Lab Practical 2

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Anatomy and Physiology Flashcards on Lab Practical 2, created by Keyanna Wright on 05/12/2018.
Keyanna Wright
Flashcards by Keyanna Wright, updated more than 1 year ago
Keyanna Wright
Created by Keyanna Wright over 5 years ago
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Resource summary

Question Answer
Deltoid Arm: 10 Body:39 Action: Acting as a whole, prime mover of arm abduction Origin: Lateral 1/3 of clavicle, acromion, and spine of scapula *Insertion: Deltoid tuberosity of humerus
Biceps Brachii Arm: 11 Body: 40 Action: Powerful flexion and supination of forearm Origin: Short head - coracoid process; long head - supraglenoid tubercle and lip of glenoid cavity Insertion: Radial Tuberosity
Biceps Brachialis Arm: 14 Action: Flexor of forearm Origin: Distal portion of anterior humerus *Insertion: Coronoid process of ulna
Pectoralis Minor Body: 22 Action: With ribs fixed, draws scapula forward and inferiorly; with scapula fixed, draws rib cage superiorly Origin: Anterior surface of ribs 3-5 *Insertion: Coracoid process of scapula
Pectoralis Major Body: 17 Action: Prime mover of arm flexion; adducts, medially rotates arm; with arm fixed, pulls chest upward Origin: Clavicle, sternum, cartilage of ribs 1-7 Insertion: Fibers converge to insert by short tendon into intertubercular sulcus of humerus
Triceps Brachii Arm: 16-18 Body: 48 Action: Powerful forearm extensor; antagonist of forearm flexors (brachialis and biceps brachii) Origin: Long head - inferior margin of glenoid cavity; lateral head - posterior humerus; medial head - distal radial groove on posterior humerus *Insertion: Olecranon of ulna
Rectus Abdominis Body: 20 Action: Flexes and rotates vertibral column; increases abdominal pressure; fixes and depresses ribs, stabilizes pelvis during walking Origin: Pubic crest and symphysis Insertion: Xiphoid process and costal cartilages of ribs 5-7
External Oblique Body: 19 Action: Same as internal oblique; Compresses abdominal wall; also aids muscles of back in trunk rotation and lateral flexion Origin: Anterior surface of lower 8 ribs Insertion: Linea alba, pubic crest and tubercles, an iliac crest
Internal Oblique Body: 26 Action: Same as external oblique; Compresses abdominal wall; also aids muscles of back in trunk rotation and lateral flexion Origin: Lumbar fascia, iliac crest, and inguinal ligament Insertion: Linea alba , pubic crest and tubercles, and iliac crest
Transverse Abdominis Body: 25 Action: Compresses abdominal contents Origin: Inguinal ligament, iliac crest, cartilages of last 5-6 ribs and lumbar fascia Insertion: Linea alba and pubic crest
Linea Alba Action: Not a muscle, is a tendinous sheath that runs along the middle of the abdomen from the sternum to the pubic symphysis
Trapezius Body: 35 Action: Extends head, raises, rotates and retracts (adducts) scapula and stabilizes it. Shrugs shoulder Origin: Occipital Bone; spines of C7 and all thoracic vertebrae Insertion: Acromion and spinous process of scapula; lateral 1/3 of clavicle
Flexor Carpi Radialis Arm: 23 Action: Powerful flexor and abductor of the hand
Extensor Carpi Radialis Arm: 20 & 21 Action: Extends and abducts hand
Flexor Carpi Ulnaris Arm: 25 Action: Flexes and adducts hand
Extensor Carpi Ulnaris Arm: 32 Action: Extends and adducts hand
Extensor Digitorum Arm: 30 Action: Prime mover of finger extension; extends hand; can flare (abduct) fingers
Latissimus Dorsi Body: 18 Action: Prime mover of arm extension; adducts and medially rotates arm Origin: Indirect attachment to spinous processes of lower 6 thoracic vertebrae, lumbar vertebrae, last 3 or 4 ribs, and iliac crest Insertion: Floor of intertubercular sulcus of humerus
Iliopsoas Leg: 2 Action: Flex trunk at hip joint; flex thigh; lateral flexion of vertebral column
Pectineus Pectineus Leg: 18 Action: Adducts, flexes and medially rotates thigh
Tensor Fasciae Latae Tensor Fasciae Latae Leg: 3 Action: Flexes, abducts, and medially rotates thigh; steadies trunk
Sartorius Sartorius Leg: 13 Action: Flexes, abducts, and laterally rotates thigh; flexes leg Origin: Anterior superior iliac spine Insertion: By an aponeurosis into medical aspect of proximal tibia
Adductor Longus Adductor Longus Leg: 19 Action: Same as adductor magnus; Adducts, medially rotates, and flexes thigh
Gracilis Gracilis Leg: 20 Action: Adducts thigh; flexes and medially rotates leg, especially during walking Origin: Inferior ramus and body of pubis Insertion: Medical surface of tibia just inferior to medial condyle
Gluteus Medius Leg: 6 Action: Abducts and medially rotates thigh; steadies pelvis during walking Origin: Upper lateral surface of ilium *Insertion: Greater trochanter of femur
Gluteus Maximus Leg: 5 Action: Complex, powerful thigh extensor (climbing stairs but not walking); laterally rotates and abducts thigh Origin: Dorsal Ilium, Sacrum, and Coccyx Insertion: Gluteal tuberosity of femur and iliotibial tract
Iliotibial Tract Leg: 4 Action: Thickened lateral portion of the fascia lata, ensheathes all the muscles of the thigh
Rectus Femoris Rectus Femoris Leg: 14 Action: Extends leg and flexes thigh Origin: Anterior inferior iliac spine and superior margin of acetabulum Insertion: Tibial tuberosity and patella
Vastus Lateralis Vastus Lateralis Leg: 17 Action: Extends leg and stabilizes knee
Vastus Medialis Vastus Medialis Leg: 15 Action: Extends leg; stabilizes patella
Tibialis Anterior Leg: 29 Action: Prime mover of dorsiflexion; inverts foot; supports longitudinal arch of foot Origin: Lateral condyle and upper 2/3 of tibia Insertion: By tendon into inferior surface of first cuneiform and metatarsal (I)
Gastrocnemius Leg: 34 & 35 Action: Plantar flexes foot when leg is extended; crosses knee joint; thus can flex leg Origin: By two heada from medial lateral condyles of femur Insertion: Calcaneus vis calcaneal tendon
Soleus Soleus Leg: 37 Action: Plantar flexion; an important muscle for locomotion Origin: Proximal portion of tibia and fibula Insertion: Calcaneus vis calcaneal tendon
Adductor Magnus Adductor Magnus Leg: 22 Action: Same as adductor longus; Adducts, medially rotates, and flexes thigh
Biceps Femoris Biceps Femoris Leg: 25 & 26 Action: Extends thigh; laterally rotates leg; flexes leg Origin: Ischial tuberosity (long head); linea aspera and distal femur (short head) Insertion: Tendon passes laterally to insert into head of fibula and lateral condyle of tibia
Semitendinosus Semitendinosus Leg: 27 Action: Extends thigh; flexes leg; medially rotates leg
Semimembranosus Semimembranosus Leg: 28 Action: extends thigh; flexes leg; medially rotates leg
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