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Joyntz
Types of Joints
| Question | Answer |
|---|---|
| Syndemosis, Suture, and Gomphosis are ___ joints? | Fibrous |
| Dense connective tissue holding them together contains many collagenous fibers. They lie between bones that closely contact one another. | Fibrous |
| In this type of joint the bones are bound by klong fibers of connective tissue that form an anterosseous ligament. Permits slight movement and is amphiarthrotic. At the distal ends of the tibia and fibula. | Syndemosis |
| Between flat bones of the skulll, where the broad margins of adjacent bones greow topgether and unite by a thin layer of dense connective tissue called a sutural ligament.Immovable. (synarthrotic joints) | Suture |
| Joint formed by the union of a cone shaped bony process in a bony socket. No movements. Example: Root of tooth united with mandible | Gomphosis |
| Synchondrosis and symphysis are _____ joints | Cartilaginous |
| Bands of hyaline cartilage inite the bones. Many are temporary structures that disappear with growth. When ossification occurs movement no longer occurs at this joint. Syarthrotic. Ex. Joint between epiphysis and diaphysis of long bone | 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. Inbetween vertebraes to absorb shock | Symphysis |
| Ball and socket, condyloid, gliding, hinge, pivot, and saddle are ____ types of joints | Synovial |
| Articulating bones surrounded by a joint capsule of ligaments and syunovial membranes; ends of articulating bones covered by hyaline cartialge and separated by synovial fluid | Synovial Joint |
| Ball shaped head of one bone articulates with cup sahped socket of another. Movements in all planes, rotation. Ex. shoulder, hip | ball and socket |
| Oval-shaped condule of one bone articulates with elliptical cavity of another. variety of movement in different planes, but no rotation. 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 with 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. Joint between proximal ends of radius and ulna | Pivot |
| Articulating surfaces have oth concave and convex regions; surface of one bone fits the complementary surface of another. Variety of movements, mainly in two plains. 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 so 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 position. (bending the head back beyond the upright position) | Hyperextension |
| bending the foot at the ankle toward the shin (bending the foot upward) | dorsiflexion |
| Bending the foot at the anle 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 around an axis (twisting the head fr9om 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 circular path (moving the finger in a circular motion without moving the hand) | circumduction |
| turning the hand so the palm is upward or facing anteriorly (in anatomical position) | supination |
| turning the hand so the palm is downward or facing posteriorly (in anatomical position) | 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 backward) | retraction |
| raising a part (raising the shoulders) | elevation |
| lowering a part (drooping the shoulders) | depression |
Created by:
Charlotte Thomas
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