Biological and Biological and Physical SciencesPhysical Sciences

MUSCULAR MUSCULAR SYSTEMSYSTEM

ObjectiveObjective

Recognize the functions, classification, Recognize the functions, classification, and muscle groups in relation to and muscle groups in relation to Preventive Medicine.Preventive Medicine.

OverviewOverview

Functions of Muscles Functions of Muscles

Muscle Classification Muscle Classification

Muscle Groups Muscle Groups

Functions of Muscles Functions of Muscles

Responsible for body movementResponsible for body movement

Stabilizing jointsStabilizing joints

PosturePosture

Heat productionHeat production

Muscle ClassificationMuscle Classification

Skeletal MuscleSkeletal Muscle

Attached to skeletonAttached to skeleton

Voluntary or striated muscleVoluntary or striated muscle

Tendons and bodyTendons and body

Contract rapidly and vigorouslyContract rapidly and vigorously

Tires easilyTires easily

Smooth MuscleSmooth Muscle

Have no striations/involuntary muscleHave no striations/involuntary muscle

Lines internal organs and blood Lines internal organs and blood vesselsvessels

No controlNo control

Found in:Found in:

digestive tractdigestive tract

urinary bladder urinary bladder

bronchi of the lungsbronchi of the lungs

Cardiac (Heart) MuscleCardiac (Heart) Muscle

Found in only one place in the bodyFound in only one place in the body

Hybrid muscleHybrid muscle

Actions involuntary like smooth muscleActions involuntary like smooth muscle

Muscle Muscle Components/MovementComponents/Movement

Muscle ComponentsMuscle Components

OriginOrigin - stationary attachment of - stationary attachment of muscle to skeletonmuscle to skeleton

InsertionInsertion - the point where the action of - the point where the action of the muscle is applied, resulting in the muscle is applied, resulting in motionmotion

Muscle GroupsMuscle Groups

Major muscle Major muscle groupsgroups

Thoracic muscleThoracic muscle

DiaphragmDiaphragm

Rectus Rectus abdominusabdominus

Muscle Groups - Anterior Muscle Groups - Anterior

Sternocleidomastoid Sternocleidomastoid (neck)(neck)

Pectoralis Major (arms)Pectoralis Major (arms)

Muscles of the Muscles of the Abdominal GirdleAbdominal Girdle

Rectus Abdominis,Rectus Abdominis,

External and Internal External and Internal Obliques, Obliques,

Transversus AbdominisTransversus Abdominis

Muscle Groups – Posterior Muscle Groups – Posterior

Trapezius BrachiTrapezius Brachi

Latissimus DorsiLatissimus Dorsi

Erector SpinaeErector Spinae

DeltoidDeltoid

Muscle Groups - Upper Muscle Groups - Upper LimbLimb

Biceps BrachiiBiceps Brachii

Triceps BrachiiTriceps Brachii

Muscle Groups - Lower Muscle Groups - Lower LimbLimb

Gluteus Maximus Gluteus Maximus

Gluteus Medius Gluteus Medius

Quadriceps Group Quadriceps Group (Anterior) (Anterior)

Hamstring Group Hamstring Group (Posterior) (Posterior)

Muscle Groups - Muscles of Muscle Groups - Muscles of the Ankle and Footthe Ankle and Foot

Tibialis AnteriorTibialis Anterior

Peroneus MusclesPeroneus Muscles

GastrocnemiusGastrocnemius

ObjectiveObjective

Recognize the functions, classification, Recognize the functions, classification, and muscle groups in relation to Public and muscle groups in relation to Public Health.Health.

SummarySummary

Functions of muscles Functions of muscles

Muscle classificationMuscle classification

Muscle groupsMuscle groups

Questions??Questions??