Muscle Types of Muscle Skeletal Smooth Cardiac Movement

Muscle

Types of Muscle � Skeletal � Smooth � Cardiac

Movement (Kinesiology) Antagonistic (anti-against, agon – struggle) � Synergists (syn-together, erg –work) � Origin � Insertion � Abductor � Adductor � Flexor � Extensor � Circumduction � Levator � Depressor � Rotator � Supinator � Pronator �

Location Muscles are names for their location on the body or organ they are near. � Example: Pectoral muscles – chest (pector) Muscles can be named for their location in relation to something else. � Example: Intercostal muscles – muscles between the ribs (inter – between, cost –rib) Muscles can also be named by their location within a group of muscles � Example: Inferior - below or deep Muscles can be termed indicating depth � Example: Externus – outer, Internus – inner

Location Muscles can be named according to the direction of the muscle fibers � Examples: Rectus – straight, Oblique – slanted Muscles are named for the number of divisions they have � Examples: Biceps – two, Triceps – three, Quadriceps – four Muscles can be named for their size � Examples: Minimus or minor – small, Vastus , Major, or Maximus – large, Latissimus – broad � Longissiums or gracilis – narrow

Location Muscles can be named according their shape � Examples: Deltoid – muscles that look like the Greek letter delta , Quadratus – muscles are square for four-sided Sometimes muscles are named for what they look like or how they relate to something else. � Example: Gastrocnemius muscle – the leg muscle that resembles the shape of the stomach (gastr – stomach, kneme – leg)

Pathology Adhesion Ataxia Atonic Dystrophy Fascilitis Fibroma Hernia ◦ a. umblilical ◦ b. Inguinal

Pathology Myasthenia Myopathy Tendinitis Tetany Strain Avulsion