Lab Exam Ligaments Flashcards
Nuchal Ligament
O:
I:
A:
O: External occipital protuberance
I: Spinous process of C7
A: Limits hyperflexion of neck, attachment for trapezius and splenius capitis
Acromioclavicular Ligament
O:
I:
A:
O: Lateral clavicle
I: Medial acromion
A: Reinforce joint capsule and act as restraint to posterior translation and rotation of AC joint
Coracoacromial Ligament
O:
I:
A:
O: Superior coracoid process
I: Inferior acromion
A: Restraint to superior humeral head displacement, horizontal AC joint stability
Coracoclavicular Ligament
O:
I:
A:
O: Coracoid process
I: Inferolateral clavicle
A: Production of longitudinal rotation of clavicle to allow full ROM, horizontal stability
Medial Meniscus
Location:
A:
Location: Cartilaginous disk on medial tibial plateau, cradles the medial femoral condyle
A: Absorb shock, provide lubrication for the knee
Lateral Collateral Ligament
O:
I:
A:
O: Lateral epicondyle
I: Head of the fibula
A: Prevents excess varus stress and posterior-lateral rotation of the knee
Medial Collateral Ligament
O:
I:
A:
O: Medial epicondyle
I: Posterior medial tibia
A: Prevents excess valgus stress and posterior-medial rotation of the knee
Anterior Talofibular Ligament
O:
I:
A:
O: Lateral malleolus of fibula
I: Neck of the talus
A: Resist inversion and plantarflexion
Calcaneofibular Ligament
O:
I:
A:
O: Lateral calcaneus
I: Lateral malleolus of fibula
A: Resists inversion
Anterior Tibiofibular Ligament
O:
I:
A:
O: Anterior lateral malleolus
I: Anterolateral tibia
A:
Deltoid Ligament
O:
I:
A:
O: Distal medial malleolus
I: Navicular, calcaneus, talus
A: Resists eversion
Spring Ligament (Calcaneonavicular)
O:
I:
A:
O: Medial inferior calcaneus
I: Medial plantar surface of navicular
A: Restraint of medial longitudinal arch