Human Body: Skeletal System Flashcards
Your knee is _____ to your ankle.
Superior
Your hand is at the _____ end of your arm.
Distal
Axial Skeleton
Main support frame made up of the skull, spinal column, sternum, rib cage, and sacrum
Appendicular Skeleton
Peripheral bones attached to the axial skeleton made up of the arms, shoulder blades, forearms, hands, pelvis, legs, and feet
Roles of the Skeleton
1) Support & movement2) Protection3) Blood Cell Factory4) Warehouse Storage
Allows smooth movement and protection; located on both ends of long bones
Cartilage
Are the site of bone growth; commonly known as “growth plates”
Epiphyseal Plates
Ligaments
Structures that connect bone to bone
Tendons
Structures that connect muscle to bone
Bursae
Small, flattened fluid sacs that prevent friction between tendons, ligaments, and bones
Shoulders & hip joint - type of joints?
Ball & Socket Joint
Joints in feet and hands - type of joints?
Gliding Joint
Knee, elbow, finger bones - types of joints?
Hinge Joint
First 2 vertebrae of neck - type of joint?
Pivot Joint
Wrist - type of joint?
Ellipsoid Joint
Base of thumb - type of joint?
Saddle Joint
The action of bending a joint such that the joint angle decreases
Flexion
The action of bending a joint such that the joint angle increases
Extension
Occurs when a body segment is moved to the side or away from the body
Abduction
Occurs when a body segment is moved towards the body
Adduction
Rotating the wrist such that the palm of your hand is facing forward
Supination
Rotating the wrist such that the palm of your hand is facing backwards
Pronation
Bringing the top of the foot closer to the shin
Dorsiflexion
Pointing the toes
Plantar Flexion
Standing on the outer edge of the foot
Inversion
Standing on the inner edge of the foot
Eversion
When you twist or turn a body part inward towards the midline.
Internal Rotation
When you twist or turn a body part outward away from the midline.
External Rotation
Combination of flexion, extension, abduction, and adduction all within one movement
Circumduction
Which bones are missing from this graphic that you need to know for this course?
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Calcaneous and Pelvis