 4

Explain Bell's palsy

Back 4

Bell's palsy is a viral infection that causes an inflammation of the facial nerve, and temporary paralysis of facial muscles

Front 5

Masseter

Back 5

O-zygomatic arch
I-ramus of mandible; raise manndible

Front 6

Temporalis

Back 6

O-temporal bone
I-coronoid prcess of mandible; raises mandible

Front 7

Trapezius

Back 7

O-occipital bone, spines of thoracic vertebrae
I-spine of scapula, clavicle; raises and rotates the scapula

Front 8

Sternocleidomastoid

Back 8

O-manubrium of sternum, and clavicle
I-mastoid of temporal bone; head flexion, tilting and rotation

Front 9

Pectoralis major

Back 9

O-clavicle, sternum
I-greater tubercle of humerous; arm flexion, throwing, pushing, climbing

Front 10

Digastric

Back 10

O-lower margin of mandible
I-deltoid tuberosity of humerus; arm abduction

Front 11

External intercostals

Back 11

O-inferior border of rib above
I-superior border of rib below; elevate the rib cage in inspiration

Front 12

Latissimus dorsi

Back 12

O-T6-L5, iliac crest, ribs and scapula
I--intertubercular groove of humerus; ar, extension, and arm adduction, hammering, swimming, striking a blow

Front 13

Biceps brachii

Back 13

O-coracoid process and lip of glenoid facet
I-radial tuberosity; flexes elbow joint; supination

Front 14

Triceps brachii

Back 14

O--lower glenoid facet of scapula and humerus
I-olecranon process of ulna, forearm extension

Front 15

External oblique

Back 15

O-lower eight ribs
I-linea alba and pubic crest; compression of abdominal wall and aid in trunk roation

Front 16

Internal oblique

Back 16

O-lumbar fascia; iliac crest
I-linea alba, pubic crest; compresses abdomeninal wall, trunk rotation

Front 17

Rectus abdominis

Back 17

O-pubic crest abd symphysis
I-xiphoid process; increases intra abdominal pressure

Front 18

Gluteus muscle

Back 18

O-ilium and sacrum
I-femur; thigh extension; climbing stairs and running

Front 19

Adductor femoris

Back 19

O-ischium and pubis
I-linea aspera of femur adducts and rotates thigh

Front 20

Biceps femoris

Back 20

O-ischiul tuberosity and femur
I-Head of fibula and lateral condyle of tibia; kneee flexion and thigh extension

Front 21

Semitendinosus

Back 21

O-ischial tuberosity
I-tibia; knee flexion; thigh extension

Front 22

Semimembranosus

Back 22

O-Ischial tubersity
I-Tibis; knee flexion and thigh extension

Front 23

Quadriceps femoris

Back 23

O-four heads, from ilium and femur
I-patella and tibia by means of patellar ligament; powerful kneee extensor

Front 24

Gracilis

Back 24

O-pubic bone
I-tibia; adducts thigh

Front 25

Gastrocnemius

Back 25

O-condyles of femur
I-calcaneus by calcaneous tendon; Plantar flexion of foot

Front 26

Tibialis anterior

Back 26

O-lateral condyle of tibia
I-Metatarsal bones; dorsiflexion of foot; inverts foot

Front 27

Diaphragm

Back 27

O-xiphoid prcess, transverse abdominis
I-central tendon

Front 28

_____ is the prime flexor of the arm, with _____ acting as asynergist

Back 28

pectoralis major
deltoid

Front 29

_____ is the prime extensor of the arm, with _____ and _____ acting as synergists

Back 29

Latissimus dorsi
teres major
deltoid

Front 30

Antagonist for the pectoralis major during arm flexion
Atangonist for the latissimus dorsi during arm extension

Back 30

Deltoid

Front 31

_____ is the prime mover for arm abduction, with _____ assisting

Back 31

deltoid
supraspinatus

Front 32

the 2 prime movers for adduction of the arm

Back 32

latissimus dorsi
pectoralis major

Front 33

antagonist of latissimus dorsi and pectoralis major during arm adduction

Back 33

deltoid

Front 34

carpaltunnel syndromoe

Back 34

characterized by compression of the median nerve caused by inflammation and swelling of the tendons passing through the carpal tunnel

Front 35

abduction

Back 35

moving away from the median plane, in a coronal plane

Front 36

adduction

Back 36

moving toward the median plane, in the coronal plane

Front 37

circumduction

Back 37

a circular motion that combines flexion, extension, abduction, and adduction; the distal end of the part being moved describes a circle

Front 38

dorsiflecion

Back 38

A bending action that elevates the sole, as when you stand on your heels

Front 39

eversion

Back 39

moving sole of foot away from median plane

Front 40

extension

Back 40

a straightening action that increases the andle between body part

Front 41

external rotation/ lateral rotation

Back 41

anterior surface of moving part is brought away from the median plane

Front 42

flexion

Back 42

a bending action that decreases the angle between body parts

Front 43

hyperextension

Back 43

Extension of a joint beyond its normal range of motion.

Front 44

internal rotation/medial roation

Back 44

anterior surface of moving part is brought toward the median plane

Front 45

inversion

Back 45

moving sole of foot toward median plane

Front 46

plantar flexion

Back 46

A bending action that elevates the heels, as when you stand on your toes

Front 47

pronation

Back 47

rotating the forearm and hand medially so that palm faces posteriorly

Front 48

rotation

Back 48

moving around long axis of bone

Front 49

supination

Back 49

rotating forearm and hand laterally so that palm faces anteriorly