Muscle Insertion& Origin Flashcards Preview

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Flashcards in Muscle Insertion& Origin Deck (35)
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0
Q

Zygomaticus

A

O- zygomatic bone
I- corner of mouth

Smiling

1
Q

Frontalis

A

O - galea aponeurotica
I - skin of eyebrows/nose

Raise eyebrows

2
Q

Orbicular oculi

A

O- frontal/maxillae
I- eye tissue

Winking/blinking

3
Q

Orbicular oris

A

O- max/mand
I- encircles mouth

Picking lips

4
Q

Masseter

A

Zygomatic process
I- ramus

Lifts mandible

5
Q

Temporalis

A

O- temporal bone
I- temporal bone

Lifts mandible - retracts

6
Q

Sternocleidomastoid

A

O- sternum clavicle
I- mastoid process.

Flex neck

7
Q

Splenius

A

O- spine
I- mastoid process

Extension of neck

8
Q

Rectus abdominus

A

O- pubis
I - sternum ribs

Flexion and rotation of waste
Stabilizes pelvis

9
Q

External obliques

A

O- lower ribs
I- pelvis

Rotate and lateral Flexion of waist

10
Q

Internal oblique

A

O- pelvis
I- ribs

Rotation and lateral Flexion at waist

11
Q

Diaphragm

A

O- edge of lower ribs
I- central tendon

Inspiration, increase thorax volume

12
Q

External intercostals

A

O - bottom
I- top

Inspiration, raises rib cage

13
Q

Internal intercostals

A

O-top
I- bottom

Expiration lowers cage

14
Q

Pectoralis major

A

O- clavicle, sternum, ribs
I- humerus

Inspiration forced

15
Q

Trapezius

A

O- verterbrae, occipital bone
I - clavicle and scapula

Rotates scapula

16
Q

Deltoid

A

Clavicle, scapula
I- humerus

Flexion of arm
Rotation
Abduction

17
Q

Pectoralis major

A

O- clavicle, sternum, ribs
I humerus

Arm flexion, rotation, adduction

18
Q

Latissimus Dorsi

A

o- vertebrae ribs pelvis
I humerus

Abduction medially rotates arm extension

19
Q

Biceps brachii

A

O-scapula
I- radius

Flexion of elbow

20
Q

Triceps brachii

A

O- scapula humerus
I-ulna

Extension of elbow

21
Q

Brachialis

A

O- humerus
I- ulna

Flexion of forearm

22
Q

Psoas major

A

O- t12 lumbar
I- femur

Flex trunk on thigh
Hip flexer

23
Q

Iliacus

A

O-pelvis
I-femur

Hip flexer, flex trunk on thigh

24
Q

Rectus femoris

A

O- pelvis
I- tibia patellar lig

Knee extension Flexion at hip

25
Q

Vastus lateralis

A

O- femur
I- tibia

Extends knee stabilizes knee

26
Q

Vastus intermedia

A

O- femur
I- tibia

Extends knee

27
Q

Vastus medialis

A

I-femur
I- tibia

Extends knee

28
Q

Sartorius

A

0- pelvis
I- tibia

Flexes and laterally rotates thigh

29
Q

Gluteus Maximus

A

0-pelvis
I- femur

Hip extensor

30
Q

Gluteus minimus/medias

A

O-ilium
I - femur

Abducts and rotates thigh

31
Q

Bicep femoris

A

O- pelvis and femur
I- fibula

Laterally flexes knee and extends thigh

32
Q

Semitendinous

A

Pelvis
I- femur

Extends thigh, flexes knee and medially rotates leg

33
Q

Semimembranous

A

0-pelvis
I-tibia

Extends thigh, flexes knee and and medially rotates leg

34
Q

Garstrocnemius

A

O-femur
I-calcaneous

Plantar flexes foot