Relier Pairs Unit 2 Part 3: The Appendicular SkeletonVersion en ligne Information on the appendicular portion of the skeleton and its features par Abigail Scott 1 Functions of the Appendicular Skeleton 2 Bones of the Appendicular Skeleton Upper: Clavicle, Scapula, Humerus, Radius, Ulna, Carpals, Metacarpals, Phalanges Lower: Coxa, Femur, Tibia, Fibula, Tarsals, Metatarsals, Phalanges Vertical support, support the head, protect the spinal cord 1 Supraspinous Fossa 2 Glenoid Fossa 3 Scapula Features 4 Clavicle 5 Scapular Spine 6 Scapula 7 Coracoid Process 8 Consists of 9 Sternal End 10 Acromial Process 11 Fossae 12 Subscapular Fossa 13 Clavicle Features 14 Pectoral Girdle (Shoulder) 15 Acromial End 16 Infraspinous Fossa Articulates with the acromial process of the scapula = Acromioclavicular joint Acromial Process, Coracoid Process, Scapular Spine, & Fossae Smaller lateral projection, more anterior Site of muscle attachment (pectoralis minor & biceps brachii) Inferior to the scapular spine Site of muscle attachment (infraspinatus) Anterior side of the scapula (closest to ribcage) Site of muscle attachment (subscapularis) Articulates with the clavicular notch of the manubrium (sternum) = Sternoclavicular joint The ridge between Supraspinous & Infraspinous fossae Site of muscle attachment (trapezius, etc.) "collarbone" Sternal end & acromial end "shoulder blade" LARGER lateral projection, more posterior Articulates with the acromial end of the clavicle = Acromioclavicular joint Supraspinous, Infraspinous, Subscapular, & Glenoid Clavicle (2) & Scapula (2) Lateral For head of humerus Attaches the upper limbs to the trunk (the sternum) superior to the scapular spine Site of muscle attachment (supraspinatus) 1 Humerus 2 Parts of the Upper Limb 3 Metacarpals 4 Carpals Components 5 Phalanges 6 Carpals 7 Metacarpals Components 8 Ulna Components 9 Humerus Components 10 Radius Components 11 Radius & Ulna 12 Phalanges Components Head, Greater Tubercle, Lesser Tubercle, Deltoid Tuberosity, Medial Epicondyle, Lateral Condyle, Capitulum, Trochlea, Olecranon Fossa Head, Radial Tuberosity, Ulnar Notch, Carpal Surface, 5 in total; Not named but numbered I (Lateral, thumb) - V (Medial, pinky) Forearm (antebrachium) Bones of the wrist Trochlear Notch, Olercranon, Ulnar Tuberosity, Radial Notch, Head 8 in total; Only need to know scaphoid 14 in total; 5 proximal, 4 middle, & 5 distal; numbered 1-5 from thumb to pinky - proximal & distal; numbered 2-4 from index to pinky - middle Bones of the fingers Humerus, Radius, Ulna, Carpals, Metacarpals, & Phalanges Upper Arm (brachium) Bones of the palms 1 Ilium 2 Ilium Features 3 Ischial Tuberosity 4 Pelvic Girdle 5 Ischium Features 6 Bones of the Os Coxa 7 Components of Pelvic Girdle 8 Os Coxa 9 Pubis 10 Pubic Symphysis 11 Iliac Crest 12 Iliac Fossa 13 Ischium 14 Auricular Surface Largest of the 3 bones; Superior portions of the coxa; Articulates with the sacrum Articulates with the auricular surface of the sacrum = sacroiliac (SI) joint Inferior, anterior portion of the coxa Articulates with the other coxa at the pubic symphysis Inferior, posterior portion of the coxa What you sit on (“sits bone”) Site of muscle attachment (adductor magnus, hamstrings) Ischial Tuberosity 2 Coxa Iliac Crest, Iliac Fossa, Auricular Surface What you put your hands on when you rest your hands on your “hips” Site of muscle attachment Ilium, Ischium, Pubis 3 bones that fuse during puberty at the acetabulum (hip joint) Large, smooth, concave surface Site of muscle attachment (internal hip muscles) attaches lower limbs to the trunk (sacrum), supports body weight, protects pelvic organs fibrocartilage disk absorbs shock while walking & allows for childbirth 1 Components of the Patella 2 Metatarsals 3 Patella 4 Components of the Tibia 5 Components of the Fibula 6 Components of the Tarsals 7 Components of the Lower Limb 8 Components of the Phalanges 9 Tibia 10 Femur 11 Fibula 12 Components of the Metatarsals 13 Phalanges 14 Tarsals 15 Components of the Femur Head, Greater Trochanter, Lesser Trochanter, Linea Aspera, Medial Condyle, Lateral Condyle, Patellar Surface 7 in total; Only need to know Talus and Calcaneus Base & Apex Medial Condyle, Lateral Condyle, Medial Malleolus, Fibular Notch the "thigh"; Longest, strongest, and heaviest bone of the body; At an angle Femur, Patella, Tibia, Fibula, Tarsals, Metatarsals, Phalanges 5 in total; named I-V from medial (big) to lateral (baby) Bigger of the lower leg bones; Medial bone Smaller of the lower leg bones; Lateral bone Bones of the back foot Bones of the toes Bones of the middle foot 14 in total; 5 proximal, 4 middle, & 5 distal; numbered 1-5 from thumb to pinky - proximal & distal; numbered 2-4 from index to pinky - middle Sesamoid bone - grows within the tendon; protects the knee when kneeling Head, Lateral Malleolu 1 patellar ligament 2 quadricep tendon 3 menisci 4 Posterior Cruciate Ligament (PCL) 5 Lateral Collateral Ligament (LCL) 6 Medial Collateral Ligament (MCL) 7 Collateral Ligaments 8 Anterior Cruciate Ligament (ACL) 9 Cruciate Ligaments 10 Knee Between medial femur and tibia; Prevents hyperabduction (keeping it from moving too far laterally) fibrocartilage pads between the femoral and tibial condyles from muscle to the patella (above knee) from patella to the tibial tuberosity (below knee) Stabilize the sides of the joint; LCL & MCL joint of femur, patella, tibia, fibula stabilize the front and back of the tibiofemoral joint; ACL & PCL posterior, popliteal region anterior, behind patella, crosses in front of PCL Between lateral femur and fibula; Prevents hyperadduction (keeping it from moving too far medially)
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