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Human Anatomy-Muscles
Muscles, Action, Insertions and origin
50
Anatomy
Undergraduate 1
03/28/2011

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Cards

Term
Skeletal Muscle Tissue
Definition

Long, Cylindrical, Multinucleate Cells with obvious striations

Funtion: Voluntary Movement

 

Term
Cardiac Muscle Tissue
Definition

Branching, Striated, generally uninucleate cells that are interdigitate at junctions. 

Function: Propels blood into circulation as it contracts.

Term
Smooth Muscle
Definition
[image]
Term

What is the Masseter's Origin, Insertion and Action?

 

Definition

Origin: Zygomatic Arch and Zygomatic Bone

Insertion: Angle and Ramus of Mandible

Action: Elevates Mandible

Term
What is the Sternocleidomastoid's Origin, Insertion and Action?
Definition

Origin: Manubrium of sternum and medial portion of clavicle.

Insertion: Mastoid process of temporal bone and superior line of occipital bone.

Action: Flexes and laterally rotates the head.

Term
What is the Deltoid's Origin, Insertion and Action?
Definition

Origin: Insertion of Trapezius, lateral third of clavicle, acronion and spine of scapula.

Insertion: Deltoid tuberosity of humerus.

Action: Prime mover of arm. Abduction when all fibers contract.

Term
What is the Pectoralis Major's Origin and Insertion?
Definition

Origin: Sternal end of clavicle, sternum cartlidge of ribs and aponeurosis of external oblique.

Insertion: Greater tuberacule of humerus.

Term
What is the Biceps Brachii's Origin and Insertion?
Definition

Origin: Coracoid process & supra slenoid tubericle.

Insertion: Radial Tuberosity 

Term
What is the Triceps Brachii's Origin and Insertion?
Definition

Origin:Fragmoid Tubericle of Scapula, Posterior shaft of humerus, radial groove.

Insertion: Olecranon process of Ulna

Term
What is the Flexor Carpi Radialis's Origin and Insertion?
Definition

Origin: Medial Epicondyle of Humerus

Insetion: Base of 2nd/3rd Metacarpals at wrist.

Term
What is the Extensor Digitorum's Origin and Insertion?
Definition

Origin: Lateral epicondyle of humerus

Insertion: Extensor expansions and distal phalange

Term
What is the Gluteus Medius' Origin and Insertion?
Definition

Origin: Lateral Ilius

Insertion: Greater Trochanter of Femur

Term
What is the Psoas Major's Origin and Insertion?
Definition

Origin: Lumbar Vertebrae.

Insertion: Lesser trochanter of femur.

Term
What is the Sartorius' Origin and Insertion?
Definition

Origin: Anterior Superior Iliac Spine

Insertion: Proximal Tibia

Term
What is the Semimembranosus' Origin and Insertion?
Definition

Origin: Iscial Tuberosity

Insertion: Medial condyle of Tibia, through the oblique of femur.

Term
What is the Gastrocnemius' Origin and Insertion?
Definition

Origin: Medial/Lateral condyle of femur.

Insertion: Posterior Calcaneus

Term
What is the Tibialis Anterior's Origin and Insertion?
Definition

Origin: Lateral Condyle of Tibia.

Insertion: Medial Cuneform and its 1st metatarsal 

Term
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Definition

Orbicularis Oris

Action: Closes Lips

Term
[image]
Definition

Orbicularis Oculi

Action: Closes Eye

Term
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Definition

Masseter

Action: Elevates Mandible

Term
[image]
Definition

Sternocleidomastoid

Neck Flexion, Head Rotation

Term
[image]
Definition

Rectus Abdominis

Flexes lumbar vertebral column, compress abdominal wall

Term
[image]
Definition

External Oblique

Compress abdominal wall; Lateral Flexion and Rotation of Vertebral column

Term
[image]
Definition

Rhomboid Major

Adducts and Rotates Scapula

Term
[image]
Definition

Trapezius

elevates or depresses Scapula; Adducts Scapula.

Term
[image]
Definition

Deltoid

Abducts, Rotation,Flexion and Extension of the arm

Term
[image]
Definition

Latissimus Dorsi

Extension, Adduction and Medially Rotates the arm

Term
[image]
Definition

Pectoralis Major

Flexes, Adducts and Medially Rotates the arm

Term
[image]
Definition

Teres Major

Extends, Adducts and Medially Rotates arm

Term
[image]
Definition

Supraspinatus

Abducts arm

Term
[image]
Definition

Infraspinatus

Adducts and Laterally Rotates arm

Term
[image]
Definition

Biceps Brachii

Supinates forarm

Flexes Elbow

Term
[image]
Definition

Brachialis

Flexes Elbow

Term
[image]
Definition

Triceps Brachii

Extends Elbow

Term
[image]
Definition

Flexor Carpi Radialis

Flexes wrist

Abducts the hand

Term
[image]
Definition

Flexor Carpi Ulnaris

Flexes wrist and adducts hand

Term
[image]
Definition

Extensor Digitorum

Extends wrist and fingers

abducts fingers

Term
[image]
Definition

Extensor Carpi Ulnaris

Extends wrist

adducts hand

Term
[image]
Definition

Adductor Longus

Adducts, Flexes and medially rotates thigh

Term
[image]
Definition

Psoas Major

Flexes Thigh

Flexes Vertebral Column

Term
[image]
Definition

Gracilis

Adducts, Flexes and Medially Rotates thigh

Term
[image]
Definition

Sartorius

Flexes, abducts, and laterally rotates thigh

Flexes Knee

Term
[image]
Definition

Rectus Femoris

Flexes thigh 

Extends Knee

Term
[image]
Definition

Vastus Laterallis

Extends knee

Term
[image]
Definition

Vastus Medialis

Extends Knee

Term
[image]
Definition

Gluteus Maximus

Extends, Abducts and Laterally rotates thigh

Term
[image]
Definition

Gluteus Medius

Abducts and medially rotates thigh

Term
[image]
Definition

Biceps Femoris

Extends and laterally rotates thigh

Flexes Thigh

Term
[image]
Definition

Semimembranosus

Extends and Medially rotates thigh

flexes knee

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