UPPER MUSCLES. Muscles of the face and mastication 1.Masseter Action - Elevates mandible...

download UPPER MUSCLES. Muscles of the face and mastication 1.Masseter Action - Elevates mandible 2.Temporalis Action - Elevates mandible

of 12

  • date post

    23-Dec-2015
  • Category

    Documents

  • view

    229
  • download

    0

Embed Size (px)

Transcript of UPPER MUSCLES. Muscles of the face and mastication 1.Masseter Action - Elevates mandible...

  • Slide 1
  • UPPER MUSCLES
  • Slide 2
  • Muscles of the face and mastication 1.Masseter Action - Elevates mandible 2.Temporalis Action - Elevates mandible
  • Slide 3
  • Muscles of the anterior triangle of the neck 1.Digastric Action -Elevates hyoid bone 2.Mylohyoid Action -Elevates hyoid bone 3.Sternohyoid Action - Depresses hyoid bone and hence larynx 4.Sternothyroid Action - Depresses larynx 5.Thyrohyoid Action - Elevates larynx or depresses hyoid bone 6.Sternocleidomastoid Action - Flexes and laterally rotates cervical spine.
  • Slide 4
  • Muscles of the anterior triangle of the neck
  • Slide 5
  • Muscles that act on the scapula 1.Clavo-trapezius Action - Elevates and rotates scapula 2.Acromio-trapezius Action - Adducts scapula 3.Spinotrapezius Action - Depress scapula 4.Pectoralis Minor Action - Depress scapula 5.Levator scapulae Action - Elevate scapula 6.Serratus Anterior Action - Anterior rotation of scapula 7. Rhomboideus Action - Adducts scapula
  • Slide 6
  • Muscles that act on the scapula
  • Slide 7
  • Muscles that act on the arm 1.Pectoralis Major Action - Flex and adducts humerus 2.Clavo-deltoid Action - Flex humerus 3.Acromio-deltoid Action - Abduct humerus 4.Spino-deltoid Action - Extend humerus 5.Infraspinatus Action - Lateral rotation humerus 6.Supraspinatus Action - Abduct humerus 7.Subscapularis Action - Medial rotation humerus 8.Latissimus dorsi Action - Adduct humerus 9.Teres Major Action - Adduct humerus
  • Slide 8
  • Muscles that act on the arm
  • Slide 9
  • Muscles that act on the forearm (radius and ulna) 1. Triceps Brachii Action - Extend forearm 2.Biceps Brachii Action - Flex forearm 3.Brachialis Action - Flex forearm 4.Brachioradialis Action - Flex forearm 5.Pronator Teres Action - Pronation 6.Supinator Action - Supination
  • Slide 10
  • Muscles that act on the forearm (radius and ulna)
  • Slide 11
  • Muscles that act on the wrists, hands and fingers 1.Extensor Carpi radialis longus Action - Extend wrist 2.Extensor Carpi radialis brevis Action - Extend wrist 3.Extensor Carpi ulnaris Action - Extend wrist 4.Extensor Digitorum Action - Extend fingers 5.Extensor Digiti Minimi Action - Extends 5th digit 6.Flexor Carpi Radialis Action - Flex wrist 7.Flexor Carpi Ulnaris Action - Flex wrist 8.Palmaris Longus Action - Flex wrist 9. Flexor Digitorum Profundus Action - Flex fingertips 10. Flexor Digitorum Superficialis Action - Flex middle phalanges 11. Abductor Pollicis Brevis Action - Abduct thumb
  • Slide 12
  • Muscles that act on the wrists, hands and fingers