Question | Answer |
Latissimus Dorsi | Origin: Lumbar vertebrae
Insertion: Humerus
Action: Pull's forelimb forward |
Masseter | Origin: Zygomatic arch
Insertion: Masseteric fossa/mandible
Action: Elevation of mandible |
Mylohyoid | Origin: Mandible
Insertion: Median raphe
Action: Elevates floor of mouth |
Digastric | Origin: Mastoid and jugal processes
Insertion: Mandible
Action: Depresses mandible |
Temporalis | Origin: Temporal bone
Insertion: Coronoid process of mandible
Action: Elevates mandible |
Geniohyoid | Origin: Mandible
Insertion: Hyoid body
Action: Protracts hyoid |
Hyoglossus | Origin: Hyoid
Insertion: Tongue
Action: Retracts and depresses tongue |
Thyrohyoid | Origin: Thyroid cartilage of the larynx
Insertion: Hyoid bone
Action: Protracts larynx |
Sternohyoid | Origin: Costal cartilage
Insertion: Thyroid cartilage of larynx
Action: Retracts Larynx |
Spinodeltoid | Origin: Spine of scapula
Insertion: Deltoid ridge of humerus
Action: Retracts humerus, rotates outward |
Acromiodeltoid | Origin: Scapula
Insertion: Spinodeltoid muscle
Action: Retracts humerus, rotates laterally |
Triceps Brachii | Origin: Humerus or scapula
Insertion: Olecranon process
Action: Extends forearm |
Brachialis | Origin: Humerus
Insertion: Ulna semilunar notch
Action: Flexes forearm |
Clavobrachialis | Origin: Clavicle and raphe
Insertion: Ulna
Action: Flexes forearm |
Xiphihumeralis | Origin: Raphe near xiphoid process
Insertion: Humerus
Action: Forelimb towards midline |
Pectoralis Minor | Origin: Sternebrae
Insertion: Humerus
Action: Forelimb towards midline |
Pectoralis Major | Origin: Sternum and midventral raphe
Insertion: Humerus
Action: Humerus toward midline |
Pectoantebrachialis | Origin: Manubrium
Insertion: Antebrachium
Action: Forelimb toward midline |
Subscapularis | Origin: Subscapular fossa
Insertion: Lesser tuberosity of humerus
Action: Adducts humerus |
Teres Major | Origin: Caudal boarder of scapula
Insertion: Proximal end of humerus
Action: Retracts humerus, rotates medially |
Infraspinatus | Origin: Infraspinous fossa
Insertion: Greater tuberosity of humerus
Action: ROtates humerus laterally |
Serratus Ventralis | Origin: Ribs
Insertion: Scapula
Action: Scapula towards thoracic wall |
Supraspinatus | Origin: Supraspinous fossa
Insertion: Greater tuberosity of humerus
Action: Protracts humerus |
Splenius | Origin: Middorsal line of neck
Insertion: Occipital bone
Action: Elevates or extends head |
Clavotrapezius | Origin: Lambdoidal ridge
Insertion: Clavicle
Action: Protracts humerus |
Acromiotrapezius | Origin: Vertebrae
Insertion: Spine of scapula
Action: Adduct scapula |
Spinotrapezius | Origin: Spinous process
Insertion: Supraspinous and infraspinous muscles
Action: Scapula dorsal and caudal |
Rhomboideus Complex | |
Caudofemoralis | Origin: Caudal vertebrae
Insertion: Patella |
Biceps Femoris | Origin: Ischial Tuberosity
Insertion: Tibia and patella |
Sartorius | Origin: Ilium
Insertion: Patella, Tibia, Fascia |
Gluteus Maximus | Origin: Sacral and caudal vertebrae
Insertion: Femur |
Gluteus Medius | Origin: Ilium, Sacral, Caudal
Insertion: Femur |
Semitendinosus | Origin: Ischial Tuberosity
Insertion: Tibia |
Semimembranosus | Origin: Ischial Tuberosity
Insertion: Femur |
Adductor Femoris | Origin: Pubis and Ischium
Insertion: Femur |
Adductor Longus | Origin: Pubis
Insertion: Femur |
Gracilis | Origin: Ischium and Pubis
Insertion: Tibia |
Pectineus | Origin: Pubis
Insertion: Femur |
Vastus Lateralis | |
Vastus Intermedius | |
Rectus Femoris | |
Vastus Medialis | |
Gastrocnemius | |