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Jointies
Joint stuff
| Question | Answer |
|---|---|
| Syndesmosis, Suture and Gomphosis are ______ joints. | Fibrous |
| Made out of many collagenous fibers, held together by dense connective tissue. They lie between bones that closely contact one another. | Fibrous |
| bones bound by long fibers of connective tissue that forms an interosseous ligament, allowing slight movement. At the distal ends of the tibia and fibula. | Syndesmosis |
| Between flat bones of the skull, where broad margins of adjacent bones grow together and unite by a thin layer of dense connective tissue. Immovable (synarthrotic joint). | Suture |
| A joint formed by the union of a cone-shaped bony process in a bony socket. Ex. the root of a tooth fastened to a jawbone. No movement (synarthrotic joint). | Gomphosis |
| Synchondrosis and Symphysis are _____ joints | Cartilaginous |
| Hyaline cartilage or fibrocartilage connect the bones of | Cartilaginous Joints |
| Bands of hyaline cartilage unite the bones. Many of these joints are temporary structures that disappear during growth. Ex. immature long bone connexts epiphysis to a diaphysis, before the age of 25, movement no longer occurs at this joint. | Synchondrosis |
| The articular surfaces of the bones are covered by a thin layer of hyaline cartilage, attached to a pad of springy fibrocartilage. limited amount of movement. Ex. in the pelvis, Pelvic bones shift when giving birth and between vertebrae to absorb shock | Symphysis |
| Ball-and-Socket, Condyloid, Gliding, Hinge, Pivot and Saddle are types of ______ joints | Synovial (diarthrotic) |
| Articulating bones surrounded by a joint capsule of ligaments and synovial membranes; ends of articulating bones covered by hyaline cartilage adn separated by synovial fluid | Synovial Joint |
| Ball-shaped head of one bone articulates with cup-shaped socket of another. Movements in all planes. Ex. Shoulder, hip | Ball-and-Socket |
| Oval-shaped condyle of one bone articulates with elliptical cavity of another. varitey of movements in different planes, but no rotation. Ex. Joints between metacarpals and phalanges. | Condyloid |
| Articulating surfaces are nearly flat or slightly curved. Sliding or twisting. Ex. Joints between various bones of wrist and ankle. | Gliding |
| Convex surface of one bone articulates wiht concave surface of another. Flexion and extension. Ex. Elbow and joints of phalanges | Hinge |
| Cylindrical surface of one bone articulates with ring of bone and fibrous tissue. Rotation. Ex. Jiont between proximal ends of radius and ulna. | Pivot |
| Articulating surfaces have both concave and convex regions, surface of one bone fits the completmentary surface of another. Variety of movements, mainly two planes. Ex. Joint between carpal and metacarpal of thumb. | Saddle |
| Bending parts at a joint so that the angle between them decreases and the parts come closer together. (bending the lower limb at the knee) | Flexion |
| Straightening parts at a joint os that the angle between them increases and the parts move farther apart (straightening the lower limb at the knee). | Extension |
| Excess extension of the parts at a joint, beyond the anatomical poisition (bending the head back beyond the upright position). | hyperextension |
| Bending the foot at the ankel toward the shin (bending the foot upward). | Dorsiflexion |
| Bending the foot at the ankle toward the sole (bending the foot downward). | Plantar Flexion |
| Moving a part away from the midline (lifting the upper limb horizontally to form a right angle with the side of the body). | Abduction |
| Moving a part toward the midline (returning the upper limb from the horizontal poisiton to the side of the body) | Adduction |
| Moving a part around an axis (twistin the head form side to side) Medial rotation involves movement toward the midline, whereas lateral rotation involves movement in the opposite direction | rotation |
| moving a part so that its end follows a cicular path (moving the finger in a cicular motion wihtout moving the hand). | Circumduction |
| turning the hand so the palm is upward of facing anteriorly (in anatomical position) | supination |
| Turning the hand so the palm is downward or facing posteriorly (in anatomical poisition) | pronation |
| Turning the foot so the sole faces laterally | eversion |
| Turning the foot so the sole faces medially | Inversion |
| Moving a part forward (thrusting the chin forward). | Protraction |
| Moving a part backward (pulling the chin backword). | Retraction |
| Raising a part (shrugging shoulders) | Elevation |
| Lowering a part (dropping the shoulders). | Depression |
Created by:
Kat Slaughter
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