Screws_Anderson Test Muscular System Flashcards
- Skeletal muscle must work in pairs because…
Muscle cells can only contract
Notability - 44 WKST - The Muscular System - Notes
- What does a flexor muscle do?
Decreases the angle of the joint
Notability - 44 WKST - The Muscular System - Notes
- Is the biceps brachii a flexor or an extensor?
Flexor
Notability - 39. CLF - Exterior Muscle of the Body
- What is the ribbon like connective tissue that connects muscle to bone?
Tendon
Notability- 44 WKST - The Muscular System - Notes
- The triceps brachii is an extensor or a flexor?
Extensor
Notability- 39. CLF - Exterior Muscle of the Body
- An extensor increases or decreases the angle of the joint?
An extensor increases the angle of the joint
Notability - 39. CLF - Exterior Muscle of the Body
- Which type of muscle reacts and tires quickly?
Skeletal System
Notability - 44. WKST - The Muscular System - Notes
- What type of movement does a hinge joint allow?
Inward and outward
Notability - 47. Lab - A look beneath the Skin - Questions - A Look Between The Skin
- What muscles allow you to nod?
Sternocleidomastoid and trapezius
Notability - 39. CLF - Exterior Muscle of the Body
- True or False: the latissimus dorsi is above the gluteus maximus
True
Notability - 39. CLF - Exterior Muscle of the Body
- Which muscle contracts so that you can bend your leg at the knee?
Hamstring
Notability - 39. CLF - Exterior Muscle of the Body
- What muscle raises the shoulders?
Trapezius
Notability- 39. CLF - Exterior Muscle of the Body
- Where is the external oblique located?
On either side of the rectus magnus
Notability - 39. CLF - Exterior Muscle of the Body
- True or False: the deltoid muscles helps us lift our feet off the ground.
False, helps us lift our arms away from our bodies
Notability- 39. CLF - Exterior Muscle of the Body
- What is the large muscle that is used to jump or climb up stairs?
Gluteus maximus
Notability- 39. CLF - Exterior Muscle of the Body
- Provides support for the abdomen and its many organs
Rectus abdominis
Notability- 39. CLF - Exterior Muscle of the Body
- A triangular muscle that moves the arm away from the center of the body
Deltoid
Notability- 39. CLF - Exterior Muscle of the Body
- Strap-like muscles that extend from the ribs to the pelvis.
Rectus abdominis
Notability- 39. CLF - Exterior Muscle of the Body
- What muscle is used in the forehead when frowning?
Frontalis
Notability- 46. CLF - Muscles of the Head
Essay - explain how muscles work as a pair to bend and straighten the arm at the elbow causing movement at the joint.
Flexion of a joint is a decrease in the joint angle from the body in anatomic position. When the elbow is bent when the form is flexed which means that the flexor is contracted or has pulled the bone of the forearm. Most election takes place in a forward direction. The exception to this is the leg where flexion of the leg results in the bending of the knee. Extension of the joint is when the joint is returned to anatomical position or increases the angle of the joint, which means extensor is contract. An Example of this is when tried the triceps brachii contracts to straighten the arm. The biceps brachii muscle in the upper arm contracts to bend the elbow. Muscles work in pairs so that at the same time, the biceps brachii muscle contracts to bend the joint and the triceps brachii returns to its original length. To straighten the arm or extend the joint, the triceps brachii contracts while the biceps brachii returns to its original length.
