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2.02 Muscular System

NC Health Science I Muscular System

QuestionAnswer
Types of muscles Skeletal; Cardiac; Smooth; Sphincter
Skeletal Muscles Voluntary; Attach to skeletal system
Cardiac Muscles Involuntary; Located in the heart
Smooth Muscles Involuntary; Located in the abdominal cavity; Digestive/reproductive system
Sphincter Muscles Both voluntary & involuntary; Circular muscle that controls end of urinary and digestive system
Contractility Muscle shortening
Excitability ability to carry an electric current
Extensibility Muscle lengthening
Elasticity Muscle shorten and lengthen
Tone Overall stiffness of muscle
Tendons Connect muscles to bones
External Intercostals Between Ribs
Diaphragm Used for breathing; Separates thoracic and abdominal cavity
Rectus Abdominus Abs
External and Internal Oblique Either side of the Abs
Latissimus Dorsi Back Muscle
Trapezius Muscle for upper back
Deltoid Shoulder
Pectoralis Major Chest
Biceps brachii Anterior upper arm
Triceps brachii Posterier upper arm
Brachioradialis lower arm
Gluteus Maximus Butt
Quadriceps Anterior thigh
Hamstrings Posterior thigh
Sartorius Muscle from lateral hip to medial knee
Gastrocnemius Posterior lower leg; Calf Muscle
Tibialis anterior Anterior lower leg; Shin Muscle
Atrophy Muscle size decrease
Hypertrophy Muscle size increase
Muscle Fatigue No O2, Lactic acid is made, muscle over worked
Peristalsis Wavelike movement of the digestive system
Posture Sitting with back straight
Body Heat Produced when muscles contract
Cardiac Muscle Function Pump blood
Fibromyalgia Muscle Pain; Cause unknown; Tx–antidepressants, exercise
Hernia weakness in a muscle wall; Tx–Surgery or leave it alone
Muscle Spasms Muscle Cramp; Tx–move muscle around, replace electrolytes
Muscular Dysthrophy Genetic Disorder; Progressive Muscle Weakness; Causes early death; Tx–we treat the symptoms,
Strain Tear in the muscle; Tx–RICE, NSAIDS
Tendonitits Inflammation of the tendon; Tx–RICE, NSAIDS, Surgery
Tetanus Uncontrollable muscle contraction; Caused by bacteria; Preventable with vaccine
Created by: jamiesheets1984
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