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