Origins And Insertions Flashcards
Masseter
Proximal - zygomatic arch
Distal - coronoid process, angle and ramus of mandible
Splenius capitus
Proximal - ligamentum nuchae of C3-C6 and spinous processes of C7-T3
Distal - superior nuchal line of occipital bone, mastoid process of temporal bone
Splenius cervicis
Proximal - spinous processes of T3-T6
Distal - transverse processes of C1-C3
Gastrocnemius
Proximal - lateral and medial condyles of femur
Distal - calcaneus via calcaneal tendon (Achilles)
Soleus
Proximal - head and proximal shaft of fibula, medial border of tibia
Distal - calcaneus via calcaneal tendon
Sternocleidomastoid
Proximal - manubrium of sternum, sternal end of clavicle (splits into two heads)
Distal - mastoid process of temporal bone
Tibialis anterior
Proximal - lateral condyle and proximal shaft of tibia
Distal - metatarsal I, medial cuneiform
Piriformis
Proximal - anterolateral surface of sacrum
Distal - greater trochanter of femur
Gluteus Minimus
Proximal - lateral surface of ilium
Distal - greater trochanter of femur
Gluteus Medius
Proximal - iliac crest
Distal - greater trochanter of femur
Gluteus Maximus
Proximal - iliac crest, sacrum, coccyx
Distal - iliotibial tract, linea aspera
Tensor Fasciae Latae
Proximal - iliac crest, anterior superior iliac spine
Distal - iliotibial tract
Biceps Femoris - long head
Proximal - ischial tuberosity
Distal - head of fibula, (lateral condyle of tibia)
Bicep Femoris - short head
Proximal - linea aspera of femur
Distal - head of fibula
Semimembranosus
Proximal - ischial tuberosity
Distal - medial condyle of tibia
Semitendinosus
Proximal - ischial tuberosity
Distal - proximal medial surface of tibia
Gracilis
Proximal - inferior ramus and body of pubis
Distal - upper medial surface of tibia
Iliacus
Proximal - iliac fossa
Distal - lesser trochanter of femur
Psoas Major
Proximal - T12-L5 vertebrae
Distal - lesser trochanter of femur
Sartorius
Proximal - anterior superior iliac spine
Distal - tibial tuberosity, medial side
Rectus Femoris
Proximal - anterior inferior iliac spine
Distal - patella via quadriceps tendon and then tibial tuberosity via patellar ligament
Vastus Lateralis, Medialis, and Intermedius
Proximal - femur
Distal - patella via quadriceps tendon and then tibial tuberosity via patellar ligament
Biceps Brachii - long head
Proximal - supraglenoid tubercle of scapula
Distal - radial tuberosity
Biceps Brachii - short head
Proximal - coracoid process of scapula
Distal - radial tuberosity
Coracobrachialis
Proximal - coracoid process of scapula
Distal - middle medial shaft of humerus
Brachialis
Proximal - distal, anterior half of humerus
Distal - coronoid process of ulna
Brachioradialis
Proximal - lateral humerus
Distal - styloid process of radius
Triceps Brachii - long head
Proximal - infraglenoid tubercle of scapula
Distal - olecranon process of ulna
Triceps Brachii - lateral head
Proximal - posterior shaft of humerus
Distal - olecranon process of ulna
Triceps Brachii - medial head
Proximal - posterior shaft of humerus distal to radial groove
Distal - olecranon process of ulna
Supraspinatus
Proximal - supraspinous fossa of scapula
Distal - greater tubercle of humerus
Infraspinatus
Proximal - infraspinous fossa of scapula
Distal - greater tubercle of humerus
Teres Minor
Proximal - lateral border of scapula
Distal - greater tubercle of humerus
Subscapularis
Proximal - subscapular fossa of scapula
Distal - lesser tubercle of humerus
Teres Major
Proximal - lateral border and angle of scapula
Distal - lesser tubercle and intertubercular sulcus of humerus
Latissimus Dorsi
Proximal - spinous processes of lower thoracic vertebrae, lower ribs 8-12, iliac crest
Distal - intertubercular sulcus of humerus
Deltoid
Proximal - acromial end of clavicle, acromion and spine of scapula
Distal - deltoid tuberosity of humerus
Pectoralis Major
Proximal - clavicle, costal cartilages
Distal - greater tubercle and lateral intertubercular sulcus of humerus
Trapezius
Proximal - occipital Bone, ligamentum nuchae and spinous processes of C7-T12
Distal - lateral clavicle, spine and acromion of scapula
(lecture only)
Serratus anterior
Proximal - ribs 1-9,
Distal - costal medial surface of scapula
(lecture only)
Pectoralis minor
Proximal - ribs 3-5
Distal - coracoid process of scapula
(lecture only)
Supinator
Proximal - lateral epicondyle
Distal - radius
Pectineus, adductor longus, brevis, and magnus
Proximal - pubis
Distal - linea aspera
Rectus abdominus
Proximal - xiphoid process of sternum, costal cartilages 5-7
Distal - pubic symphysis and crest
External and internal obliques, transversus abdominus
Proximal - linea alba