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