C10 Muscular System Flashcards
Memorize
What is a motor unit?
A neuron and all the muscle fibers it stimulates
What are the 7 functions of bone?
Support Shape/structure Protection of internal organs Movement Homeostasis Storage of minerals, fat RBC production
What are the 2 divisions of skeletal bones?
Axial and Appendicular
What bones are the 4 bones in the axial subdivision?
Skull
Facial
Vertebral
Thoracic cage
What are the 3 areas of bones in the appendicular subdivision?
Pectoral girdle
Upper limbs
Lower limbs
What are the bones of the skull?
Parietal bone
Occipital bone
Frontal bone
Temporal bone
What are the suture lines of the skull?
Coronal suture
Lambdoidal suture
Squamous suture
Sagittal suture
What are the bones of the face?
Zygomatic bone
Maxilla
Mandible
What are the 2 special cervicle vertebrae?
C1, C2
Which vertebrae are fused?
Sacral
What are the 8 bones of the thoracic cage?
True/false/floating ribs Scapula Costal cartilage Xiphoid process Sternum Manubrium Suprasternal notch Clavicle
What are the 3 bones of the pelvic girdle?
ilium
pubis
ischium
symphysis pubis
What are the 3 bones of the upper limb?
Humerus
Radiu
Ulna
What are the 3 bones of the hand?
Phalanges
Metacarpals
Carpals
What are the 3 bones of the lower limb?
Femur
Tibia
Fibia
What are the 3 bones of the foot?
Phalanges
Metatarsals
Tarsals
Where is the lateral malleolus located?
Outside of ankle
Where is the medial malleolus located?
Inside of ankle
What 4 factors affect bone health?
Nutrition
Exercise
Hormones
Genetics
What are tendons and their function?
Attach muscle to bones. Provides additional strength
What are ligaments and their function?
Attach bone to bone. Supports joint stability
