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Details

Muscles
insertion and origin
62
Anatomy
Undergraduate 2
11/17/2010

Additional Anatomy Flashcards

 


 

Cards

Term
Occipitolfrontalis
Definition

Origin: Occipital

Insertion: Skin of Eyebrow, Nose

Action: Elevates Brows; Moves Scalp

Term
Orbicularis Oculi
Definition

Origin: Maxilla, Frontal

Insertion: Encircles Eye, Near Origin

Action: Closes Eyes

Term
Orbicularis Oris
Definition

Origin: Maxilla, Mandible

Insertion: Lips

Action: Closes Lips

Term
Buccinatior
Definition

Origin: Maxilla, Mandible

Insertion: Angle of Mouth

Action: Compresses Cheeks

Term
Zygomaticus
Definition

Origin: Zygomatic Bone

Insertion: Angle of Mouth, Upper Lip

Action: Elevates Angle of Mouth, Upper Lip

Term
Levator Labii Superioris
Definition

Origin: Maxilla

Insertion: Upper Lip, Nose

Action: Elevates Upper Lip, Nose

Term
Depressor Anguli Oris
Definition

Origin: Mandible

Insertion: Lower Lip Near Angle

Action: Depresses Angle of Mouth

Term
Temporalis
Definition

Origin: Temporal Aspect of Skull

Insertion: Mandible

Action: Closes Jaw

 

Term
Sternocleidomastoid
Definition

Origin: Sternum, Clavicle

Insertion: Mastoid Process (skull)

Action: Rotates, Extends Head

Term
Trapezius
Definition

Origin: Skull, Upper Vertebral Column

Insertion: Scapula

Action: Extends Head, Neck

Term
Masseter
Definition

Origin: Zygomatic Arch

Insertion: Mandible

Action: Medial Closes Jaw; Lateral Opens Jaw

Term
Erector Spinae
Definition

Origin: Vertebrae, Pelvis

Insertion: Superior Vertebrae, Ribs

Action: Holds Body Upright

Term
External Intercostals
Definition

Origin: Ribs

Insertion: Edge of Next Rid (inferiorly)

Action: Expands Thorax

Term
Internal Intercostals
Definition

Origin: Ribs

Insertion: Edge of Next Rib (superiorly)

Action: Compresses Thorax

Term
Rectus Abdominis
Definition

Origin: Pubis

Insertion: Inferior Thoracic Cage

Action: Flexes Waist

Term
External Abdominal Oblique
Definition

Origin: Inferior Thoracic Cage

Insertion: Midline of Abdomen

Action: Compresses Abdomen

Term
Internal Abdominal Oblique
Definition

Origin: Pelvis

Insertion: Midline of Abdomen

Action: Compresses Abdomen

Term
Transversus Abdominus
Definition

Origin: Vertebrae, Pelvis, Ribs

Insertion: Midline of Abdomen

Action: Compresses Abdomen

Term
Levator Scapulae
Definition

Origin: Vertebrae

Insertion: Scapula

Action: Extends Head, Neck; Rotates Scapula

Term
Rhomboideus
Definition

Origin: Vertebrae

Insertion: Scapula

Action: Retracts Scapula

Term
Serratus Anterior
Definition

Origin: Ribs

Insertion: Scapula

Action: Protracts Scapula

Term
Pectoralis Minor
Definition

Origin: Ribs

Insertion: Scapula

Action: Depresses Scapula

Term
Pectoralis Major
Definition

Origin: Ribs, Clavicle

Insertion: Humerus

Action: Adducts, Flexes Arm

Term
Teres Major
Definition

Origin: Scapula

Insertion: Humerus

Action: Extends, Adducts, Rotates Arm

Term
Latissimus Dorsi
Definition

Origin: Vertebrae

Insertion: Humerus

Action: Extends Arm

Term
Infraspinatus
Definition

Origin: Scapula

Insertion: Humerus

Action: Extends, Rotates Arm

Term
Supraspinatus
Definition

Origin: Scapula

Insertion: Humerus

Action: Abducts Arm

Term
Deltoid
Definition

Origin: Scapula, Clavicle

Insertion: Humerus

Action: Abducts Arm

Term
Triceps Brachii
Definition

Origin: Humerus, Scapula

Insertion: Ulna

Action: Extends Forearm

Term
Biceps Brachii
Definition

Origin: Humerus, Scapula

Insertion: Radius

Action: Flexes, Supinates Forearm

Term
Brachialis
Definition

Origin: Humerus

Insertion: Ulna

Action: Flexes Forearm

Term
Pronators
Definition

Origin: Humerus, Ulna

Insertion: Radius

Actions: Pronates Forearm

Term
Flexor Carpi Ulnaris
Definition

Origin: Humerus (medial epicondyle)

Insertion: Carpal Bone

Action: Flexes, Abducts Wrist

 

Term
Flexor Carpi Radialis
Definition

Origin: Humerus (medial epicondyle)

Insertion: Metacarpal Bones

Action: Flexes, Abducts Wrist

Term
Flexor Digitorum
Definition

Origin: Humerus (medial epicondyle, ulna, radius)

Insertion: Phalanges

Action: Flexes Fingers

Term
Brachioradialis
Definition

Origin: Humerus

Insertion: Radius (distal)

Action: Flexes, Pronates Forearm

Term
Extensor Carpi Ulnaris
Definition

Origin: Humerus (lateral epicondyle)

Insertion: Metacarpal Bones

Action: Extends, Abducts Wrist

Term
Extensor Carpi Radialis
Definition

Origin: Humerus (Lateral Epicondyle)

Insertion: Metacarpal Bones

Action: Extends, Abducts Wrist

Term
Extensor Digitorum
Definition

Origin: Humerus (lateral epicondyle)

Insertion: Phalanges

Action: Extends Fingers

Term
Iliosoas
Definition

Origin: Ilium, Vertebrae

Insertion: Femur

Action: Flexes Thigh

Term
Tensor Fasciae Latae
Definition

Origin: Hip

Insertion: Tibia

Action: Abducts Thigh

Term
Gluteus Maximus
Definition

Origin: Hip

Insertion: Femur

Action: Extends Thigh

Term
Gluteus Medius
Definition

Origin: Hip

Insertion: Femur

Action: Extends Thigh

Term
Rectus Femoris
Definition

Origin: Ilium

Insertion: Tibia

Action: Extends Led, Flexes Thigh

Term
Vastus Lateralis
Definition

Origin: Femur

Insertion:Tibia

Action: Extends Leg

Term
Vastus Medialis
Definition

Origin: Femur

Insertion: Tibia

Action: Extends Leg

Term
Sartorius
Definition

Origin: Ilium

Insertion: Tibia

Action: Flexes Thigh; Flexes, Rotates Leg

Term
Biceps Femoris
Definition

Origin: Ischium, Femur

Insertion: Fibula

Action: Flexes Leg, Extends Thigh

Term
Semimembranosus
Definition

Origin: Ischium

Insertion: Tibia

Action: Flexes Leg, Extends Thigh

Term
Semitendinosus
Definition

Origin: Ischium

Insertion:Tibia

Action: Flexes Leg, Extends Thigh

 

Term
Adductor Longus
Definition

Origin: Pubis

Insertion: Metatarsal Bones

Action: Extends (dorsiflexes) Foot

Term
Gracilis
Definition

Origin: Pubis

Insertion: Tibia

Action: Adducts Thigh

Term
Tibialis Anterior
Definition

Origin: Tibia

Insertion: Metatarsal Bones

Action: Extends (dorsiflexes) Foot

Term
Extensor Digitorum Longus
Definition

Origin: Tibia

Insertion: Phalanges

Action: Extends Toes

Term
Gastrocnemius
Definition

Origin: Femur

Insertion: Calcaneus

Action: (plantar) Flexes Foot

Term
Soleus
Definition

Origin: Tibia, Fibula

Insertion: Calcaneus

Action: (plantar) Flexes Foot

Term
Peroneus
Definition

Origin: Tibia, Fibula

Insertion: Tarsal, Metatarsal Bones

Action: Flexes, Everts Foot

Term
Levator Ani
Definition

Origin: Pubis, Ischium

Insertion: Sacrum, Coccyx

Action: Elevates Anus

Term
Ischiocavernosus
Definition

Origin: Ischium

Insertion: Clitoris or Penis

Action: Compresses Base of Clitoris or Penis

Term
Bulbospongiosus
Definition

Origin: Male: Bulb of Penis

Female: Central Tendon of Perineum

Insertion: Male: Central Tendon of Perineum

Female: Base of Clitoris

Action: Male: Constricts Urethra; Erects Penis

Female: Erects Clitoris

Term
Sphincter Externus Ani
Definition

Origin: Coccyx

Insertion: Central Tendon (median raphe)

Action: Closes Anal Canal

Term
Gluteus Maximus
Definition

Origin: Hip

Insertion: Femur

Action: Extends Thigh

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