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Muscle origin, insertion, action

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이 집합의 용어 (72)

  • Buccinator

    Compress cheek

  • Orbicularis oris

    Close and purse lips

  • Orbicularis oculi

    Close eyelids

  • Risorius

    Draw corners of the mouth laterally

  • Zygomaticus major

    Origin: zygomatic bone

    Action : elevate corner of mouth (smile)

  • Zygomaticus minor

    Origin: zygomatic bone

    Action: elevates upper lip

  • Platysma

    Action: depress mandible

  • Occipitofrontalis

    Elevates eyebrows (wrinkles forehead)

  • Depressor anguli oris

    Depress and draw corner of mouth laterally

  • Masseter

    Origin: zygomatic arch

    Insertion: angle and ramus of mandible

    Action: elevate mandible

  • Temporalis

    Origin: temporal fossa

    Insertion: coronoid process of mandible

    Action: elevate mandible

  • Lateral pterygoid

    Origin: lateral pterygoid process

    Insertion: Mandibular condyle

    Action: anterior and side to side movement of mandible

  • Medial pterygoid

    Origin: Medial pterygoid process

    Insertion: medial surface of mandible at angle

    Action: anterior and side to side movement of mandible

  • Sternocleiodmastoid

    Origin : manubrium and medial clavicle

    Insertion: mastoid process

    Action: flexion, lateral flexion and rotation of neck

  • Trapezius-upper

    Origin: occipital bone and ligamentum nuchae

    Insertion: lateral end of clavicle

    Action: extension at neck, elevate scapula

  • Trapezius-middle

    Origin: spinous processes of thoracic vertebrae

    Insertion: acromion of scapula

    Action: retract scapula

  • Trapezius-lower

    Origin: spinous processes of thoracic vertebrae

    Insertion: scapular spine

    Action: depress/rotate scapula

  • External intercostals

    Origin: inferior border of the rib above

    Insertion: superior border of the rib below

    Action: elevate ribs (inhale)

  • Internal intercostals

    Origin: super border of the rib below

    Insertion: inferior border of the rib above

    Action: depress ribs ( exhale)

  • Diaphragm

    Insertion: central tendon

    Action: change volume of thoracic cavity ( primary mover for inhalation)

  • Recuts abdominus

    Action: compress abdominal wall, flex vertebral column

  • Transverse abdominus

    Compress abdominal wall

  • External oblique

    Compress abdominal wall, trunk rotation, lateral flexion of lumbar vertebrae

  • Internal oblique

    Compress abdominal wall, trunk rotation, lateral flexion of lumbar vertebrae

  • Latissimus dorsi

    Origin: inferior thoracic vertebrae thru sacral vertebrae, ribs. 8-12, thoracolumbar fascia

    Insertion: inertubercular groove of humerus

    Action: extend, abduct, and medially rotate humerus, trunk rotation

  • Erector spinal group

    Extension and lateral flexion of vertebral column, postural muscle

  • Quadratic lumbnorum

    Action: lateral flexion of spine, depress ribs

  • Ilia is

    Origin: iliac fossa

    Insertion: lesser tronchanter of femur

    Action : flexion of vertebral column

  • Psoas major

    Origin: T12-L5

    Insertion: lesser trochanter of humerus

  • Levator scapulae

    Origin: C1-C4

    Insertion: superior angle of scapula

    Action: elevates scapula

  • Rhomboideus major and minor

    Insertion: medial border of scapula

    Action adductor and medial rotation of scapula

  • Serratus anterior

    Action: pull scapula forward and glenoid cavity upward

  • Pectoral is major

    Insertion: humerus at intertubercular sulcus

    Action: flexion and adductor humerus, pull scapula forward and glenoid cavity down

  • Coracobrachialis

    Origin: coracoid process of scapula

    Action: flexion and adduct humerus

  • Deltoid

    Origin: lateral clavicle, acormion process and scapular spine

    Insertion: deltoid tuberosity

    Action: lateral and medial rotation, abduction and flexion of humerous

  • Teres major

    Origin: inferior angle of scapula

    Insertion: intertubercular sulcus

    Action: adduct humerus, rotate laterally

  • Supraspinatus

    Origin: supaspinois fossa of scapula

    Insertion greater tubercle of humerus

    Action; abduct and rotate humerus laterally

  • Infraspinatus

    Origin: Infraspinous fossa of scapula

    Insertion: greater tubercle of humerus

    Action: rotate humerus laterally

  • Teres minor

    Origin: lateral border of scapula

    Insertions: greater tubercle of humerus

    Action: rotate humerus laterally

  • Subscapularis

    Origin: Subscapularis fossa of scapula

    Insertion: lesser tubercle of humerus

    Action: adduct, rotate humerus medially

  • Pectoralis minor

    Insertion: coracoid process of scapula

  • Biceps brachial- long

    Origin: supraglenoid tubercle of scapula

    Insertion: radial tuberosity

    Action: flex elbow and shoulder

  • Bicep brachi- short

    Origin: coracoid process of scapula

    Insertion: radial tuberosity

    Action: flex elbow and shoulder

  • Brachialis

    Insertion: coronoid process of ulna and ulnar tuberosity

    Action: flexion elbow

  • Brachioradialis

    Insertion: radial styloid process

    Action: flex elbow

  • Pronator teres

    Action: Pronates forearm and hand, flexion at elbow

  • Supinator

    Action: supinates forearm

  • Flexor digitorum superficialis

    Origin: medial epicondyle of humerus

    Actions: flexion digits of wrist

  • Flexor carpi ulnaris

    Origin: medial epicindyle of humerus

    Actions: flex and adduct at wrist

  • Flexor carpi radialis

    Origin: medial epicondyle of humerus

    Action: flex and abduct wrist

  • Extensor digitorum

    Origin: lateral epicondyle of humerus

    Actions: extension of fingers

  • Extensor Carli radials

    Origin: lateral epicondyle of humerus

    Actions: extends and abducts wrists

  • Extensor carpi ulnaris

    Origin: lateral epicondyle of humerus

    Action: extend and adduct at wrist

  • Gluteus Maximus

    Action: extend and rotate hip laterally

  • Gluteus medius

    Action: abduct and rotate hip medially

  • Tensor facia latae

    Origin: iliac crest and anterior superior iliac spine

    Insertion: iliotibial tract

    Action: abduct at hip

  • Gracilis

    Origin : inferior pubic ramus

    Insertion: medial tibia

    Action: adduct thighs at hip

  • Pectineus

    Origin: superior public ramus

    Insertions: linea aspera

    Action: adduct thigh at hip

  • Adductor longus

    Origin: inferior public ramus

    Inersion: linea aspera

    Action: adduct thigh at hips

  • Adductor magnus

    Origin: inferior public ramus

    Insertion: linea aspera

    Action adduct thigh at hip

  • Rectus femoris

    Origin : anterior inferior iliac spine

    Insertion: patella

    Action: flexion at hip, extension at knee

  • Vastus lateralis

    Origin: linea aspera

    Insertion: patella

    Action: extension at knee

  • Vastus medialis

    Origin : linea aspera

    Insertion: patella

    Action: extension at knee

  • Vastus intermedius

    Insertion: patella

    Action adduct: extension at knee

  • Bicep femoris

    Origin: ischial tuberosity and linea aspera

    Action: extension at hip and flexion at knee

  • Semitendinosus

    Origin ischial tuberosity

    Action: extension at hip and flexion at knee

  • semimebranosus

    Origin ischial tuberosity

    Action: extension at hip and flexion at knee

  • Sartorius

    Origin: superior anterior iliac spine

    Action: abduct and rotate thigh laterally, flex hip and knee

  • tibialis anterior

    dorsi flex foot at ankle

  • Fibularis longus

    Plantar flex foot at ankle

  • Gastrocnemius

    Instertion: calcaneal via calcaneal tendin

    Action: plantar flex foot at ankle

  • Soleus

    Insertion: calcaneous via calcaneal tendon

    Action: plantar flex foot at ankle