November 2020

PELVIC MUSCLE

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 :

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MUSCLE OF ABDOMEN

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

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CHEST MUSCLES

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

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ELECTROMYOGRAM AND DISORDER OF SKELETAL MUSCLE

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

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