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Posterior Muscles D2

QuestionAnswer
Splenius capitis N: cervical spinal nerves
Erector spinae N: cervical spinal nerves
Trapezius O: occipital bone, ligamentum nuchae, spinous process of C7-T12 I: spine & acromion of scapula, lateral 1/3 of clavicle N: accessory nerve, spinal nerves C3-C4
Levator scapulae O: transverse processes of C1-C4 I: superior vertebral border of scapula N: spinal nerves C3-C5
Rhomboideus minor O: spinous processes of C7-T1 I: medial border of scapula, superior to rhoboideus major N: spinal nerve C5
Rhomboideus major O: spinous processes of T2-T5 I: medial border of scapula from spine to inferior angle N: spinal nerve C5
Supraspinatus O: supraspinous fossa of scapula I: greater tubercle of humerus N: suprascapular nerve
Infraspinatus O: infraspinous fossa of scapula I: greater tubercle of humerus N: suprascapular nerve
Subscapularis O: subscapular fossa of scapula I: lesser tubercle of humerus N: subscapular nerve
Teres minor O: lateral scapular border I: greater tubercle of humerus N: axillary nerve
Teres major O: inferior angle of scapula I: intertubercular groove of humerus N: subscapular nerve
Latissimus dorsi O: spines of T7-L5, ribs 8-12, iliac crest, thoracolumbar fascia I: intertubercular groove of humerus N: thoracodorsal nerve (C6-C8)
Deltoid (multipennate) O: spine & acromion of scapula, lateral 1/3 of clavicle I: deltoid tuberosity of humerus N: axillary nerve
Triceps brachii (long,medial,lateral heads) O: long head- infraglenoid tubercle of scapula; lateral head- proximal end of lateral humeral margin; medial head- distal to radial groove on posterior humeral shaft I: olecranon process of ulna N: radial nerve
Anconeus O: lateral epicondyle of humerus I: lateral aspect of olecranon process of ulna N: radial nerve
Flexor carpi radialis N: median nerve
Palmaris longus N: median nerve
Flexor carpi ulnaris N: ulnar nerve
Flexor digitorum superficialis N: median nerve
Flexor pollicis longus N: median nerve
Flexor digitorum profundus N: median half- ulnar nerve; lateral half- median nerve
Flexor retinaculum N: median nerve
Pronator quadratus N: median nerve
Gluteus maximus O: dorsal ilium, sacrum, coccyx, lumbodorsal fascia I: gluteal tuberosity of femur & iliotibial tract N: inferior gluteal nerve
Gluteus medius O: anterior iliac crest ilium between posterior & anterior gluteal lines I: greater trochanter of femur N: superior gluteal nerve
Gluteus minimus O: lateral surface of ilium between inferior & anterior gluteal lines I: greater trochanter of femur N: superior gluteal nerve
Piriformis O: anterolateral surface of sacrum I: greater trochanter of femur N: spinal nerves L5-S2
Superior gemellus O: ischial spine I: medial surface of greater trochanter of femur N: spinal nerves L5-S1
Obturator internus O: obturator membrane & obturator foramen I: greater trochanter of femur N: spinal nerves L5-S1
Inferior gemellus O: ischial tuberosity I: medial surface greater trochanter of femur N: spinal nerves L5-S1
Quadratus femoris O: ischial tuberosity I: intertrochanteric crest of femur N: spinal nerves L5-S1
Biceps femoris (Hamstrings) O: long head-ischial tuberosity; short head (lateral)- linea aspera & distal femur I: head of fibula & lateral condyle of tibia N: sciatic nerve
Semitendinosus (Hamstrings) O: ischial tuberosity I: medial aspect of proximal tibial shaft N: sciatic nerve
Semimembranosus (Hamstrings) O: ischial tuberosity I: medial condyle of tibia N: sciatic nerve
Gastrocnemius (Triceps surae) N: tibial nerve
Soleus (Triceps surae) N: tibial nerve
Plantaris N: tibial nerve
Popliteus N: tibial nerve
Flexor digitorum longus N: tibial nerve
Flexor hallucis longus N: tibial nerve
Tibialis posterior N: tibial nerve
Flexor retinaculum N: tibial nerve
Created by: Natasha_bacon