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