Musculoskeletal System Flashcards
(20 cards)
Bone Marrow
Soft and spongy inside part of the bone
Arthritis
Inflammation of the joints
Bones
Make up skeleton and form framework of the body
Cardiac Muscle
Involuntary muscle of the heart
Contracture
Permanent shortening of muscle resulting in immovable joints
Joints
Point where bones meet and consist of cartilage and connective tissue that cushion the bones, allowing for movement of the area
Ligaments
Connect bone to bone
Muscle Atrophy
Muscle mass decreases in size
Muscle Strain
Damage of the muscle caused by trauma
Muscles
Powers movement of skeleton and helps body stay erect
Osteoarthritis
Disease affects weight bearing joints, with aches, stiffness, limited motion
Osteoporosis
Spongy type of bone the breaks easily
Rheumatoid arthritis
Systemic crippling disease causing deformities with stiff, painful, swollen joints
Skeletal muscle
Voluntary muscle that powers movement of the skeleton
Smooth muscle
Involuntary muscle of the inner linings of organs
Tendons
Connect muscle to bone
4 body cavities
Cranial- brain & 12 cranial nerves
Thoracic- lungs, heart, esophagus…
Abdominal- stomach, liver, kidneys, pancreas, spleen, gall bladder, and intestines
Pelvic- reproductive organs, lower colon, rectum
Types of joints
Hinge- one direction (elbow & knee)
Ball & socket- all directions (hip & shoulder)
Pivot- side to side (skull & spine)
Types of bones
Long- bear weight (femur humerus)
Short- ease movement (carpals, phalanges)
Flat- protect organs (ribs, skull, pelvic, & shoulder)
How Many Vertebrae
7 cervical (neck)
12 thoracic (mid back)
5 lumbar (lower back)
