Bio107-ch8 Flashcards by Rachel Barthel

Q

Joints are

A

Where 2 or more bones come together

Slight to no movement or freely movable

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Q

Articulations

A

Joints

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Q

Structural classification

A

Based on MATERIALS found between bones

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Q

Functional classification

A

Based on MOVEMENT between bones

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Q

Fibrous joints (3)

A

Not true joint
Sutures of the skull
Very slight motion-syndesmosis

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Q

Syndesmosis

A

End of tibia, fibula, wrist, ulna

Very slight movement

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Q

Cartilage is

A

Not a true joint

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Q

Gomphosis - cartilage

A

Gums locked in jaw

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Q

Synchroidrosis - cartilage

A

Cartilage around sternum

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Q

Symphysis - cartilage

A

Intervertebral discs

Slight grinding motion

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Q

Synovial joints are

A

True joints

Sac with fluid inside surrounding joints

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Q

Dyarthrosis

A

Freely moveable

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Q

Uniaxial

A

One plane

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Q

Biaxial

A

Two planes

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Q

Synovial joint fluid gets ____ the more you move around

A

Thinner

Waking up- stiff
Joints warm up- normal

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Q

Synovial structures (3)

A

Synovial capsule
Bursa
Tendon sheath

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Q

Bursitis

A

Inflammation of bursa

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Q

Tendinitis

A

Inflammation of a tendon

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Q

Tenoshnovitis

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A

Inflammation of a tendon sheath

Q

Bursa

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A

Pillow like joint, fluid filled

Q

Nonaxial synovial joint

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A

Gliding movement in no particular plane

Q

Gliding joints

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A

Flat articular surfaces allow least movement

Between carpals and tarsals

Q

Uniaxial

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A

Movement in a single plane

One motion, knee, elbow

Q

Hinge joints

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A

Moves up or down, right or left only

Flexion

Working muscle

Extension

Relaxing muscle

Pivot joints

One movement Ex. Atlas and axis

Biaxial

Movement in two planes

Saddle joints

Pollex of thumb or "saddle joint" of thumb Can move all around

Multiaxial

Movement in many planes Hip, shoulder

Ball and socket joints

Shoulder and hip

Felxion

Joint angle DECREASES

Extension

Joints angle INCREASES

Dorsiflexion and plantar flexion

Up and down movement of the foot

Abduction

Movement of limb AWAY FROM the body

Adduction

Movement of limb TOWARDS the body

Supination position

Palm up, cupping soup

Pronation position

Palms facing down

Inversion

Turning in

Eversion

Turning out (foot for ex)

Osteoarthritis

Cartilage at a joint wears down, with age

Rheumatoid arthritis

Autoimmune inflammatory arthritis Severe pain, swelling, deformation of the joint

Kyphosis

Hunch back

Lordosis

Sway back Tummy pushed out

Scoliosis

Abnormal lateral curve of spine