Long, Cylindrical, Multinucleate Cells with obvious striations

Funtion: Voluntary Movement

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

Function: Propels blood into circulation as it contracts.

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

Origin: Zygomatic Arch and Zygomatic Bone

Insertion: Angle and Ramus of Mandible

Action: Elevates Mandible

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.

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.

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

Insertion: Greater tuberacule of humerus.

Origin: Coracoid process & supra slenoid tubericle.

Insertion: Radial Tuberosity 

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

Insertion: Olecranon process of Ulna

Origin: Medial Epicondyle of Humerus

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

Origin: Lateral epicondyle of humerus

Insertion: Extensor expansions and distal phalange

Origin: Lateral Ilius

Insertion: Greater Trochanter of Femur

Origin: Lumbar Vertebrae.

Insertion: Lesser trochanter of femur.

Origin: Anterior Superior Iliac Spine

Insertion: Proximal Tibia

Origin: Iscial Tuberosity

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

Origin: Medial/Lateral condyle of femur.

Insertion: Posterior Calcaneus

Origin: Lateral Condyle of Tibia.

Insertion: Medial Cuneform and its 1st metatarsal 

Orbicularis Oris

Action: Closes Lips

Orbicularis Oculi

Action: Closes Eye

Masseter

Action: Elevates Mandible

Sternocleidomastoid

Neck Flexion, Head Rotation

Rectus Abdominis

Flexes lumbar vertebral column, compress abdominal wall

External Oblique

Compress abdominal wall; Lateral Flexion and Rotation of Vertebral column

Rhomboid Major

Adducts and Rotates Scapula

Trapezius

elevates or depresses Scapula; Adducts Scapula.

Deltoid

Abducts, Rotation,Flexion and Extension of the arm

Latissimus Dorsi

Extension, Adduction and Medially Rotates the arm

Pectoralis Major

Flexes, Adducts and Medially Rotates the arm

Teres Major

Extends, Adducts and Medially Rotates arm

Supraspinatus

Abducts arm

Infraspinatus

Adducts and Laterally Rotates arm

Biceps Brachii

Supinates forarm

Flexes Elbow

Brachialis

Flexes Elbow

Triceps Brachii

Extends Elbow

Flexor Carpi Radialis

Flexes wrist

Abducts the hand

Flexor Carpi Ulnaris

Flexes wrist and adducts hand

Extensor Digitorum

Extends wrist and fingers

abducts fingers

Extensor Carpi Ulnaris

Extends wrist

adducts hand

Adductor Longus

Adducts, Flexes and medially rotates thigh

Psoas Major

Flexes Thigh

Flexes Vertebral Column

Gracilis

Adducts, Flexes and Medially Rotates thigh

Sartorius

Flexes, abducts, and laterally rotates thigh

Flexes Knee

Rectus Femoris

Flexes thigh 

Extends Knee

Vastus Laterallis

Extends knee

Vastus Medialis

Extends Knee

Gluteus Maximus

Extends, Abducts and Laterally rotates thigh

Gluteus Medius

Abducts and medially rotates thigh

Biceps Femoris

Extends and laterally rotates thigh

Flexes Thigh

Semimembranosus

Extends and Medially rotates thigh

flexes knee