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BIOM 2021 - Lab > Week 3 and 4 - Muscle Identification and Information > Flashcards

Week 3 and 4 - Muscle Identification and Information Flashcards

1
Q

Pectoantebrachialis

A
  • Ventral muscle
  • Absent in humans
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2
Q

Pectoralis major

A
  • Ventral muscle
  • Relatively large in humans
  • Origin: Clavice, sternum, ribs 1-6
  • Insertion: Proximal humerus
  • Major action(s): Flexion, adduction and medial rotation of humerus/shoulder/arm
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3
Q

Pectoralis minor

A
  • Ventral muscle
  • Relatively small in humans
  • Origin: Ribs 3-5
  • Insertion: Coracoid process of scapula
  • Major action(s): Elevates ribs; protracts, medially rotates, and depresses scapula
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4
Q

Xiphihumeralis

A
  • Ventral muscle
  • Absent in humans
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5
Q

Serratus anterior (humans); Serratus ventralis (cats)

A
  • Ventral muscle
  • Origin: Ribs 1-9
  • Insertion: Vertebral border of scapula
  • Major action(s): Elevates ribs; protracts, laterally rotates, and depresses scapula
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6
Q

Subscapularis

A
  • Ventral muscle
  • Origin: Subscapular fossa of scapula
  • Insertion: Lesser tubercle of humerus
  • Major action(s): Medial rotation of humerus/shoulder/arm; stabilizes shoulder joint anteriorly
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7
Q

Triceps brachii (all 3 heads)

A
  • Ventral muscle
  • Origin: scapula and posterior humerus
  • Insertion: olecranon process of ulna
  • Major action(s): extends forearm/elbow
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8
Q

Biceps brachii (both heads)

A
  • Ventral muscle
  • Origin: Coracoid process of scapular and lip of glenoid cavity
  • Insertion: Radial tuberosity
  • Major action(s): Flexes humerus/shoulder/arm; flexes forearm/elbow; supinates forearm
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9
Q

External oblique

A
  • Ventral muscle
  • Origin: Sternum, ribs 5-12
  • Insertion: Iliac crest, linea alba via broad aponeurosis, pubis
  • Major action(s): Flexes, rotates, and laterally flexes spine
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10
Q

Internal oblique

A
  • Ventral muscle
  • Origin: Iliac crest, inguinal ligament, thoracolumbar fascia
  • Insertion: Ribs 9-12, linea alba, pubis
  • Major action(s): Flexes, rotates and laterally flexes spine
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11
Q

Rectus abdominis

A
  • Ventral muscle
  • Origin: Pubic crest and symphysis
  • Insertion: Ribs 5-7, xiphoid process
  • Major action(s): Flexes spine
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12
Q

Sartorius

A
  • Ventral muscle
  • Origin: Iliac crest
  • Insertion: Medial tibia
  • Major action(s): Flexes, abducts, and laterally rotates of thigh/hip/femur; flexes knee/leg
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13
Q

Tensor fascia lata

A
  • Ventral muscle
  • Origin: Iliac crest
  • Insertion: Tibial tuberosity, patella via quadriceps tendon
  • Major action(s): Extends knee/leg
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14
Q

Rectus femoris

A
  • Ventral muscle
  • Origin: Ilium, acetabulum
  • Insertion: Tibial tuberosity, patella via quadriceps tendon
  • Major action(s): Extends knee/leg; flexus thigh/hip/femur
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15
Q

Vastus medialis

A
  • Ventral muscle
  • Origin: Medial femur
  • Insertion: Tibial tuberosity, patella via quadriceps tendon
  • Major action(s): Extends knee/leg
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16
Q

Gracilis

A
  • Ventral muscle
  • Origin: Pubis
  • Insertion: Medial tibia
  • Major action(s): Adducts thigh/hip/femur; flexes knee/leg
17
Q

Adductor longus

A
  • Ventral muscle
  • Origin: Pubis
  • Insertion: Posterior femur
  • Major action(s): Adducts thigh/hip/femur
18
Q

Adductor magnus (humans); Adductor femoris (cats)

A
  • Ventral muscle
  • Origin: Pubis, ischium
  • Insertion: posterior femur
  • Major action(s): adducts and extends thigh/hip/femur
19
Q

Semitendinosus

A
  • Ventral muscle
  • Origin: Ischial tuberosity
  • Insertion: Medial tibia
  • Major action(s): Extends thigh/hip/femur; flexus knee/leg
20
Q

Semimembranosus

A
  • Ventral muscle
  • Origin: Ischial tuberosity
  • Insertion: Medial condyle of tibia
  • Major action(s): Extends thigh/hip/femur; flexes knee/leg
21
Q

Trapezius (humans - 1 muscle); Cats:

A
  • Dorsal muscle
  • 3 separate muscles: clavotrapezius, acromiotrapezius, spinotrapezius
22
Q

Deltoid (humans - 1 muscle); Cats:

A
  • Dorsal muscle
  • 3 separate muscles: clavodeltoid, acromiodeltoid, spinodeltoid
23
Q

Latissimus dorsi

A
  • Dorsal muscle
  • Origin: Spinous processes of T7-L5, sacrum, ribs 9-12, thoracolumbar, fascia, iliac crest
  • Insertion: Humerus
  • Major action(s): Adduction, extension, and medial rotation of humerus/shoulder/arm
24
Q

Levator scapulae (humans); Levator scapulae ventralis (cats)

A
  • Dorsal muscle
  • Origin: Transverse processes of C1-C4
  • Insertion: Vertebral border of scapula
  • Major action(s): Elevation of scapula
25
Q

Rhomboideus major and minor (humans); Rhomboideus (cats)

A
  • Dorsal muscle
  • Origin: Spinous processes of C7-T1, T2-T5
  • Insertion: Vertebral border of scapula
  • Major action(s): Stabilizes, elevates, retracts, and medially rotates scapula
26
Q

Supraspinatus

A
  • Dorsal muscle
  • Origin: Supraspinous fossa of scapula
  • Insertion: Greater tubercle of humerus
  • Major action(s): Abduction of humerus/shoulder arm; stabilizes shoulder joint superiorly
27
Q

Infraspinatus

A
  • Dorsal muscle
  • Origin: Infrasinous fossa of scapula
  • Insertion: Greater tubercle of humerus
  • Major action(s); lateral rotation of humerus/shoulder/arm; stabilizes shoulder joint posteriorly
28
Q

Gluteus medius

A
  • Dorsal muscle
  • Origin: Ilium
  • Insertion: Greater trochanter of femur
  • Major action(s): Abducts thigh/hip/femur; steadies pelvis
29
Q

Gluteus maximus

A
  • Dorsal muscle
  • Origin: Dorsal ilium, sacrum, coccyx
  • Insertion: Femur
  • Major action(s): Extends, abducts and laterally rotates of thigh/hip/femur
30
Q

Chaudofemoralis

A
  • Dorsal muscle
  • Absent in humans
31
Q

Biceps femoris (both heads)

A
  • Dorsal muscle
  • Origin: Mid-femur and ischial tuberosity
  • Insertion: Head of fibula
  • Major action(s): Extends thigh/hip/femur; flexes knee/leg
32
Q

Gastrocnemius

A
  • Dorsal muscle
  • Origin: 2 heads - lateral and medial condyles of femur
  • Insertion: Calcaneus via achilles/calcaneal/gastrocnemius tendon
  • Major action(s): Flexes knee/leg; plantar flexes foot
33
Q

Soleus

A
  • Dorsal muscle
  • Origin: Posterior tibia and fibula
  • Insertion: Calcaneus via achilles/calcaneal/gastrocnemius tendon
  • Major action(s): Plantar flexes foot
34
Q

Achilles/calcaneal/gastrocnemius tendon

A
  • Dorsal muscle

BIOM 2021 - Lab (4 decks)

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