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Ligaments

Location, Function

LIGAMENTLOCATIONFUNCTION
Inferior Pubic Ligament B/T inferior pubic rami Strengthens inferior portion of pubic symphysis
Superior Pubic Ligament Attaches to pubic tubercles Strengthens superior and anterior portions of pubic symphysis
Iliolumbar Ligament TVP of L5 to ala of sacrum Limits rotation of L5 on S1. Prevents L5 from moving anterior on S1.
Sacrospinous Ligament Lower, lateral sacrum and coccyx (posterior), attaches to ischial spine This along with the Sacrotuberous ligament converts the greater sciatic notch into a foramen for passage of the sciatic nerve
Sacrotuberous Ligament B/T PSIS & PIIS, posterior surface of sacrum & coccyx. Come together on ischial tuberosity VERY STRONG, attachment for gluteus maximus, Prevents forward rotation of the sacrum
Long Posterior Sacroiliac Ligament B/T PSIS & Lower portion of sacrum Prevents downward movement of sacrum
Short Posterior Sacroiliac Ligament B/T ilium & Upper sacrum on dorsal surface Prevents forward movement of sacrum
Interosseous Sacroiliac Ligament Connects tuberosities of ilium to sacrum STRONGEST
Anterior Sacroiliac Ligament Connects ala & pelvic surface of sacrum to auricular surface of ilium Provides stability to the joint anteriorly
Iliofemoral Ligament Limits Hyperextension of Hip
Pubofemoral Ligament Acetabular labrum to superior ramus of pubis and neck of femur Limits Hyperextension and abduction of hip
Ischiofemoral Ligament Ischial portion of acetabulum to femoral neck Limits hyperextension and medial rotation of the hip
Deltoid Ligament Through calcaneus, navicular, talus, and attaches to the tibia Helps support medial longitudinal arch
Lateral Ligament Calcaneus, Talus, and fibula Provides support to the lateral longitudinal arch
Spring Ligament Calcaneus to Navicular Supports medial side of medial longitudinal arch
Long Plantar Ligament Calcaneus, cuboid, base of 3-5 MT Primary support of lateral longitudinal arch
Short Plantar Ligament Calcaneus to cuboid Supports lateral longitudinal arch
Plantar Aponeurosis Calcaneus to proximal phalanges Supports arches, keeps posterior segments from separating from anterior segments.
Anterior Cruciate Ligament From ant. tibia to post. femur Provides support in sagittal plane, keeps femur from displacing posteriorly on tibia, tightens during extension
Posterior Cruciate Ligament From post. tibia to ant. femur Provides stability in sagittal plane, prevents femur from displacing anteriorly on tibia, tightens during flexion
Medial Collateral Ligament Tibia and medial epicondyle and medial meniscus Provides medial stability in the frontal plane
Lateral Collateral Ligament Fibula, lateral epicondyle Provides lateral stability in the frontal plane
Medial and Lateral Meniscus Superior surface of tibia Shock absorption, deepen joint surface
Medial Collateral Ligament in elbow Medial epicondyle of humerus to medial side of coronoid process and olecranon process Provides medial stability
Lateral Collateral Ligament in elbow Lateral epicondyle of humerus to annular ligament and lateral ulna Provides lateral stability
Annular Ligament Ant. and Post. to radial notch of ulna. Encompasses head of radius Holds head of radius against ulna
Radial Collateral Ligament Styloid process of radius to scaphoid and trapezium Provides lateral stability
Ulnar Collateral Ligament Styloid process of ulna to pisifrom and triquetrum Provides medial stability
Palmar Radiocarpal Ligament Ant. surface of distal radius and ulna to anterior surface of proximal carpal bones and capitate in distal row Thick, Tough, Limits wrist extension
Dorsal Radiocarpal Ligament Post. surface of distal radius to post. scaphoid, lunate and triquetrum Limits wrist flexion
Articular Disk Distal end of ulna to triquetrum and lunate Shock absorption, filler *ulna shorter than radius*
Palmar Fascia Palm of hand Thick, provides protection for structures of the palm
Flexor Retinaculum Anterior surface Holds flexor tendons against wrist, prevents carpal bones from separating
Palmar Carpal Ligament Part of flexor retinaculum, styloid process of radius and ulna same as flexor retinaculum
Transverse Carpal Ligament Part of flexor retinaculum, Pisiform, hook of hamate (medially), Scaphoid, trapezium (Laterally) Forms tunnel for tendons and median nerve *Carpal Tunnel*
Extensor Retinaculum Posterior, Styloid process of ulna medially, triquetrum, pisiform, and lateral side of radius Holds extensor tendons close to wrist
Costoclavicular Ligament Clavicle to costal cartilage of 1st rib Limits amount of clavicular elevation
Interclavicular Ligament Top of manubrium connecting sternal ends of clavicles Limits amount of clavicular depression
Sternoclavicular Ligament B/T Sternum and clavicle Reinforces Joint Capsule
Coracoclavicular Ligament Coracoid process and clavicle - Trapezoid laterally, Conoid medially Provides stability
Coracoacromial Ligament Coracoid and acromion Protective arch over head of humerus
Lumbosacral Ligament TVP of L5 to ala of sacrum
Created by: SaraBranch