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Side A ------ Side B
Zygomaticus major - Origin(Face and Neck) ------ Zygomatic bone
Zygomaticus major - Insertion(Face and Neck) ------ Angle of mouth
Zygomaticus major - Action(Face and Neck) ------ Elevates and abducts upper lip (as in laughing)
Sternocleidomastoid - Origin(Face and Neck) ------ Sternum, clavicle
Sternocleidomastoid - Insertion
(Face and Neck) ------ Mastoid process
Trapezius - Origin(Posterior Thorax) ------ Occipital bone, Vertebrae (spines of C7-T12)
Trapezius - Insertion
(Posterior Thorax) ------ Clavicle, Scapula (spine and acromion)
Trapezius - Action
(Posterior Thorax) ------ Elevates and depresses scapula; rotates scapula
Latissimus dorsi - Origin
(Posterior Thorax) ------ Vertebrae (spines of T7-L5), Ribs 8-12, sacral and iliac crests
Latissimus dorsi - Insertion
(Posterior Thorax) ------ Humerus (intertubercular groove)
Latissimus dorsi - Action
(Posterior Thorax) ------ Adducts, extends, and rotates arm (medially); Draws arm posteriorly
Pectoralis major - Origin(Anterior Thorax) ------ Clavicle (medial half), sternum (body), cartilages of ribs 2-6
Pectoralis major - Insertion
(Anterior Thorax) ------ Humerus (greater tubercle)
Pectoralis major - Action
(Anterior Thorax) ------ Adducts, flexes, and medially rotates arm
Deltoid - Origin
(Shoulder) ------ Clavicle, scapla (spine and acromion)
Deltoid - Insertion

(Shoulder) ------ Humerus (deltoid tuberosity)
Deltoid - Action

(Shoulder) ------ Abducts, flexes, extends, and medially and laterally rotates arm
Infraspinatus - Origin

(Shoulder) ------ Scapula (infraspinous fossa)
Infraspinatus - Insertion

(Shoulder) ------ Humerus (greater tuberosity)
Infraspinatus - Action

(Shoulder) ------ Lateral rotation of arm; adduction of arm
Biceps brachii - Origin(Upper Arm) ------ Scapula (supraglenoid tubercle), Scapula (coracoid process)
Biceps brachii - Insertion
(Upper Arm) ------ Radius (radial tuberosity)
Biceps brachii - Action
(Upper Arm) ------ Flexes forearm; Supinates forearm; Flexes arm
Triceps brachii - Origin
(Upper Arm) ------ Scapula (infraglienoid tubercle), humerus (lateral and posterior surface)
Triceps brachii - Insertion
(Upper Arm) ------ Ulna (olecranon process)
Triceps brachii - Action
(Upper Arm) ------ Extends forearm; extends arm
Flexor carpi radialis - Origin(Forearm) ------ Medial epicondyle of humerus
Flexor carpi radialis - Insertion
(Forearm) ------ Metacarpals II and III
Flexor carpi radialis - Action
(Forearm) ------ Flexes and abducts hand
Brachioradialis - Origins
(Forearm) ------ Lateral epicondyle of humerus
Brachioradialis - Insertion
(Forearm) ------ Styloid process of radius
Brachioradialis - Action
(Forearm) ------ Flexes forearm; supinates and pronates forearm
Rectus abdominis - Origin(Abdominal Wall) ------ Pubic crest, pubic symphysis
Rectus abdominis - Insertion
(Abdominal Wall) ------ Sternum (xiphoid process) and inferior ribs
Rectus abdominis - Action
(Abdominal Wall) ------ Flexes vertebral column; compresses abdomen
Gluteus maximus - Origin(Thigh) ------ Ilium
Gluteus maximus - Insertion
(Thigh) ------ Femur
Gluteus maxius - Action
(Thigh) ------ Extends thigh and rotates it laterally
Quadriceps femoris group - Origin
(Thigh) ------ Rectus femoris - ilium; Others - femur
Quadriceps femoris group - Insertion
(Thigh) ------ Tibia (Tibal ruberosity)
Quadriceps femoris group - Action
(Thigh) ------ Extends leg; Rectus femoris also flexes thigh
Sartorius - Origin
(Thigh) ------ Os coxa (anterior superior iliac spines)
Sartorius - Insertion
(Thigh) ------ Tibia (medial side of tibial tuberosity)
Sartorius - Action
(Thigh) ------ Flexes thigh and leg; rotates leg medially; rotates thight laterally
Gastrocnemius - Origin
(Thigh) ------ Femur (lateral and medial condyles)
Gastrocnemius - Insertion
(Thigh) ------ Calcaneus by way of Achilles tendon
Gastrocnemius - Action
(Calf) ------ Plantar flexes foot; flexes leg

Side A ------ Side B
Zygomaticus major - Origin(Face and Neck) ------ Zygomatic bone
Zygomaticus major - Insertion(Face and Neck) ------ Angle of mouth
Zygomaticus major - Action(Face and Neck) ------ Elevates and abducts upper lip (as in laughing)
Sternocleidomastoid - Origin(Face and Neck) ------ Sternum, clavicle
Sternocleidomastoid - Insertion
(Face and Neck) ------ Mastoid process
Trapezius - Origin(Posterior Thorax) ------ Occipital bone, Vertebrae (spines of C7-T12)
Trapezius - Insertion
(Posterior Thorax) ------ Clavicle, Scapula (spine and acromion)
Trapezius - Action
(Posterior Thorax) ------ Elevates and depresses scapula; rotates scapula
Latissimus dorsi - Origin
(Posterior Thorax) ------ Vertebrae (spines of T7-L5), Ribs 8-12, sacral and iliac crests
Latissimus dorsi - Insertion
(Posterior Thorax) ------ Humerus (intertubercular groove)
Latissimus dorsi - Action
(Posterior Thorax) ------ Adducts, extends, and rotates arm (medially); Draws arm posteriorly
Pectoralis major - Origin(Anterior Thorax) ------ Clavicle (medial half), sternum (body), cartilages of ribs 2-6
Pectoralis major - Insertion
(Anterior Thorax) ------ Humerus (greater tubercle)
Pectoralis major - Action
(Anterior Thorax) ------ Adducts, flexes, and medially rotates arm
Deltoid - Origin
(Shoulder) ------ Clavicle, scapla (spine and acromion)
Deltoid - Insertion

(Shoulder) ------ Humerus (deltoid tuberosity)
Deltoid - Action

(Shoulder) ------ Abducts, flexes, extends, and medially and laterally rotates arm
Infraspinatus - Origin

(Shoulder) ------ Scapula (infraspinous fossa)
Infraspinatus - Insertion

(Shoulder) ------ Humerus (greater tuberosity)
Infraspinatus - Action

(Shoulder) ------ Lateral rotation of arm; adduction of arm
Biceps brachii - Origin(Upper Arm) ------ Scapula (supraglenoid tubercle), Scapula (coracoid process)
Biceps brachii - Insertion
(Upper Arm) ------ Radius (radial tuberosity)
Biceps brachii - Action
(Upper Arm) ------ Flexes forearm; Supinates forearm; Flexes arm
Triceps brachii - Origin
(Upper Arm) ------ Scapula (infraglienoid tubercle), humerus (lateral and posterior surface)
Triceps brachii - Insertion
(Upper Arm) ------ Ulna (olecranon process)
Triceps brachii - Action
(Upper Arm) ------ Extends forearm; extends arm
Flexor carpi radialis - Origin(Forearm) ------ Medial epicondyle of humerus
Flexor carpi radialis - Insertion
(Forearm) ------ Metacarpals II and III
Flexor carpi radialis - Action
(Forearm) ------ Flexes and abducts hand
Brachioradialis - Origins
(Forearm) ------ Lateral epicondyle of humerus
Brachioradialis - Insertion
(Forearm) ------ Styloid process of radius
Brachioradialis - Action
(Forearm) ------ Flexes forearm; supinates and pronates forearm
Rectus abdominis - Origin(Abdominal Wall) ------ Pubic crest, pubic symphysis
Rectus abdominis - Insertion
(Abdominal Wall) ------ Sternum (xiphoid process) and inferior ribs
Rectus abdominis - Action
(Abdominal Wall) ------ Flexes vertebral column; compresses abdomen
Gluteus maximus - Origin(Thigh) ------ Ilium
Gluteus maximus - Insertion
(Thigh) ------ Femur
Gluteus maxius - Action
(Thigh) ------ Extends thigh and rotates it laterally
Quadriceps femoris group - Origin
(Thigh) ------ Rectus femoris - ilium; Others - femur
Quadriceps femoris group - Insertion
(Thigh) ------ Tibia (Tibal ruberosity)
Quadriceps femoris group - Action
(Thigh) ------ Extends leg; Rectus femoris also flexes thigh
Sartorius - Origin
(Thigh) ------ Os coxa (anterior superior iliac spines)
Sartorius - Insertion
(Thigh) ------ Tibia (medial side of tibial tuberosity)
Sartorius - Action
(Thigh) ------ Flexes thigh and leg; rotates leg medially; rotates thight laterally
Gastrocnemius - Origin
(Thigh) ------ Femur (lateral and medial condyles)
Gastrocnemius - Insertion
(Thigh) ------ Calcaneus by way of Achilles tendon
Gastrocnemius - Action
(Calf) ------ Plantar flexes foot; flexes leg