Ventral Muscles Chart PDF

+-----------------+-----------------+-----------------+-----------------+ | **Muscle** | **origin** | **insertion** | **action** | +-----------------+-----------------+-----------------+-----------------+ | **VENTRAL | | | | | MU...

+-----------------+-----------------+-----------------+-----------------+ | **Muscle** | **origin** | **insertion** | **action** | +-----------------+-----------------+-----------------+-----------------+ | **VENTRAL | | | | | MUSCLES** | | | | +-----------------+-----------------+-----------------+-----------------+ | submentalis | Anterior tip of | Anterior angle | Raises the tip | | | the mandible | of the lower | of the lower | | | | jaw | jaw | +-----------------+-----------------+-----------------+-----------------+ | mylohyoid | Median surface | Median raphe | Raises the | | | of the mandible | | floor of the | | | | | mouth when | | | | | breathing/swall | | | | | owing | +-----------------+-----------------+-----------------+-----------------+ | geniohyoid | Anterior angle | Posterior | Draws the hyoid | | | of the lower | cornua, thyroid | forward and | | | jaw | processes | upward | +-----------------+-----------------+-----------------+-----------------+ | sternoradialis | Episternum, | Proximal end of | Flexes the | | | omosternum | the radius | forearm | +-----------------+-----------------+-----------------+-----------------+ | Cutaneous | Xiphisternum | Dermis of the | Tenses the | | pectoralis | | pectoral girdle | dermis of the | | | | | pectoral region | +-----------------+-----------------+-----------------+-----------------+ | Pectoralis | Sternum | Humerus | Flexor, | | | | | adductor, and | | - Anterior | | | rotator of the | | | | | forearm | | - Medial | | | | | | | | | | - posterior | | | | +-----------------+-----------------+-----------------+-----------------+ | Rectus | Pubic border | Sternum | Supports | | abdominis | | | abdominal | | | | | viscera | +-----------------+-----------------+-----------------+-----------------+ | External | Ilium; dorsal | Linea alba | Helps constrict | | oblique | fascia of the | | abdomen, | | | vertebrae | | support viscera | +-----------------+-----------------+-----------------+-----------------+ | Internal | Ilium; dorsal | Anterior | Helps constrict | | oblique | fascia of the | surface of the | abdomen, | | | vertebrae | same | support viscera | | | | aponeurosis | | | | | where the ext. | | | | | oblique is | | | | | attached to | | +-----------------+-----------------+-----------------+-----------------+ | sartorius | Pubis | Tibiofibula | Adducts the | | | | | thigh, flexes | | | | | the shank | +-----------------+-----------------+-----------------+-----------------+ | Adductor longus | Ilium | Femur | Adducts the | | | | | thigh | +-----------------+-----------------+-----------------+-----------------+ | Adductor magnus | Pubic/Ischial | Distal end of | Adducts the | | | symphyses | femur | thigh, flexes | | | | | the shank | +-----------------+-----------------+-----------------+-----------------+ | semitendinosus | Ischium | Tibiofibula | Adducts the | | | | | thigh, flexes | | | | | the leg | +-----------------+-----------------+-----------------+-----------------+ | Gracilis major | Ischium | Tibiofibula | Adducts the | | | | | thigh, flexes | | | | | the shank | +-----------------+-----------------+-----------------+-----------------+ | Gracilis minor | Ischium | Tibiofibula | Adducts the | | | | | thigh, flexes | | | | | the shank | +-----------------+-----------------+-----------------+-----------------+ | gastrocnemius | Distal end of | Ankle of the | Extensor of the | | | femur; anterior | foot | foot | | | surface of the | | | | | knee | | | +-----------------+-----------------+-----------------+-----------------+ | Tibialis | Posterior | Proximal end of | Extensor/flexor | | posticus | surface of the | the astragalus | of the foot | | | tibiofibula | | | +-----------------+-----------------+-----------------+-----------------+ | Extensor cruris | Distal end of | Anterior | Extensor of the | | | the femur | surface of the | foot | | | | proximal half | | | | | of the | | | | | tibiofibula | | +-----------------+-----------------+-----------------+-----------------+ | Flexor tarsi | Anterior | Proximal | Flexor of the | | anterior | surface of the | surface of the | foot | | | middle and | astragalus; | | | | distal half of | fascia of the | | | | the tibiofibula | foot | | +-----------------+-----------------+-----------------+-----------------+ | Tibialis | Femur | Distal end of | Flexor of the | | anticus | | the astragalus | foot | | | | and calcaneus | | +-----------------+-----------------+-----------------+-----------------+ | Deltoid/ | Scapula | Deltoid ridge | Adductor of the | | Scapulohumerali | | | forearm | | s | | | | +-----------------+-----------------+-----------------+-----------------+ | Triceps brachii | Base of | Proximal end of | Extensor of the | | | scapula; shaft | the radioulna | forearm | | | of the humerus | | | +-----------------+-----------------+-----------------+-----------------+ | **DORSAL | | | | | MUSCLES** | | | | +-----------------+-----------------+-----------------+-----------------+ | Temporalis | Middorsal line | Posterior | Raises the | | | of the skull | surface of the | lower jaw; | | | | mandible | closes the | | | | | mouth | +-----------------+-----------------+-----------------+-----------------+ | Depressor | Through fascia | Mandible | Depresses the | | Mandibulae | of the | | jaw | | | middorsal line | | | +-----------------+-----------------+-----------------+-----------------+ | Dorsalis | Dorsal surface | Lateral side of | Abducts the arm | | scapulae | of the scapula | the humerus | | | | and | | | | | suprascapula | | | +-----------------+-----------------+-----------------+-----------------+ | Cucullaris | Middorsal line | Pectoral girdle | Draws forearm | | | | | upward | +-----------------+-----------------+-----------------+-----------------+ | Latissimus | Lumbodorsal | Lateral side of | Draws forelimb | | dorsi | fascia | the proximal | upward and | | | | half of the | backward | | | | humerus | | +-----------------+-----------------+-----------------+-----------------+ | Longissimus | Anterior third | Posterior end | Extends back, | | dorsi | of the urostyle | of the skull, | elevates the | | | | dorsal surface | head | | | | of the | | | | | vertebrae | | +-----------------+-----------------+-----------------+-----------------+ | Ilio-lumbaris | Anterior part | Transverse | Bends the back | | | of the ilium | process of the | | | | | trunk vertebrae | | +-----------------+-----------------+-----------------+-----------------+ | Coccygeosacrali | Lateral side of | Transverse | Draws urostyle | | s | the half of the | process of the | and back nearer | | | urostyle | sacral | to each other | | | | vertebrae | | +-----------------+-----------------+-----------------+-----------------+ | Coccygeoiliacus | Lateral side of | Ilium | Extends back, | | | the proximal | | fixes urostyle | | | half of the | | w respect to | | | urostyle | | the pelvic | | | | | girdle | +-----------------+-----------------+-----------------+-----------------+ | Triceps femoris | Vastus externus | Front of tibia | Draws the | | | -- crest of | | hindlimb | | | ilium | | forward; | | | | | extends the leg | | | Rectum femoris | | | | | -- ventral side | | | | | of ilium | | | | | | | | | | Vastus internus | | | | | - acetabulum | | | +-----------------+-----------------+-----------------+-----------------+ | Gluteus | Ilium | Distal end of | Rotates femur | | | | the femur | | +-----------------+-----------------+-----------------+-----------------+ | Biceps femoris | Posterior part | Proximal end of | Flexes the | | | of the ilium | the | shank | | | | tibiofibular | | +-----------------+-----------------+-----------------+-----------------+ | Semimembranosus | Posterior part | Proximal end of | Flexes/extends | | | of the ischium | the tibiofibula | the shank | +-----------------+-----------------+-----------------+-----------------+ | Pyriformis | Urostyle | Femur | Pulls urostyle | | | | | to 1 side, | | | | | draws femur | | | | | dorsally | +-----------------+-----------------+-----------------+-----------------+ | gastrocnemius | Distal end of | Ankle of the | Extensor of the | | | the femur; | foot | foot | | | anterior part | | | | | of the knee | | | +-----------------+-----------------+-----------------+-----------------+ | Peroneus | Distal end of | Distal end of | Extensor/flexor | | | femur | tibiofibula | of the foot | +-----------------+-----------------+-----------------+-----------------+ | Tibialis | Femur | Distal end of | Flexor of the | | anticus | | the astragalus | foot | | | | and calcaneus | | +-----------------+-----------------+-----------------+-----------------+