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Synovial Joint

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Erick Gonazlez

on 15 April 2013

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Transcript of Synovial Joint

Injuries Synovial Joint: Elbow Muscles - abduction
- adduction
- internal rotation (pronation)
- external rotation (supination) Strengthening the Elbow Joint Stretching the Elbow Joint Biceps brachii:

Triceps brachii:

Brachialis: Arm curl with weight or exercise band
Pull up Lower arm extensions
Pull up Biceps brachii and brachialis: Triceps brachii: Uniaxial joint (motion in one plane)
The length from your wrist to your elbow is the length of your foot BONES humerus (trochlea)
ulna (trochlear notch)
radius Arm curl with weight or exercise band LIGAMENTS ulnar collateral ligament
radial collateral ligament
annular ligament Materials you can use: Weights, body weight, exercise bands Brachioradialis: Straighten arm out in from of you and push your palm downward until you feel a stretch. (and wrist flexors) Brachioradialis: Flex and extend the wrist with or without weight Straighten arm, palm out and stretch arm backwards. Walls are helpful in this exercise Raise arm up to the head, bend your elbow behind your head and use slight pressure with your other hand to push your arm further backward MUSCLES biceps brachii (origin: scapula and humerus; insertion: radius)
triceps brachii (humerus; ulna) Major Muscles Others brachialis (humerus; ulna)
brachioradialis (humerus; radius)
pronator quadratus (ulna; radius)
pronator teres (ulna, humerus; radius)
supinator (humerus; radius)
anconeus (humerus; olecranon) Primary Tendons triceps tendon - attaches to ulna Synovial Joint: Elbow Part 1
Bones of the joint
Injuries to the bones
Treatment Contents Part 2
Muscles, ligaments and tendons
Injuries to the muscles
Prevention: strengthen and stretch exercises Fractures All bones are susceptible to a fracture. Whether it be during your infancy where calcification is incomplete, old age where calcium levels decrease or our youth, fractures will occur as long as the physical force exerted on the bone is stronger than the bone itself. All breaks may vary. Some may not be severe, some require surgery due to its extensive damage. If surgery is needed, this is called a comminuted fracture. Reconstruction of the bone is necessary. Comminuted in Humerus Compound Fracture Hairline Fracture Dislocation Falling on an outstretched arm
Can lead to entrapment of the radial nerve, as well as rupture blood vessels
Damage to nerves and vessels running through elbow causes impairment of movement and feeling in arm and hand Treatment biceps tendon - attaches to radius Taping or arm braces (to help the bone set and prevent further damage)
Surgery (bone reconstruction, metal braces to hold the bones together) Movements: Common Injuries to the Muscles, Tendons and Ligaments Overuse of the muscles in the forearm and by extension, the tendons connected to the lateral epicondyle of the humerus
Golfer's elbow (medial epicondylitis): similar to tennis elbow, but on the medial epicondyle
Due to repetitive use in the same motions, not necessarily sport related Symptoms pain when grasping an object
pain when trying to stabilize arm
increasing pain in the outside of elbow Tennis Elbow(Tendinitis) Irritation and inflammation of the bursa sac between the olecranon and the skin.
Due to excessive use of the joint, pressure on the bursa, blow to the elbow, or infection
Also called "Popeye elbow" as the inflammation of the bursa sac results in a bump in the back of the elbow resembling Popeye's Symptoms pain in elbow movement
redness (in streaks) around site of infection Olecranon Bursitis Treatment Tennis elbow:
Rest and reduce usage of the forearm muscles
Over-the-counter painkillers to relieve the pain
If condition worsens or does not improve in six months, see doctor for possible surgery Olecranon bursitis:
Draining of excess fluid with needle
Injection of medicine into sac to reduce inflammation
Modification of habits to reduce pressure on bursa sac
Antibiotics to treat infection
Removal of bursa sac Benefits of Stretching and Strengthening the Elbow Helps stabilize joint and reduces risk of injury
Speeds up recovery time
Increases arm strength
Increases circulation
Increases flexibility
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