Allows wide range of movement, contains synovial fluid
Lines inside of capsule and secretes fluid
Covers end of bones to prevent friction
Sacs of synovial fluid
Ball & Socket Joint
Allows widest range of movement, hips and shoulders only
Moves in once direction or plane, allows flexion and extension e.g. elbow, knee, outer joints of fingers
rotate on a 2nd, arch-shaped bone, example: radius and ulna
Bending at knee or elbow, raising arm and leg at shoulder and hip along sagittal plane
Straightening at knee or elbow, lowering arm and leg at shoulder and hip along sagittal plane
Pointing foot at hinge joint of ankle
Bring toes towards shin at hinge joint of ankle
Moving arm at ball and socket joint of shoulder along transverse plane towards midline of body
Moving arm at ball and socket joint of shoulder along transverse plane away from midline of body
Bones articulating at shoulder
Humerus, Clavicle, Scapula
Bones articulating at hip
Bones articulating at knee
Femur, Tibia, Patella
Bones articulating at ankle
Tibia, Fibula, Tarsals
Lubricates and reduces friction between articulating bones
flat surfaces that glide across each other; example: vertebrae
immovable joint in the skull
circular movement of joint, combining movements; possible in shoulder joint, hip joint, and trunk around a fixing point
turns a bone on its own axis
rotation of the hands and forearms so that the palms face downward
rotation of the hands and forearms so that the palms face upward
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