Questions: List two sport skills that involve hip joint movements. List the primary joint movement that occur in the lower body. In which plane are these movements predominantly occurring? What axis of rotation is primarily involved? Divide the movement in phases (start to finish) and address all these points in each phase. List two resistance exercises that involve hip joint movements. List the primary joint movements that occur in the lower body. In which plane are these movements predominantly occurring? What axis of rotation is primarily involved? Divide the movement in phases (start to finish) and address all these points in each phase.

List two sport skills that involve hip joint movements. List the primary joint movement that occur in the lower body. In which plane are these movements predominantly occurring? What axis of rotation is primarily involved? Divide the movement in phases (start to finish) and address all these points in each phase.

List two resistance exercises that involve hip joint movements. List the primary joint movements that occur in the lower body. In which plane are these movements predominantly occurring? What axis of rotation is primarily involved? Divide the movement in phases (start to finish) and address all these points in each phase.

Transcript text: List two sport skills that involve hip joint movements. List the primary joint movement that occur in the lower body. In which plane are these movements predominantly occurring? What axis of rotation is primarily involved? Divide the movement in phases (start to finish) and address all these points in each phase. List two resistance exercises that involve hip joint movements. List the primary joint movements that occur in the lower body. In which plane are these movements predominantly occurring? What axis of rotation is primarily involved? Divide the movement in phases (start to finish) and address all these points in each phase.

Solution

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Sport Skills Involving Hip Joint Movements

1. Sprinting

Primary Joint Movements in the Lower Body:
- Hip Flexion and Extension
- Knee Flexion and Extension
- Ankle Plantarflexion and Dorsiflexion
Plane of Movement:
- Sagittal Plane
Axis of Rotation:
- Mediolateral Axis

Phases:

Start Phase (Acceleration):
- Hip Flexion: The hip flexors contract to bring the thigh forward.
- Knee Flexion: The knee flexors contract to lift the foot off the ground.
- Ankle Dorsiflexion: The ankle dorsiflexors contract to lift the toes.
Mid-Phase (Stride):
- Hip Extension: The hip extensors contract to push the thigh backward.
- Knee Extension: The knee extensors contract to straighten the leg.
- Ankle Plantarflexion: The ankle plantarflexors contract to push off the ground.
End Phase (Deceleration):
- Hip Flexion: The hip flexors contract to slow down the leg.
- Knee Flexion: The knee flexors contract to absorb impact.
- Ankle Dorsiflexion: The ankle dorsiflexors contract to stabilize the foot.

2. Soccer Kick

Primary Joint Movements in the Lower Body:
- Hip Flexion and Extension
- Knee Flexion and Extension
- Ankle Plantarflexion and Dorsiflexion
Plane of Movement:
- Sagittal Plane
Axis of Rotation:
- Mediolateral Axis

Phases:

Start Phase (Wind-Up):
- Hip Extension: The hip extensors contract to bring the leg backward.
- Knee Flexion: The knee flexors contract to bend the knee.
- Ankle Dorsiflexion: The ankle dorsiflexors contract to lift the toes.
Mid-Phase (Swing):
- Hip Flexion: The hip flexors contract to bring the leg forward.
- Knee Extension: The knee extensors contract to straighten the leg.
- Ankle Plantarflexion: The ankle plantarflexors contract to point the toes.
End Phase (Follow-Through):
- Hip Flexion: The hip flexors contract to slow down the leg.
- Knee Flexion: The knee flexors contract to absorb impact.
- Ankle Dorsiflexion: The ankle dorsiflexors contract to stabilize the foot.

Resistance Exercises Involving Hip Joint Movements

1. Squat

Primary Joint Movements in the Lower Body:
- Hip Flexion and Extension
- Knee Flexion and Extension
- Ankle Dorsiflexion and Plantarflexion
Plane of Movement:
- Sagittal Plane
Axis of Rotation:
- Mediolateral Axis

Phases:

Start Phase (Descent):
- Hip Flexion: The hip flexors contract to lower the body.
- Knee Flexion: The knee flexors contract to bend the knees.
- Ankle Dorsiflexion: The ankle dorsiflexors contract to keep the toes lifted.
End Phase (Ascent):
- Hip Extension: The hip extensors contract to raise the body.
- Knee Extension: The knee extensors contract to straighten the knees.
- Ankle Plantarflexion: The ankle plantarflexors contract to stabilize the foot.

2. Deadlift

Primary Joint Movements in the Lower Body:
- Hip Flexion and Extension
- Knee Flexion and Extension
- Ankle Dorsiflexion and Plantarflexion
Plane of Movement:
- Sagittal Plane
Axis of Rotation:
- Mediolateral Axis

Phases:

Start Phase (Lift-Off):
- Hip Flexion: The hip flexors contract to lift the weight.
- Knee Flexion: The knee flexors contract to bend the knees.
- Ankle Dorsiflexion: The ankle dorsiflexors contract to stabilize the foot.
End Phase (Lock-Out):
- Hip Extension: The hip extensors contract to straighten the hips.
- Knee Extension: The knee extensors contract to straighten the knees.
- Ankle Plantarflexion: The ankle plantarflexors contract to stabilize the foot.

Summary

In both sport skills and resistance exercises, the primary joint movements in the lower body are hip flexion and extension, knee flexion and extension, and ankle dorsiflexion and plantarflexion. These movements predominantly occur in the sagittal plane and involve the mediolateral axis of rotation. Each movement can be divided into phases, with specific joint actions occurring in each phase.

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