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Muscular System Medical Terminology. Anatomy of Muscle Types: –Skeletal (striated; voluntary) –Smooth (non-striated; involuntary) –Cardiac Attachments:

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Presentation on theme: "Muscular System Medical Terminology. Anatomy of Muscle Types: –Skeletal (striated; voluntary) –Smooth (non-striated; involuntary) –Cardiac Attachments:"— Presentation transcript:

1 Muscular System Medical Terminology

2 Anatomy of Muscle Types: –Skeletal (striated; voluntary) –Smooth (non-striated; involuntary) –Cardiac Attachments: Tendons –Aponeurosis Fascia –Connective tissue that covers and separates muscle

3 Physiology of Muscle Primary Functions – Make body movement possible. (see next slide) – Hold body erect. (posture = proprioception) – –Move body fluids ---- smooth muscle – –Produce body heat.

4 Movement Physiology of Muscle Kinesiology (kinesis = movement) Bradykinesia = slow movement –ROM = range of motion Antagonistic pairs –Abduction adduction –Flexion extension –Rotation circumduction –Supination pronation –Dorsiflexion --- plantar flexion

5 Importantcombining forms for muscle Important combining forms for muscle Muscle –my/o, myos/o Fascia --- covers, supports, & separates muscle –fasci/o Tendon --- connects muscle to bone –tendin/o –Aponeurosis = flat tendon

6 Major Muscles of the Body Masseter Trapezius Sternocleidomastoid Deltoid Biceps Triceps Latissimus dorsi Pectoralis Rectus abdominis Gluteus Hamstrings Quadriceps femoris Sartorius Vastus lateralis Gastrocnemius

7 Pathology of the Muscular System Myomalacia abnormal softening of muscle Myorrhexis rupture of muscle Ataxia uncoordinated voluntary muscle movement –Tax = coordination Dystaxia dys = bad Spasm “cramp” Myoclonus clon = violent action Torticollis stiff neck Kinesia movement –Dyskinesia –Hyper/ hypo– kinesia –Bradykinesia brady = slow

8 Myasthenia asthenia = weakness Myolysis lysis = destruction of Myocele cele = hernia Hemiparesis paresis = weakness Paraplegia plegia = paralysis Quadriplegia Hemiplegia Hiccups = spasm of diaphragm ; also called “singultus” Contracture = shortening of muscle & resistant to stretching


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