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