WELCOME TO FACIAL MUSCLE ANATOMY 1) CORRUGATOR SUPERCILLI Origin : From the medial end of superciliary arch. Insertion: Mid- eyebrow skin. Action : Forehead vertical lines as in frowning. Nerve supply : FROM Facial nerve ( temporal branch ). 2) ORBUCULARIS OCULI Origin : – Maxilla ( frontal process ), Frontal bone ( nasal …
THE PELVIC FLOOR MUSCLES ARE:- 1) CREMASTOR Origin : From inguinal ligament. Insertion : Around spermatic cord and the testis . Action : Elevation of testis. Nerve supply : Genitofemoral nerve. 2) DARTOS Origin : Penis and the subcutaneous connective tissue of scrotum. Insertion : Skin of scrotum and penis. Action : …
INTRODUCTION OF BACK MUSCLE Back muscle anatomy are 1) TRAPEZIUS Origin : Spinous process C7 , T1-T12 , occipital bone. Insertion : Clavicle ( lateral 1/3 ) , Acromions process and spine of scapula. Action : – Elevates and retracts the scapula – Stabilizes the scapula . Nerve supply : – Accessory nerve – C3 …
ABDOMINAL MUSCLE INTRODUCTION TO ABDOMINAL MUSCLE 1) EXTERNAL OBLIQUE MUSCLE Origin : Lower ribs . Insertion : Linea Alba, pubic crest of tubercle. Action : Trunk Flexion and lateral bend. Nerve supply : Intercostal nerve. 2) INTERNAL OBLIQUE MUSCLE Origin : Thoracolumbar fascia. Insertion : Lower 3 or 4 ribs, pubic crest …
INTRODUCTION OF NECK MUSCLES NECK ANATOMY ARE AS FOLLOWS- 1) LONGUS CAPITIS Origin : Anterior tubercle of C3 – C6 vertebrae. Insertion : Basillary portion of occipital bone . Action : Flexion of head and neck. Nerve supply : Cervical plexus. Blood supply : Deep cervical artery . 2) LONGUS COLI …
1) PECTORALIS MAJOR Origin : FROM – Anterior medial half of clavicle. – Half of manubrium and sternum. – costal cartilage ( second to sixth ). Insertion : ON – Lateral lip of bicipital groove. Action : MAINLY – Adduction and medial rotation of shoulder – Flexion of arm . Nerve supply: – Medial and …
INTRODUCTION 1) SARTORIUS Origin :FROM Iliac spine ( anterior surface ). Insertion : ON Tibial upper medial surface. Action : MAINLY Thigh flexion, extension and lateral rotation . Nerve supply : Femoral nerve . 2) RECTUS FEMORIS Origin : FROM Anterior inferior iliac spine. Insertion : ON Tibial tuberosity by …
UPPER LIMB MUSCLES 1)DELTOID Origin : – Clavicle ( lateral 1/3 rd ). – Acromion ( lateral border ). – crest of spine of scapula . Insertion : Deltoid tuberosity ( Humerus ). Action: – Powerful arm abductor ( middle fiber ). – Arm flexion and medial rotation ( Anterior fiber …
MUSCULOSKELETAL ANATOMY. INTRODUCTION DEFINITION These are the contractile tissue which brings about all the movement in the body. Types of muscle The muscle are if three types:- skeletal, smooth, and cardiac. Synonyms of skeletal muscle are 1) striped muscles 2) Striated muscles 3)Somatic muscles 4) Voluntary muscles. Parts of a muscle A) Two …
ELECTROMYOGRAM AND DISORDER OF SKELETAL MUSCLE. INTRODUCTION – The study of electrical activity of the muscle is called Electromyography. – The graphical representation of electrical activity of muscle is called Electromyogram. • Electromyography Technique : -Electromyogram is recorded by the use of cathode ray oscilloscope or a polygraph. – Electrodes used …
