Front

What is the primary function of the biceps brachii?

Back

The biceps brachii primarily functions to flex the elbow and supinate the forearm.

Front

Where is the gastrocnemius muscle located and what is its primary action?

Back

The gastrocnemius muscle is located in the calf, attached to the femur and calcaneus, and its primary action is plantar flexion of the foot.

Front

What is the role of the transverse abdominus in the human body?

Back

The transverse abdominus stabilizes the pelvis and lower back prior to movement.

Front

What muscles make up the quadriceps group?

Back

The quadriceps group consists of four muscles: rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius.

Front

What is unique about the biceps brachii in terms of its structure?

Back

The biceps brachii is a two-headed muscle, meaning it has two points of origin.

Front

What is the anatomical position of the biceps brachii?

Back

The biceps brachii is located on the anterior (front) side of the upper arm.

Front

What is the primary action of the quadriceps during physical activity?

Back

The primary action of the quadriceps is to extend the knee.

Front

How does the gastrocnemius contribute to walking and running?

Back

The gastrocnemius contributes to walking and running by allowing for plantar flexion, which helps propel the body forward.

Front

What movements are facilitated by the contraction of the biceps brachii?

Back

Contraction of the biceps brachii facilitates elbow flexion and forearm supination.

Front

What is the significance of the transverse abdominus in core stability?

Back

The transverse abdominus is crucial for core stability as it helps maintain intra-abdominal pressure and supports the spine.