A muscle pulls its insertion toward its origin, so its line of pull tells you its action. Learn attachments by region and say the action out loud from them.
Which muscle both flexes the elbow and supinates the forearm?
Question 2KN.D · Muscle attachments and actions
Which calf muscle plantarflexes the ankle and also crosses the knee, so it can assist knee flexion?
Question 3KN.D · Muscle attachments and actions
Which muscle is the most powerful extensor of the hip, used strongly when rising from a deep squat or climbing stairs?
Question 4KN.D · Muscle attachments and actions
A client has a tender spot at the superior angle of the scapula. Which muscle attaches there?
Question 5KN.D · Muscle attachments and actions
A client clenches the jaw and the therapist feels a muscle bulge over the angle of the mandible. Which muscle is this, and what is its action?
Question 6KN.D · Muscle attachments and actions
Which muscle runs from the anterior ribs to the coracoid process and can pull the scapula forward and down?
Question 7KN.D · Muscle attachments and actions
Which muscle runs between the iliac crest and the twelfth rib and can hike the hip on one side?
Question 8KN.D · Muscle attachments and actions
Which quadriceps muscle crosses the hip as well as the knee, so it both flexes the hip and extends the knee?
Question 9KN.D · Muscle attachments and actions
Which muscle runs from the anterior superior iliac spine across the front of the thigh to the medial tibia and helps place the leg in a cross-legged sitting position?
Question 10KN.D · Muscle attachments and actions
What is the superior attachment of the sternocleidomastoid?
Question 11KN.D · Muscle attachments and actions
When a client pushes against a wall, the medial border of one scapula lifts away from the rib cage. Weakness of which muscle is the classic cause?
Question 12KN.D · Muscle attachments and actions
Which rotator cuff muscle passes under the acromion and assists the deltoid in abducting the arm?
Question 13KN.D · Muscle attachments and actions
The tensor fasciae latae inserts into which structure?
Question 14KN.D · Muscle attachments and actions
Which muscle dorsiflexes the ankle and inverts the foot?
Question 15KN.D · Muscle attachments and actions
Which fibers of the trapezius depress the scapula?
Question 16KN.E · Joint structure and function
Which ligament mainly prevents the tibia from sliding forward on the femur?
Question 17KN.F · Range of motion
A client recovering from surgery lifts the arm as far as possible while the therapist helps complete the movement. What is this called?
Question 18KN.F · Range of motion
A therapist asks a client to raise the arm overhead as far as possible on her own, with no assistance. What is the therapist observing?
Question 19KN.E · Joint structure and function
Which joint is a ball-and-socket joint?
Question 20KN.F · Range of motion
When a client's elbow is passively extended fully, the movement stops abruptly and hard as the olecranon meets the humerus. What end feel is this?
Question 21KN.F · Range of motion
Full passive flexion of the knee stops as the calf presses against the back of the thigh. What normal end feel is this?
Question 22KN.E · Joint structure and function
The humeroulnar joint of the elbow is a hinge joint. Which movements does it allow?
Question 23KN.F · Range of motion
During range of motion assessment, a client's elbows extend well beyond straight. How should the therapist respond?
Question 24KN.E · Joint structure and function
What is the movement called when the sole of the foot turns inward toward the midline?
Question 25KN.E · Joint structure and function
What is the main function of a ligament?
Question 26KN.E · Joint structure and function
What role do the menisci of the knee play?
Question 27KN.E · Joint structure and function
Turning the head to say no happens mainly at the atlantoaxial joint. What type of joint is it?
Question 28KN.F · Range of motion
The client relaxes completely while the therapist moves the client's knee through its range. What is this called?
Question 29KN.F · Range of motion
When performing passive range of motion on a client's shoulder, what should the therapist do?
Question 30KN.F · Range of motion
How does a healthy joint's passive range of motion usually compare with its active range?
Question 31KN.F · Range of motion
During a resisted test the joint is held still while the client contracts against the therapist's hand. Which tissues does this mainly stress?
Question 32KN.E · Joint structure and function
In which anatomical plane do flexion and extension of the elbow and knee occur?
Question 33KN.F · Range of motion
During active range of motion, a client raises the straight arm forward and up toward the ceiling. What is this movement at the shoulder?
Question 34KN.E · Joint structure and function
The sutures between the bones of the adult skull are classified as which kind of joint?
Question 35KN.E · Joint structure and function
Which feature is found in every synovial joint?
Question 36KN.A · Skeletal muscle components
What is an aponeurosis?
Question 37KN.B · Muscle contractions
During muscle contraction, what does calcium do inside the fiber?
Question 38KN.A · Skeletal muscle components
A muscle is stretched and then released, and it returns to its resting length. Which property of muscle tissue does this show?
Question 39KN.C · Proprioceptors
Where are Golgi tendon organs located, and what do they monitor?
Question 40KN.B · Muscle contractions
A client pushes a hand against a wall without moving the arm. What type of contraction is occurring?
Question 41KN.C · Proprioceptors
Proprioceptors in joint capsules and ligaments mainly signal what information?
Question 42KN.C · Proprioceptors
Which proprioceptor detects changes in muscle length and the speed of that change?
Question 43KN.A · Skeletal muscle components
What is the smallest functional contractile unit of a skeletal muscle fiber?
Question 44KN.B · Muscle contractions
According to the sliding filament model, what happens to a sarcomere during contraction?
Question 45KN.A · Skeletal muscle components
Postural muscles that work steadily for long periods contain a high proportion of which fiber type?