Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows...

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Joints of the Human Body ASA Bio 2014 Williams

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Transcript of Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows...

Page 1: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints of the Human Body

ASA Bio 2014Williams

Page 2: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints • Where 2 (or more) bones

come together• Allows movement• Represent the weakest

part of the skeleton

Page 3: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Types of Joints• 3 types of joints

o Immovable (Synarthrosis)o Slightly movable (amphiarthrosis)o Fully movable (diarthrosis)

Page 4: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Immovable (Synarthrosis)

• No movement between bones• “Fibrous” joints

o Sutures

Page 5: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Immovable (Synarthrosis)

• No movement between bones• “Fibrous” joints

o Sutures o Syndesmosis

Page 6: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Immovable (Synarthrosis)

• No movement between bones• “Fibrous” Joints

o Sutures o SyndesmosisoGomphosis

Page 7: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Slightly Movable (Amphiarthrosis)

• Very slight movement• “Cartilaginous” joints

o Synchondrosis

Page 8: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Slightly Movable (Amphiarthrosis)

• Very slight movement• “Cartilaginous” joints

o Synchondrosis o Symphysis

Page 9: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Fully Movable (Diarthrosis)

• Greatest degree of flexibility• “Synovial” joints

o Plane joint (arthroidal)

Page 10: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Fully Movable (Diarthrosis)

• Greatest degree of flexibility• “Synovial” joints

o Plane joint (arthroidal)o Hinge joint (ginglymus)

Page 11: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Fully Movable (Diarthrosis)

• Greatest degree of flexibility• “Synovial” joints

o Plane joint (arthroidal)o Hinge joint (ginglymus)o Pivot joint (trochoid)

Page 12: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Fully Movable (Diarthrosis)

• Greatest degree of flexibility• “Synovial” joints

o Plane joint (arthroidal)o Hinge joint (ginglymus)o Pivot joint (trochoid) oCondyloid (ellipsoid)

Page 13: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Fully Movable (Diarthrosis)

• Greatest degree of flexibility• “Synovial” joints

o Plane joint (arthroidal)o Hinge joint (ginglymus)o Pivot joint (trochoid) oCondyloid (ellipsoid)o Saddle joint (sellar)

Page 14: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Fully Movable (Diarthrosis)

• Greatest degree of flexibility• “Synovial” joints

o Plane joint (arthroidal)o Hinge joint (ginglymus)o Pivot joint (trochoid) oCondyloid (ellipsoid)o Saddle joint (sellar)oBall & socket (spheroidal)

Page 15: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

“Synovial” Joints

• Articular capsuleoCartilage (hyaline) o Fibrous joint

capsuleo Synovial

membraneo Synovial fluid

Page 16: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints• Ligaments: fibrous band

that connects two boneso Limits the range of

motion at the joint

Page 17: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints• Ligaments: fibrous band

that connects two boneso Limits the range of

motion at the joint• Cartilage: connective

tissue that surrounds the ends of bones o Protects bones from

wearing down

Page 18: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints of the Body• Plane joint

o Wrist (inter-carpal), Ankle (inter-tarsal), Patella

Page 19: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints of the Body• Hinge joint

o Elbow (humerus/ulna), Knee (femur/tibia), Fingers & Toes (inter-phalangeal), Jaw (temporomandibular)

Page 20: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints of the Body• Pivot joint

o Forearm (elbow/radius/ulna), Neck (atlanto-axial)

Page 21: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints of the Body• Condyloid joint

o Knuckles (metacarpal-phalangeal), Neck (atlanto-occipital)

Page 22: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints of the Body• Saddle joint

o Thumb

Page 23: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints of the Body• Ball & socket joint

o Shoulder (gleno-humeral), Hip (ilio-femoral)

Page 24: Joints of the Human Body ASA Bio 2014 Williams. Joints Where 2 (or more) bones come together Allows movement Represent the weakest part of the skeleton.

Joints of the Body• Plane joint

o Wrist (inter-carpal), Ankle (inter-tarsal), Patella • Hinge joint

o Elbow (humerus/ulna), Knee (femur/tibia), Fingers & Toes (inter-phalangeal), Jaw (temporomandibular)

• Pivot jointo Forearm (elbow/radius/ulna), Neck (atlanto-axial)

• Condyloid jointo Knuckles (metacarpal-phalangeal), Neck (atlanto-

occipital) • Saddle joint

o Thumb• Ball & socket joint

o Shoulder (gleno-humeral), Hip (ilio-femoral)


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