Summary - complete - Lab work, origin insertion action chart PDF

Title Summary - complete - Lab work, origin insertion action chart
Course Anatomy of the Human Body
Institution University of Manitoba
Pages 8
File Size 210.3 KB
File Type PDF
Total Downloads 69
Total Views 147

Summary

LAB WORK, origin insertion action chart...


Description

MUSCLES IN THE HEAD + NECK MUSCLE

ORIGIN

INSERTION

ACTION

BUCCINATOR

Alveolar process of Orbicularis oris m. maxilla & mandible

Compresses cheek into the teeth for chewing

(EPICRANUS) FRONTALIS

Temporal bone

Skin of forehead + bone

Elevates eyebrows + scalp

(EPICRANUS) OCCIPITALIS

Occipital bone

Galea aponeurosis

Draws scalp back

MASSETER

Zygomatic arch + maxilla

Ramus of mandible

Elevation of mandible (chewing)

ORBICULARIS OCCULI

Frontal bone, lacriminal bone

Eyelids

Closes eyelids

ORBICULARIS ORIS

Maxilla + mandible

Skin around lips

Pucker lips

RISORIUS

Parotid fossa

Corner of mouth

Raises corner of mouth (smile)

STERNOCLEIDOMASTOID

Manubrium + medial portion of clavicle

Mastoid process

Tilts and rotates head

TEMPORALIS

Temporal lines of temporal bone

Coronoid process of mandible

Elevation + retraction of mandible

TRAPEZIUS

Cervical vertebrae

Scapula

Retract scapula

ZYGOMATICUS MAJOR

Zygomatic bone

Corner of mouth &upper lip

Raises the upper lip (smiling)

MUSCLES OF THE SHOULDER & WHOLE ARM MOVEMENT

MUSCLE

ORIGIN

INSERTION

ACTION

SERRATUS ANTERIOR

Ribs 1-8

Medial border of scapula

Laterally rotates and protracts scapula

TRAPEZIUS

Cervical vertebrae

Scapula

Retract scapula

DELTOID

Clavicle, scapula (spine and acromion process)

Humerus (Deltoid tubercle)

Shoulder abduction, flexion and extension

LATISSIMUS DORSI

Sacral and lumbar spines, ilium, ribslower 4, spinous processes, scapula

Humerus

Adduction, extension and medial rotation of arm

PECTORALIS MAJOR

Clavicle head, sternocostal head

Humerus

Adducts, flexes, and medially rotates arm

TERES MAJOR

Inferior angle of scapula

Crest of lesser tubercle of Humerus

Extends, adducts, and medially rotates arm

TERES MINOR

Middle part of the lateral border of the scapula

Inferior aspect of greater tubercle of Humerus

Laterally rotates the arm, weakly adducts the arm, helps stabilize shoulder

Continued….. MUSCLE

ORIGIN

INSERTION

ACTION

INFRASPINATIS

Scapula

Humerus

Arm rotation

SUPRASPINATUS

Scapula

Humerus

Adduction of arm

SUBSCAPULARIS

Subscapular fossa of the scapula

Lesser tubercle of Humerus

Medially rotates arm

SERRATUS ANTERIOR

Anterior surfaces of the first 8 or 9 ribs

Anterior surface of medial border of scapula

Abducts scapula and upwardly rotates it while abducting the arm

MUSCLES OF UPPER ARM ( FOREARM MOVEMENT)

MUSCLE

ORIGIN

BICEPS BRACHII

Long head: supraglenoid tubercle of the scapula Short head: scapula

BRACHIALIS

Ulna (tuberosity)

TRICEPS BRACHII

Long head: scapula Medial and lateral heads: Humerus

BRACHIORADIALIS

Lateral supracondylar ridge of the Humerus

INSERTION

ACTION

Radial tuberosity, bicipital aponeurosis to the fascia on the medial side of the forearm

Supination of forearm, flexion of forearm, flexion of arm (weak)

Humerus (anterior distal shaft)

Flexation of forearm (elbow flexation)

Ulna

Extension of elbow

Styloid process of the radius

Elbow flexation w forearm in neutral position

MUSCLES OF FOREARM (WRIST HAND & FINGER MOVEMENT)

MUSCLE PRONATOR TERES

ORIGIN Humeral head: superior portion of the medial epicondyle Ulnar head: coronoid process of the ulna

INSERTION

ACTION

Lateral aspect of the mid shaft of the radius

Pronates forearm and flexes elbow

FLEXOR CARPI RADIALIS

Medial epicondyle of Humerus

Bases of second and third metacarpals

Flexes and radial deviates (abducts) hand at wrist

PALMARIS LONGUS

Medial epicondyle of Humerus

Flexor retinaculum and palmar aponeurosis

Flexes hand at wrist and tenses palmar aponeurosis

FLEXOR CARPI ULNARIS

Medial epicondyle of Humerus

Pisiform, hook of hamate, & base of 5th metacarpal

Flexes and ulnar deviates (adducts) hand at wrist

Base of 2nd metacarpal (dorsal surface)

Extends and radial deviates (abducts) hand at wrist

EXTENSOR CARPI ULNARIS

Distal lateral supracondylar ridge

EXTENSOR DIGITORUM

Lateral epicondyle of Humerus

EXTENSOR CARPI RADIALIS BREVIS

Lateral epicondyle of Humerus

Distal phalanges via dorsal mechanism of digits 2-5 (extensor expansion) base of 3rd metacarpal (dorsal surface)

Extends wrist and fingers (middle plalanx of digits 2-5)

Extends and radial deviates (abducts) hand at wrist

MUSCLE

ORIGIN

INSERTION

ACTION

ILIACUS

Iliac fossa

Lesser trochanter of femur

Flexes hip

PSOAS MAJOR

All lumbar vertebrae

Lesser trochanter of femur

Flexes thigh; flexes trunk

TENSOR FASCIAE LATAE

Anterior portion of crest of ilium

Iliotibial tract

Flex, abduct, and medially rotate hip (thigh)

RECTUS FEMORIS

Anterior inferior iliac spine

Tibial tuberosity

Extension of leg

VASTUS LATERALIS

Lateral lip of linea apera

Tibilal tuberosity

Extension of leg

VASTUS MEDIALIS

Medial lip of linea aspera

Tibial tuberosity

Extension of leg

SARTORIUS

Asis

Proximal anteromedial aspect of tibial condyle

Flexes hip and knee, abducts and laterally rotates femur

ADDUCTOR LONGUS

Pubic bone

Linea aspera

Adducts, flexes hip (thigh)

ADDUCTOR MAGNUS

Rami of pubis is ischium

Linea aspera

Adducts hip

GRACILIS

Pubic bone

Medial surface of tibia

Flexes knee (leg), adduction of hip (thigh)

PECTINEUS

Pectin of pubis

Upper part of posterior femur

Adducts, flexes hip (thigh)

MUSCLE

ORIGIN

INSERTION

ACTION

GLUTEUS MAXIMUS

Posterior of ilium

Gluteal tuberosity/ iliotibal tract

Extension and lateral rotation of hip (thigh)

Iliac crest

Lateral surface of greater trochanter of femur

Abducts hip (thigh)

BICEPS FEMORIS (LONG HEAD)

Ischial tuberosity

Head of fibula

Extends thigh

BICEPS FEMORIS (SHORT HEAD)

Linea aspera of femur With the long head (they share a common tendon)

Flexes leg

SEMIMEMBRANOSUS

Ischial tuberosity

Posterior upper tibia

Flexes leg; extends thigh

SEMITENDINOSUS

Ischial tuberosity

Upper part of medial tibia

Flexes leg, extends thigh

GLUTEUS MEDIUS

MUSCLE EXTENSOR DIGITORUM LONGUS

ORIGIN Lateral condyle of tibia

INSERTION Dorsal surface, middle and distal planes of digits 2-5

ACTION Extends toes 2-5, dorsiflexes foot

TIBIALIS ANTERIOR

Lateral condyle, proximal tibia

Medial cuneiform and metatarsal 1

Dorsiflexes and inverts ankle (foot)

FIBULARIS (PERONEUS) LONGUS

Fibula, lateral condyle of tibia

Medial cuneiform and metatarsals 2

Plantar flexes and everts ankle (foot)

GASTROCNEMIUS

Condyles

Calcaneus

Plantar flexes and flexes knee

SOLEUS

Tibia and fibula

Calcaneus

Plantar flexion

MUSCLE

ORIGIN

INSERTION

ACTION

QUADRATUS LUMBORUM

Posterior iliac crest

Last rib and transverse processes of 1-4 lumbar vertebrae

Unilaterally:Laterally elevate the pelvis, laterally flex the vertebral column to the same side Bilaterally -fix the last rib during forced inhalation

RECTUS ABDOMINIS

Crest of pubis,

Ribs, sternum

Compress abdominal cavity

EXTERNAL ABDOMINAL OBLIQUE

Ribs 5-12

Iliac crest and pubis

Laterally rotates trunk...


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