Joints of the pelvic girdle and lower extremities

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Presentation transcript:

Joints of the pelvic girdle and lower extremities

Synovial Joint pg 215

SYNOVIAL JOINT PERIOSTEUM LIGAMENT JT CAVITY FIBROUS CAPSULE SYNOVIAL MEMBRANE ARTICULAR CARTILAGE

Knee Joint Much more complex than elbow Much less stable than other hinge joints Some gliding and rotation structurally 3 separate joints No single joint capsule

Joint Shapes Saddle: articular surface both concave + convex pg 225 Joint Shapes Saddle: articular surface both concave + convex side-to-side, back-forth movement (eg) carpometacarpal jt of thumb Ball + Socket: spherical head + round socket multiaxial movement (eg) shoulder, femur

Bursae & Tendon Sheaths Bursae: flat, fibrous sac w/synovial membrane lining Tendon Sheaths: elongated bursae that wraps around tendons 3 Factors in Joint Stability: Muscle Tone Ligaments Fit of Articular Surface pg 219

pg 224 Joint Shapes Hinge: cylindrical end of 1 bone fits into trough shape of other angular movement-1 plane (eg) elbow, ankle, interphalangal Plane: articular surface in flat plane Short gliding movement (eg) intertarsal, articular processes of vertebrae

Joint Shapes Condyloid: egg-shape articular surface + oval concavity pg 225 Joint Shapes Condyloid: egg-shape articular surface + oval concavity side-to-side, back+forth movement (eg) metacarpophalangeal (knuckle) Pivot: round end fits into ring of bone + ligament rotation on long axis (eg) prox. radius/ulna, atlas/dens

Special Movements супінація і пронація Протракція (висування) Ретракція (засування)

BURSAE AND TENDON SHEATHS CORACOACRMIAL LIGAMENT SUBACROMIAL BURSA TENDON SHEATH

BIAXIAL JOINT(CONDYLOID/ SADDLE JOINT)

ELBOW JOINT BICEPS TENDON TROCHLEA SYNOVIAL CAVITY BURSA

MUTIAXIAL JOINTS(HIP JOINT) BALL AND SOCKET

FLEXION/EXTENSION VETEBRAL COLUMN

FLEXION EXTESION LIMBS

ADDUCTION/ABDUCTION/ CIRCUMDUCTION

INVERSION/EVERSION

Total Knee Replacement

Lab 12: Articulations Lab 6: Cartilage Connective Tissue

Pelvis (Dancing Bone)

Femur (Largest Bone in the Body)

The Tibia and Fibula

Metatarsals

Phalanges

Calcaneous