INFRASPINATUS TENDINITIS. DEFINITION – There may be a complete rupture , strain or tendinitis may seen in this muscle – Painless , weakness and painful arc can be seen with loss of 30° of external rotation of shoulder – In case of tendinitis and strain ,Pain may elicited during resisted external rotation . – …
Wry neck/Torticollis. DEFINITION ✓ Wry neck is defined as rotational deformity of cervical spine , that causes turning and tilting deformity of head and neck. ✓ (Tortus – twisted , Collum – neck.) ✓ Sternocleidomastoid undergoes contracture. • Causes ✓ Congenital – Infantile torticollis. ✓ Infective – Tb of cervical spine , …
STUDENTS ELBOW( OLECRANON BURSITIS) ✓ Also known as : – Olecranon bursitis – Miner’s elbow – Draughtsman elbow. DEFINITION ✓ Olecranon bursitis is chronic inflammation of the Olecranon bursa. ✓ May be the result of repetitive minor injuries or irritants. ✓ Repeated trauma to the posterior aspect of elbow joint can also cause …
Tennis elbow / Lateral epicondylitis DEFINITION – Tennis elbow is commonly characterized by pain and tenderness at the origin of extensor group of muscle. – It is usually due to overuse injury in day to day activities of pulling, lifting etc. – Abnormal tissue has large number of nociceptive fibers , hence painful …
ROTATOR CUFF TEAR DEFINITION – Rotator cuff tear is common explanation for shoulder pain and impingement. – structure tendon become swollen, hypercellular, and collagen matrix is disorganised . – Apoptosis is increase in overuse tendinopathy. • Causes ✓ Complete or partial rupture of structure . ✓ Supraspinatus tendinitis. ✓ Subacromial bursities ✓ Periarthritis. ✓ Bicipital tenosynovitis. ✓ Fracture of greater …
NEUROMUSCULAR JUNCTION INTRODUCTION: Skeletal muscles are innervated by LARGE, MYELINATED nerve fibres. The junction between the nerve ending and the skeletal muscle fibre is called the Neuromuscular Junction. STRUCTURE: 1) Axon Terminal/ Motor End Plate: When the axon comes close to the muscle fibre, it loses its sheath. So the axis cylinder is …
MUSCLE OF MASTICATION ARE AS FOLLOW; 1) MASSETER Origin : Superficial layer – zygomatic arch ( anterior 2/3 rd , lower border ), maxillar zygomatic process . Deep layer – zygomatic arch deep surface . Middle layer – zygomatic arch ( posterior 1/3 rd , lower border ). Insertion : Superficial layer – ramus …
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 …
