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