Term
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Definition
Origin: Manubrium of sternum
Insertion: Fascia of forearm
Action: adducts forearm |
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Term
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Definition
Origin: cartilage of ribs 1-6, sternum, clavicle
Insertion: greater tubercle of humerus
Action: adducts, flexes
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Term
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Definition
Origin: ribs 3-5
Insertion: Coracoid process of scapula
Action: scapular protraction |
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Term
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Definition
Origin: Xiphoid process of sternum
Insertion: Humerus
Action: Moves humerus caudal and medial |
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Term
| Serratus anterior (humans) / Serratus ventralis (cats) |
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Definition
Origin: Lateral aspects of ribs 1-8
Insertion:Vertebral border of scapula
Action:Abduction of arm; lateral rotation of scapula; scapular protraction; depression of scapula |
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Term
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Definition
Origin:Subscapular fossa
Insertion:Lesser tubercle of humerus
Action: Medial rotation of humerus |
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Term
| Triceps brachii (3 heads in cats, corresponding to 3 heads in humans) |
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Definition
Origin: Long head: infraglenoid tubercle of scapula Lateral head: posterior shaft of humerus Medial head: posterior shaft of humerus
Insertion:Via common tendon onto olecranon process of ulna
Action:Extension of elbow |
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Term
| Biceps brachii (only 1 head in cats, corresponding to long head in humans) |
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Definition
Origin: Long head: supraglenoid tubercle and the lip of glenoid cavity
Insertion: Radial tuberosity
Action: Flexion of elbow; supination of forearm |
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Term
| Rectus abdominis (will accept abdominus) |
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Definition
Origin:Pubic crest, pubic symphysis
Insertion:Cartilage of ribs 5-7, xiphoid process
Action:Flexes and rotates vertebral column |
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Term
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Definition
Origin:Outer surface of ribs 5-12
Insertion:Iliac crest, linea alba, pubic crest
Action:Flexes vertebral column; trunk rotation; lateral flexion; compresses abdomen |
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Term
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Definition
Origin:Iliac crest, lumbar fascia, inguinal ligament
Insertion:Cartilage of ribs 9-12, linea alba, pubic crest
Action:Flexes vertebral column; trunk rotation; lateral flexion; compresses abdomen |
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Term
| Transverse abdominis (will accept abdominus) (will accept Transversus) |
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Definition
Origin:Iliac crest, cartilage of ribs 6-12, inguinal ligament, lumbar fascia
Insertion: Pubic crest, linea alba
Action:Compresses abdomen |
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Term
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Definition
Origin:Anterior superior iliac spine
Insertion:Medial surface of body of tibia
Action:Flexes leg; flexes, abducts and laterally rotates thigh |
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Term
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Definition
Origin:Iliac crest, anterior superior iliac spine
Insertion:Iliotibial tract
Action:Flexes, abducts, medially rotates thigh |
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Term
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Definition
Origin:Greater trochanter, intertrochanteric line, linea aspera of femur
Insertion: Tibial tuberosity, patella
Action:Extension of knee |
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Term
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Definition
Origin:Anterior inferior iliac spine, superior margin of acetabulum
Insertion:Tibial tuberosity, patella
Action:Extension of knee; flexion of thigh |
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Term
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Definition
Origin: Linea aspera, intertrochanteric line, medial supracondylar line of femur
Insertion:Tibial tuberosity, patella
Action:Extension of knee |
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Term
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Definition
Origin:Body and inferior ramus of pubis
Insertion:Medial surface of tibia just inferior to medial condyle
Action:Adducts thigh; flexes and medially rotates leg |
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Term
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Definition
Origin:Pubis near pubic symphysis
Insertion:Linea aspera of femur
Action:Adducts, flexes, medially rotates thigh |
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Term
| Adductor magnus, brevis, longus (humans) / Adductor Femoris (cats) |
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Definition
Origin:Ischial and pubic rami and ischial tuberosity
Insertion:Linea aspera of femur
Action:Adducts, flexes, medially rotates thigh |
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Term
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Definition
Origin: Ischial tuberosity
Insertion: Medial condyle of tibia, lateral condyle of femur
Action: Extends thigh; flexes and medially rotates leg |
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Term
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Definition
Origin: Ischial tuberosity
Insertion: Medial aspect of upper tibial shaft
Action: Extends thigh; flexes and medially rotates leg |
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Term
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Definition
origin: Skull and vertebra from lambdoid crest to axis
Insertion: Clavicle
Action: Elevates scapula |
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Term
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Definition
origin:Spines of cervical vertebrae
insertion: Spine of scapula
Action: retracts scapula |
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Term
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Definition
Origin:Spines of thoracic vertebrae
Insertion: spine of scapula
Action: Depresses scapula |
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Term
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Definition
Origin: Clavicle
Insertion: Fascia of forearm
Action: Flexes and medially rotates arm |
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Term
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Definition
Origin: Acromion of scapula
Insertion: Outer surface of spinodeltoid
Action: Abducts humerus |
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Term
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Definition
Origin: spine of scapula
Insertion: Deltoid ridge of humerus
Action: Flexes and laterally rotates arm |
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Term
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Definition
Origin:Spines of T6-12, all lumbar vertebrae, ribs 10-12, iliac crest, thoracolumbar fascia
Insertion: Intertubercular sulcus of humerus
Action:Adducts, extends, medially rotates humerus; depresses scapula |
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Term
| Levator scapulae ventralis (levator scapulae in humans) |
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Definition
Origin: Transverse process of cervical vertebrae 1-4
Insertion: Medial border of scapula superior to spine
Action: Elevates and medially rotates scapula |
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Term
| Rhomboid major Rhomboid minor (2 muscles in humans) Rhomboideus (1 muscle in cats) |
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Definition
Origin: Upper thoracic vertebrae
Insertion: Medial border of scapula
Action: Retracts scapula |
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Term
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Definition
Origin:Supraspinous fossa of scapula
Insertion:Greater tubercle of humerus
Action:Abducts humerus |
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Term
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Definition
| Origin:Infraspinous fossa of scapula Insertion:Greater tubercle of humerus Action:Laterally rotates humerus |
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Term
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Definition
Origin:Upper lateral surface of ilium
Insertion:Greater trochanter of femur
Action:Abducts and medially rotates thigh |
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Term
| Gluteus maximus (relatively large in humans) |
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Definition
Origin:Iliac crest, sacrum, coccyx
Insertion:Gluteal tuberosity of femur, iliotibial tract
Action:Extension, abduction and lateral rotation of thigh |
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Term
| Caudofemoralis (absent in humans) |
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Definition
Origin:Caudal vertebrae
Insertion:Patella
Action:Abducts thigh; flexes vertebral column |
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Term
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Definition
Origin:Short head: linea aspera Long head: Ischial tuberosity
Insertion:Head of fibula, lateral condyle of tibia
Action:Flexes knee; laterally rotates leg; extends thigh |
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Term
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Definition
Origin:Medial and lateral condyles of femur
Insertion:Calcaneus via calcaneal tendon
Action:Flexes knee; plantar flexes foot |
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Term
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Definition
Origin:Proximal portion of tibia and fibula, interosseous membrane
Insertion:Calcaneus via calcaneal tendon
Action: Plantar flexes foot |
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Term
| Calcaneal (Achilles) Tendon |
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Definition
Origin: Gastrocnemius
Insertion:Calcaneus
Action: Attaches gastrocnemius to calcaneal bone |
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