Question | Answer |
Muscles are made of what fibers? | Elastic |
The functions of muscles are to: | Produce heat, produce movement, and maintain posture |
Voluntary muscles? | You contract when you want to move. E.G. Skeletal muscles |
Involuntary muscles? | Contract automatically. E.G. Stomach, Heart |
Types of muscle tissue: | Cardiac, Skeletal, and Smooth |
Skeletal Muscles: | Attached to bones, and responsible for voluntary movements |
Striations?
(skeletal muscles) | Light and dark bands that go from the muscle belly to myofibrial |
Origin? | The area a muscle begins(generally superior) |
Insertion? | The area in which the muscle ends(generally inferior) |
Smooth Muscles: | Usually involuntary movements, found in walls of hollow structures E.G. stomach, blood vessels, intestines |
Cardiac Muscles: | In heart,appearance similar to skeletal and smooth |
Long Bones: | Humerus, Radius, Ulna, Femur, Tibia, Phalanges |
Short Bones: | Carpals, Tarsals, Patella |
Flat Bones: | Skull, Sternum, Ribs, Scapula |
Irregular Bones: | Face, Spine, Hip |
Axial Skeleton:
(center) | Skull, Cervical Spine, Thoracic Spine, Rib Cage,Lumbar Spine, Sacrum, Coccyx |
Appendicular Skeleton: | Hip/Pelvis, Lower Extremity,Foot, Upper Extremity, Forearm, Wrist/Hand |