33 terms

Musclesof Mastication, move the tongue, move the head, of abdominal wall,used in breathing

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Masseter
Elevates Mandible.... O-zygomatic bone... I- mandibil
Temporalis
Elevates and retracts mandible... O-Temporal... I- mandibile
Stylohyoid
elevates and retracts tongue... O-Styloid process of Temporal Bone... I-Hyoid
Styloglossus
retracts and elevates tongue... O-Styloid of Temporal bone... I-Tongue
Hypoglossus
depresses tongue... O-Hyoid... I-Tongue
Sternocleidomastoid
Rotated head to oppisite side; contraction of both flexes head.. O-Sternum, Clavicle... I-Mastoid process temporal bone
Splenius capitus
Rotates head to same side; contraction of both will extend head... O-Vertebrae ...I-mastoid of temporal
External oblique
Laterally flexes vertebral column; both compresses abdomen
Internal Oblique
Both ompresses abdomen; laterally flexes vertebral column...
Transverse abdominius
Compresses the abdomen.
External intercoastal
Elevates ribs w/inhalation.. O-inferior border of rib... I-Superior border of rib
Rectus abdominis
Compresses abdomen; Anteriorly flexes vertebral column
Diaphragm
Increases thoracic volume allowing for inhalation. O-ribs, sternum & (L) vertebrae... I- central tendon
Internal intercoastal
draws adjacent ribs together during forced exhalation ...O- inferior border of Rib below... I-inferior border of rib below
Trapezius
elevates the clavicle: adducts scapula... O-occipital bone, vertebrae...I-Clavical
Rhomboideus major
raises and adducts scapula... O-Vertabrae... I- Scapula
Rhomboideus minor
adducts scapula... O- Vertebrae... I- Scapula
Levator scapulae
Elevates scapula... O-Vertebrae... I-Scapula
Serratus anterior
laterally rotates the scapula... O- Ribs... I-Scapula
Pectoralis minor
depresses the scapula... O-Ribs... I- Scapula
Pectoralis major
flexes arm... O- Clavical, Sternum... I-Humerus
Latissimus dorsi
extends the arm... O-Vertabrae, ribs, iliac crest, scapula... I-Humerus
Teres major
extends arm... O-Scapula... I- Humerus
Subscapularis
Rotates arm medially... O-Scapula... I- Humerus (Rotator Cuff)
Supraspinatus
abducts arm... O-Scapula... I-Humerus (Rotator Cuff)
Infraspinatus
Rotates arm laterally... O-Scapula... I- Humerus (Rotator Cuff)
Teres minor
Laterally rotates arm; one of the "rotator cuff" muscles ...O-Scapula... I-Humerus
Biceps brachii
Flexes and supinates forearm... O-Humerus... I- radial tuberosity
Brachialis
flexes forearm at elbow... O-Humerus... I-Ulna
Brachioradialis
Flexes forearm... O-Humerus... I-Radial styloid process
Triceps brachii
extends forearm... O-Scapula, Humerus... O-Ulna (olecranon)
Supinator
supinates the forearm... O-Humerus, Ulna... I-Radius
Pronator teres
pronates forearm... O-Humerus,Ulna... I-Radius

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