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 | |
Total Downloads | 69 |
Total Views | 147 |
LAB WORK, origin insertion action chart...
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...