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Posterior Muscles

Terms in this set (49)

Splenius capitus
N: Cervical Spinal Nerves
Erector Spinae
A: prime mover of back extension
Trapezius
O: occipital bone, ligamentum nuchae, and spinous processes of C7- T12
I: spine and acromion of scapula, lateral 1/3 of clavicle
N: Accessory Nerve (CN XI); Spinal Nerves C3-C4
Levator scapulae
O: transverse processes of C1-C4
I: superior vertebral border of scapula
N: Spinal Nerves C3-C5 (C5 via the dorsal scapular nerve)
Rhomboideus major
O: spinous processes of T2-T5
I: medial border of scapula from spine to inferior angle
N: Spinal Nerve C5 (via dorsal scapular nerve)
Rhomboideus minor
O: spinous processes of C7-T1
I: medial border of scapula, superior to rhomboideus major
N: Spinal Nerve C5 (via dorsal scapular nerve)
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 major
O: inferior angle of scapula
I: intertubercular groove of humerus
N: Subscapular Nerve
Teres minor
O: lateral scapular border
I: greater tubercle of humerus
N: Axillary Nerve
Latissimus dorsi
O: spines of T7-T12, L1-L5, ribs 8-12, iliac crest, and thoracolumbar fascia
I: intertubercular groove of humerus
N: Thoracodorsal Nerve (C6-C8)
Triceps brachii
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
Pronator teres
N: Median Nerve
Flexor carpi radialis
N: Median Nerve
Palmaris longus
N: Median Nerve
Flexor carpi ulnaris
N: Ulnar Nerve
Flexor pollicis longus
N: Median Nerve
Flexor digitorum superficialis
N: Median Nerve
Flexor digitorum profundus
N: medial half- ulnar nerve; lateral half- median nerve
Flexor retinaculum
Dense fascia;
ID only
Gluteus maximus
O: dorsal ilium, sacrum, coccyx, and lumbodorsal fascia
I: gletueal tuberosity of femur and iliotibial tract
N: Inferior Gluteal Nerve
Gluteus medius
O: anterior iliac crest of ilium between posterior and anterior gluteal line
I: greater trochanter of femur
N: Superior Gluteal Nerve
Gluteus minimus
O: lateral surface of ilium between inferior and 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 and obturator foramen
I: Greater trochanter of femur
N: Spinal Nerves L5- S1
Inferior gamellus
O: ischial tuberosity
I: medial surface of greater trochanter of femur
N: Spinal Nerves L5-S1
Quadratus femoris
O: ischial tuberosity
I: intertrochanteric crest of femur
N: Spinal Nerves L5- S1
Hamstrings
Biceps femoris, semitendinosus, semimembranosus
Biceps femoris
O: long head- ischial tuberosity; short head- linea aspera and distal femur
I: head of fibula and lateral condyle of tibia
N: Sciatic Nerve
Semitendinosus
O: ischial tuberosity
I: medial aspect of proximal tibial shaft
N: Sciatic Nerve
Semimembranosus
O: ischial tuberosity
I: medial condyle of the tibia
N: Sciatic Nerve
Triceps surae
Gastocnecmius, soleus
Gastrocnecius
O: lateral head- lateral condyle of femur; medial head- medial condyle of femur
I: calcaneus via calcaneal tendon
N: Tibial Nerve
Soleus
O: proximal tibia and fibula, and interosseous membrane
I: calcaneus via calcaneal tendon
N: Tibial Nerve
Plantaris
N: Tibial Nerve
Popliteus
N: Tibial Nerve
Flexor digitorum longus
N: Tibial Nerve
Tibialis posterior
N: Tibial Nerve
Flexor hallucis longus
N: Tibial Nerve
Flexor retinaculum
Dense fascia,
ID only
Carpal Tunnel Syndrome
Inflammation within the sheath surrounding the flexor tendons of the palm
Rotator cuff (Shoulder injuries)
The muscles that surround the shoulder joint; a frequent site of sports injuries
Intramuscular injection (IM)
Introduces a fairly large amount of a drug, which will then enter the circulation gradually
Hernia (abdominal, inguinal and hiatal/diaphragmatic)
Hernia-a condition involving an organ or body part that protrudes through an abnormal opening
Diaphragmatic hernia (hiatal)- a hernia that occurs when abdominal organs slide into the thoracic cavity through an opening in the diaphragm
Inguinal hernia- a condition in which the inguinal canal enlarges and abdominal contents are forced into the inguinal canal
Compartment Syndrome
Ischemia ("blood starvation") resulting from accumulated blood and fluid trapped within a musculoskeletal compartment
Sports injury
Warming up, stretching, good diet- sprains, strains
THIS SET IS OFTEN IN FOLDERS WITH...