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Muscular System Adam Hernandez P.2 (Muscles in body (Gracilis, Rectus…
Muscular System
Adam Hernandez P.2
Major Functions
of the Muscular System
Posture:
Maintains posture
Maintain Homeostasis
: generates heat
Movement:
moves the body
Muscles in body
Gracilis
Rectus Abdominis
Triceps Brachii
Latissimus Dorsi
Pectoralis major
Biceps Femorus
Trapezius
Soleus
Deltoid
Fubilaris Longus
Biceps Brachii
3 Types of Muscle Tissue
Cardiac Muscle:
Involuntary movement, single nucleus, forms heart wall
Smooth muscle:
Single cell nucleus, involuntary movement
Skeletal Muscle:
Connected to tendons that are attached to bone, can move voluntarily
Types of Muscle Movements
Rotation:
Allows arm to move around
Circumduction:
Allows arm closer to distal end to move
Extension:
Increases angle of joint
Plantar Flexion:
Moves foot medially
Flexion:
decreases angle of joint
Sliding Filament Theory