sleected synovial joints

Shoulder joint

Also called glenohumeral and most freely movable joint in body

Glenoid labrum

Fibrocartilaginous rim around glenoid cavity

Reinforcing ligaments

Corcacohumerla ligament and glenohumeral ligaments

Coracohumeral joint

Helps support weight of upper limb

Glenohumeral ligaments

Strengthen anterior capsule but are weak support

Rotator cuff tendons

Subscapularis, supraspinatus, infraspinatus, teres minor

Shoulder dislocations

Common injuries due to mobility in the shoulder

Glenoid cavity

Provides poor support when humerus is rotated laterally and abducted

Elbow joint

Humerus articulates with radius and ulna

Anular ligament

Surrounds head of radius

Ulnar and radial collateral ligament

Two capsular ligaments restrict side to side

Hip joint

Also called coxal and is good range of motion but limited by the deep socket

Acetabular labrum

Rim of cartilaginous that enhances depth of socket (hip dislocations are rare)

Hip reinforcing ligaments

Lliofemural, pubofemroal, ischiogemoral, ligamentum teres

Ligamentum teres

Slack during most hip movements so not important stabilizer and does contain artery that’s supply’s head of femur

Knee joint

Largest and most complex joint of body

3 joints

Knee has how many joints surrounded by single cavity

Femoropatellar joint

Plane joint and allows gliding motion during knee flexion

Tibiofemoral joint

Laterla and medial joints together are called

Lateral and medial joint

Joint between femoral condoles and lateral and medial menisci of tibia

Patellar ligament

Ligament to test knee jerk reflex

Medial and lateral patellar retinacular patellar ligament

Quadriceps gives rise to 3 broad ligaments that run from patella to tibia

Capsular, intrascapular, and extra scapular

Stabilize knee joint

Fibular and tibial collateral

Prevent rotation when knee is extended

Arcuate popliteal

Reinforces joint capsule posteriorly

Oblique popliteal

Stabilizes posterior knee joint

Intrascacpular

Reside within capsule but outside synovial cavity

Anterior cruciate ligament

Attaches to anterior tibia and prevents sliding of tibia and stops hyperextension of knee

Posterior cruciate ligament

Attaches to posterior tibia and prevents backward sliding of tibia and forward sliding of femur